Article(id=1256541014546891260, tenantId=1146029695717560320, journalId=1256314692575182859, issueId=1256541004312731999, articleNumber=null, orderNo=null, doi=10.16035/j.issn.1001-7283.2026.01.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1729958400000, receivedDateStr=2024-10-27, revisedDate=1735574400000, revisedDateStr=2024-12-31, acceptedDate=null, acceptedDateStr=null, onlineDate=1777512323270, onlineDateStr=2026-04-30, pubDate=1771084800000, pubDateStr=2026-02-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1777512323270, onlineIssueDateStr=2026-04-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1777512323270, creator=13701087609, updateTime=1777512323270, updator=13701087609, issue=Issue{id=1256541004312731999, tenantId=1146029695717560320, journalId=1256314692575182859, year='2026', volume='42', issue='1', pageStart='1', pageEnd='270', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1777512320831, creator=13701087609, updateTime=1777512485032, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1256541693206213337, tenantId=1146029695717560320, journalId=1256314692575182859, issueId=1256541004312731999, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1256541693210407642, tenantId=1146029695717560320, journalId=1256314692575182859, issueId=1256541004312731999, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=94, endPage=103, ext={EN=ArticleExt(id=1256541015192814094, articleId=1256541014546891260, tenantId=1146029695717560320, journalId=1256314692575182859, language=EN, title=Comprehensive Evaluation of Reciprocal Cross Hybrids between 57NG208 and Nanjian Chewing Cane Based on Agronomic Traits, columnId=null, journalTitle=Crops, columnName=null, runingTitle=null, highlight=null, articleAbstract=

A total of 24 progenies from Saccharum robustum L. and Nanjian chewing cane through reciprocal crosses were used. Correlation analysis, principal component analysis, cluster analysis, and comprehensive evaluation associated with seven important agronomic traits were performed. The results showed that there were differences in agronomic traits among different germplasm materials in the same planting period experiment, and there were differences in agronomic traits among different planting period experiment in the same germplasm materials. The variation coefficient of agronomic traits ranged from 11.17% to 43.37%. The variation of sugar yield and sugarcane stalk yield was the largest, which was 43.37% and 42.20%, respectively, the variation of plant height was small. The correlation analysis showed that sugarcane stalk yield and sugar yield were significantly positively correlated with single stalk weight and effective stalk number, respectively, and sugarcane stalk yield was significantly positively correlated with sugar yield. The yield-sugar factor, stalk diameter-sugar factor and stalk diameter-quality factor were extracted via principal component analysis, and the cumulative contribution rate was 81.39%. The results of cluster analysis showed that the 24 germplasm materials were divided into three groups at the Euclidean distance of 6.00, which were basically consistent with the results of principal component scores. Among them, the seven agronomic indexes of group III were excellent, with high yield and high sugar. Yunrui 12-38-27, Yunrui 12-38-18, Yunrui 12-9-45, Yunrui 12-9-9 and Yunrui 12-38-29 ranked top five based on their comprehensive evaluation D values.

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以24份大茎野生种与南涧果蔗的正反交后代为材料,对其7个重要农艺性状进行相关性、主成分和聚类分析及综合评价。结果表明,同一植期试验中不同种质材料间各农艺性状存在差异,同一种质材料在不同植期的试验中各农艺性状指标也存在差异。不同农艺性状的变异系数为11.17%~43.37%,其中糖产量和蔗茎产量的变异最大,分别为43.37%和42.20%,株高的变异较小。相关分析表明,蔗茎产量和糖产量均与单茎重、有效茎数呈极显著正相关,蔗茎产量与糖产量呈极显著正相关;通过主成分分析提取了产量糖分因子、茎径糖分因子和茎径质量因子,累计贡献率达81.39%;聚类分析结果显示,在欧式距离6.00处将24份种质材料分为3个类群,其与主成分得分结果基本一致,其中类群Ⅲ的7个农艺指标表现优异,具有高产高糖特性,云瑞12-38-27、云瑞12-38-18、云瑞12-9-45、云瑞12-9-9和云瑞12-38-29等5份材料的综合评价D值排前5位。

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安汝东,研究方向为甘蔗遗传育种,E-mail:
刘家勇为共同通信作者,研究方向为甘蔗遗传育种与种质资源利用,E-mail:
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俞华先,主要从事甘蔗遗传育种研究,E-mail:

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label=Fig.1, caption=Cluster diagram of 24 germplasms and their reciprocal offsprings, figureFileSmall=1lWfc/ADhbpnq+Dg1jWXdQ==, figureFileBig=8CBD+FewrOkeAq6sTjC3HQ==, tableContent=null), ArticleFig(id=1256541077360787576, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=CN, label=图1, caption=24份种质正反交后代种质材料聚类图, figureFileSmall=1lWfc/ADhbpnq+Dg1jWXdQ==, figureFileBig=8CBD+FewrOkeAq6sTjC3HQ==, tableContent=null), ArticleFig(id=1256541079248224399, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 1, caption=

Parental information of germplasm materials

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编号Number 材料名称Material name 母本Female 父本Male
YR12-9-45 云瑞12-9-45 57NG208 南涧果蔗
YR12-9-4 云瑞12-9-4 57NG208 南涧果蔗
YR12-9-5 云瑞12-9-5 57NG208 南涧果蔗
YR12-9-6 云瑞12-9-6 57NG208 南涧果蔗
YR12-9-7 云瑞12-9-7 57NG208 南涧果蔗
YR12-9-8 云瑞12-9-8 57NG208 南涧果蔗
YR12-9-9 云瑞12-9-9 57NG208 南涧果蔗
YR12-9-10 云瑞12-9-10 57NG208 南涧果蔗
YR12-9-1 云瑞12-9-1 57NG208 南涧果蔗
YR12-38-29 云瑞12-38-29 南涧果蔗 57NG208
YR12-38-30 云瑞12-38-30 南涧果蔗 57NG208
YR12-38-31 云瑞12-38-31 南涧果蔗 57NG208
YR12-38-32 云瑞12-38-32 南涧果蔗 57NG208
YR12-38-34 云瑞12-38-34 南涧果蔗 57NG208
YR12-38-48 云瑞12-38-48 南涧果蔗 57NG208
YR12-38-47 云瑞12-38-47 南涧果蔗 57NG208
YR12-38-46 云瑞12-38-46 南涧果蔗 57NG208
YR12-38-45 云瑞12-38-45 南涧果蔗 57NG208
YR12-38-43 云瑞12-38-43 南涧果蔗 57NG208
YR12-38-42 云瑞12-38-42 南涧果蔗 57NG208
YR12-38-40 云瑞12-38-40 南涧果蔗 57NG208
YR12-38-27 云瑞12-38-27 南涧果蔗 57NG208
YR12-38-19 云瑞12-38-19 南涧果蔗 57NG208
YR12-38-18 云瑞12-38-18 南涧果蔗 57NG208
), ArticleFig(id=1256541079579574423, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=CN, label=表1, caption=

种质材料亲本信息

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编号Number 材料名称Material name 母本Female 父本Male
YR12-9-45 云瑞12-9-45 57NG208 南涧果蔗
YR12-9-4 云瑞12-9-4 57NG208 南涧果蔗
YR12-9-5 云瑞12-9-5 57NG208 南涧果蔗
YR12-9-6 云瑞12-9-6 57NG208 南涧果蔗
YR12-9-7 云瑞12-9-7 57NG208 南涧果蔗
YR12-9-8 云瑞12-9-8 57NG208 南涧果蔗
YR12-9-9 云瑞12-9-9 57NG208 南涧果蔗
YR12-9-10 云瑞12-9-10 57NG208 南涧果蔗
YR12-9-1 云瑞12-9-1 57NG208 南涧果蔗
YR12-38-29 云瑞12-38-29 南涧果蔗 57NG208
YR12-38-30 云瑞12-38-30 南涧果蔗 57NG208
YR12-38-31 云瑞12-38-31 南涧果蔗 57NG208
YR12-38-32 云瑞12-38-32 南涧果蔗 57NG208
YR12-38-34 云瑞12-38-34 南涧果蔗 57NG208
YR12-38-48 云瑞12-38-48 南涧果蔗 57NG208
YR12-38-47 云瑞12-38-47 南涧果蔗 57NG208
YR12-38-46 云瑞12-38-46 南涧果蔗 57NG208
YR12-38-45 云瑞12-38-45 南涧果蔗 57NG208
YR12-38-43 云瑞12-38-43 南涧果蔗 57NG208
YR12-38-42 云瑞12-38-42 南涧果蔗 57NG208
YR12-38-40 云瑞12-38-40 南涧果蔗 57NG208
YR12-38-27 云瑞12-38-27 南涧果蔗 57NG208
YR12-38-19 云瑞12-38-19 南涧果蔗 57NG208
YR12-38-18 云瑞12-38-18 南涧果蔗 57NG208
), ArticleFig(id=1256541080405852322, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 2, caption=

Performance of agronomic traits of 24 germplasm materials in the first year

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编号
Number
株高
Plant
height
(cm)
茎径
Stalk
diameter
(cm)
锤度
Brix
(%)
单茎重
Single stalk
weight (kg)
有效茎数
(×103条/hm2
Effective stalk
number
(×103 stalk/hm2)
蔗茎产量
Sugarcane
stalk yield
(t/hm2)
糖产量
Sugar
yield
(t/hm2)
YR12-9-45 372.0abcAB 2.4abcdefABCDE 18.0cdefghCDEFG 1.7abcAB 82.0defgDEFGH 138.0bcdefABCDE 17.1cdefgBCDEFGH
YR12-9-4 285.0fghiBCDE 2.0efghijCDEF 14.3lI 0.9defBC 60.2hijHIJK 51.1hiEF 4.5hiHI
YR12-9-5 298.0defghABCDE 2.3abcdefgABCDE 24.5aA 1.3bcdefABC 77.3efghDEFGHI 98.8efghiCDEF 18.9bcdeBCDE
YR12-9-6 307.0bcdefghABCDE 2.7abcABC 17.8cdefghCDEFGH 1.7abAB 44.6jJK 76.0efghiEF 9.4efghiDEFGHI
YR12-9-7 295.0efghABCDE 1.6ijF 15.7hijklFGHI 0.6fC 92.3deCDEFG 53.2hiEF 5.5hiFGHI
YR12-9-8 290.0efghiABCDE 2.4abcdeABCDE 18.7bcdefgCDEF 1.3bcdeABC 95.5cdeCDEF 130.1cdefgABCDE 17.3cdefBCDEFGH
YR12-9-9 383.0aA 2.2bcdefghABCDEF 18.9bcdefgCDE 1.4abcdABC 145.5aA 205.4abAB 27.8abAB
YR12-9-10 255.0hiDE 2.2bcdefghABCDEF 19.2bcdefCDE 1.0cdefBC 72.7fghiEFGHI 69.5fghiEF 9.5efghiDEFGHI
YR12-9-1 255.0hiDE 2.5abcdeABCDE 19.5bcdeCDE 1.2bcdefABC 55.9ijIJK 66.3fghiEF 9.4efghiDEFGHI
YR12-38-29 338.0abcdefgABCD 2.9aA 17.3efghiDEFGHI 2.2aA 87.60defgCDEFG 190.1abcABC 22.7abcABC
YR12-38-30 359.0abcdeABC 1.8ghijDEF 19.0bcdefgCDE 1.0cdefBC 95.5cdeCDEF 88.4efghiDEF 11.8defghiCDEFGHI
YR12-38-31 368.0abcdAB 2.1cdefghiBCDEF 18.1bcdefgCDEFG 1.3bcdefABC 86.4defgDEFG 109.2defghBCDEF 13.8cdefghCDEFGHI
YR12-38-32 378.0abAB 2.0defghijBCDEF 20.4bBC 1.2bcdefABC 97.4cdCDE 122.5cdefghABCDEF 18.0cdefBCDEF
YR12-38-34 296.0efghABCDE 1.9fghijDEF 14.9jklHI 0.8defBC 68.7ghiGHIJ 51.7hi 4.8hiGHI
YR12-38-48 291.0efghiABCDE 2.2bcdefghABCDEF 22.8aAB 1.1bcdefBC 111.8bcBC 121.1EF 21.0bcdABCD
YR12-38-47 301.0cdefghABCDE 2.4abcdefABCDE 17.1fghijDEFGHI 1.5abcdABC 43.3jK 65.6fghiEF 6.4hiEFGHI
YR12-38-46 358.0abcdeABC 2.3abcdefgABCDE 20.0bcBCD 1.6abcAB 85.7defgDEFG 150.4abcdeABCDE 21.6bcABCD
YR12-38-45 255.0hiDE 1.7hijEF 16.7ghijkEFGHI 0.6efC 100.0cdCD 57.9ghiEF 6.4hiEFGHI
YR12-38-43 325.0abcdefghABCD 1.5jF 17.6defghiCDEFGH 0.6efC 41.7jK 24.4iF 3.0iI
YR12-38-42 310.0bcdefghABCDE 2.1cdefghiBCDEF 14.9jklHI 1.1bcdefBC 86.8defgCDEFG 92.4efghiCDEF 8.7fghiDEFGHI
YR12-38-40 222.0iE 2.8aAB 19.9bcdBCD 1.3bcdefABC 71.2ghiFGHI 93.9efghiCDEF 13.2cdefghCDEFGHI
YR12-38-27 343.0abcdefABCD 2.5abcdeABCD 19.9bcdBCD 1.7abAB 126.6abAB 219.9aA 31.9aA
YR12-38-19 271.0ghiCDE 2.1defghijBCDEF 14.4klI 0.9cdefBC 91.5defCDEFG 85.1efghiDEF 7.5ghiEFGHI
YR12-38-18 285.0fghiBCDE 2.7abAB 15.4ijklGHI 1.7abAB 100.1cdCD 177.0abcdABCD 17.8cdefBCDEFG
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24份种质材料第1年新植农艺性状表现

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编号
Number
株高
Plant
height
(cm)
茎径
Stalk
diameter
(cm)
锤度
Brix
(%)
单茎重
Single stalk
weight (kg)
有效茎数
(×103条/hm2
Effective stalk
number
(×103 stalk/hm2)
蔗茎产量
Sugarcane
stalk yield
(t/hm2)
糖产量
Sugar
yield
(t/hm2)
YR12-9-45 372.0abcAB 2.4abcdefABCDE 18.0cdefghCDEFG 1.7abcAB 82.0defgDEFGH 138.0bcdefABCDE 17.1cdefgBCDEFGH
YR12-9-4 285.0fghiBCDE 2.0efghijCDEF 14.3lI 0.9defBC 60.2hijHIJK 51.1hiEF 4.5hiHI
YR12-9-5 298.0defghABCDE 2.3abcdefgABCDE 24.5aA 1.3bcdefABC 77.3efghDEFGHI 98.8efghiCDEF 18.9bcdeBCDE
YR12-9-6 307.0bcdefghABCDE 2.7abcABC 17.8cdefghCDEFGH 1.7abAB 44.6jJK 76.0efghiEF 9.4efghiDEFGHI
YR12-9-7 295.0efghABCDE 1.6ijF 15.7hijklFGHI 0.6fC 92.3deCDEFG 53.2hiEF 5.5hiFGHI
YR12-9-8 290.0efghiABCDE 2.4abcdeABCDE 18.7bcdefgCDEF 1.3bcdeABC 95.5cdeCDEF 130.1cdefgABCDE 17.3cdefBCDEFGH
YR12-9-9 383.0aA 2.2bcdefghABCDEF 18.9bcdefgCDE 1.4abcdABC 145.5aA 205.4abAB 27.8abAB
YR12-9-10 255.0hiDE 2.2bcdefghABCDEF 19.2bcdefCDE 1.0cdefBC 72.7fghiEFGHI 69.5fghiEF 9.5efghiDEFGHI
YR12-9-1 255.0hiDE 2.5abcdeABCDE 19.5bcdeCDE 1.2bcdefABC 55.9ijIJK 66.3fghiEF 9.4efghiDEFGHI
YR12-38-29 338.0abcdefgABCD 2.9aA 17.3efghiDEFGHI 2.2aA 87.60defgCDEFG 190.1abcABC 22.7abcABC
YR12-38-30 359.0abcdeABC 1.8ghijDEF 19.0bcdefgCDE 1.0cdefBC 95.5cdeCDEF 88.4efghiDEF 11.8defghiCDEFGHI
YR12-38-31 368.0abcdAB 2.1cdefghiBCDEF 18.1bcdefgCDEFG 1.3bcdefABC 86.4defgDEFG 109.2defghBCDEF 13.8cdefghCDEFGHI
YR12-38-32 378.0abAB 2.0defghijBCDEF 20.4bBC 1.2bcdefABC 97.4cdCDE 122.5cdefghABCDEF 18.0cdefBCDEF
YR12-38-34 296.0efghABCDE 1.9fghijDEF 14.9jklHI 0.8defBC 68.7ghiGHIJ 51.7hi 4.8hiGHI
YR12-38-48 291.0efghiABCDE 2.2bcdefghABCDEF 22.8aAB 1.1bcdefBC 111.8bcBC 121.1EF 21.0bcdABCD
YR12-38-47 301.0cdefghABCDE 2.4abcdefABCDE 17.1fghijDEFGHI 1.5abcdABC 43.3jK 65.6fghiEF 6.4hiEFGHI
YR12-38-46 358.0abcdeABC 2.3abcdefgABCDE 20.0bcBCD 1.6abcAB 85.7defgDEFG 150.4abcdeABCDE 21.6bcABCD
YR12-38-45 255.0hiDE 1.7hijEF 16.7ghijkEFGHI 0.6efC 100.0cdCD 57.9ghiEF 6.4hiEFGHI
YR12-38-43 325.0abcdefghABCD 1.5jF 17.6defghiCDEFGH 0.6efC 41.7jK 24.4iF 3.0iI
YR12-38-42 310.0bcdefghABCDE 2.1cdefghiBCDEF 14.9jklHI 1.1bcdefBC 86.8defgCDEFG 92.4efghiCDEF 8.7fghiDEFGHI
YR12-38-40 222.0iE 2.8aAB 19.9bcdBCD 1.3bcdefABC 71.2ghiFGHI 93.9efghiCDEF 13.2cdefghCDEFGHI
YR12-38-27 343.0abcdefABCD 2.5abcdeABCD 19.9bcdBCD 1.7abAB 126.6abAB 219.9aA 31.9aA
YR12-38-19 271.0ghiCDE 2.1defghijBCDEF 14.4klI 0.9cdefBC 91.5defCDEFG 85.1efghiDEF 7.5ghiEFGHI
YR12-38-18 285.0fghiBCDE 2.7abAB 15.4ijklGHI 1.7abAB 100.1cdCD 177.0abcdABCD 17.8cdefBCDEFG
), ArticleFig(id=1256541084918923455, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 3, caption=

Performance of agronomic traits of 24 germplasm materials in the second year

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编号
Number
株高
Plant height
(cm)
茎径
Stalk diameter
(cm)
锤度
Brix (%)
单茎重
Single stalk
weight
(kg)
有效茎数
(×103条/hm2
Effective stalk
number
(×103 stalk/hm2)
蔗茎产量
Sugarcane
stalk yield
(t/hm2)
糖产量
Sugar yield
(t/hm2)
YR12-9-45 368.0abAB 2.5cdefgBCDE 18.6defghCDEFGH 1.8bcBC 55.6fghiEFG 103.0bcdeCDEFG 13.6bcdeCDEF
YR12-9-4 342.0abcdeABCD 1.6klGH 14.9lJ 0.7hijFG 71.3defghCDEFG 49.6ghiFG 4.6gG
YR12-9-5 272.0ghDEFG 2.7bcBC 24.3aA 1.6bcdeBCD 68.9efghCDEFG 105.4bcdeCDEFG 20.0abABC
YR12-9-6 315.0bcdefgABCDEF 2.6bcdeBCD 16.0jklIJ 1.7bcdBCD 71.8defgCDEFG 127.7bBCD 13.6bcdeCDEF
YR12-9-7 302.0cdefgBCDEF 2.3cdefghCDEF 19.6bcdefCDEF 1.3cdefghCDEFG 70.9defghCDEFG 87.3bcdefghiCDEFG 12.4cdefCDEFG
YR12-9-8 315.0bcdefgABCDEF 1.6jklGH 19.8bcdeCDE 0.6ijG 18.8cdeCDE 52.2fghiEFG 7.5efgEFG
YR12-9-9 345.0abcdeABCD 1.7ijklFGH 18.4defghCDEFGHI 0.8hijEFG 168.2aA 132.2bBC 17.2bcABCD
YR12-9-10 295.0defghBCDEF 3.1abAB 18.8cdefgCDEFGH 2.1bAB 56.5fghiEFG 117.8bcCDE 15.8bcdBCDE
YR12-9-1 264.0ghiEFG 2.2efghCDEFG 19.2bcdefCDEFG 1.0efghijCDEFG 44.9iG 44.9hiG 6.2fgFG
YR12-38-29 349.0abcdABC 2.1fghiCDEFGH 17.9fghiEFGHI 1.2cdefghiCDEFG 76.1cdefCDEF 91.9bcdefghCDEFG 11.4cdefCDEFG
YR12-38-30 352.0abcABC 2.0ghijkDEFGH 18.2defghiDEFGHI 1.2defghijCDEFG 82.7cdeCDE 98.5bcdefgCDEFG 12.5cdefCDEFG
YR12-38-31 314.0bcdefgABCDEF 2.3cdefghCDEF 19.1bcdefCDEFG 1.3cdefghCDEFG 81.8cdeCDE 100.4bcdefCDEFG 13.7bcdeCDEF
YR12-38-32 349.0abcdABC 2.1fghiCDEFGH 19.8bcdeCDE 1.2cdefghiCDEFG 91.5cdBCD 112.3bcdCDEF 16.11bcdBCDE
YR12-38-34 300.0cdefgBCDEF 2.5cdefBCD 16.8hijkGHIJ 1.5cdefgBCDEF 50.6ghiFG 73.5cdefghiCDEFG 8.5efgDEFG
YR12-38-48 244.0hiFG 2.4cdefgCDE 20.5bcBCD 1.1efghijCDEFG 94.9bcBC 106.4bcdeCDEFG 15.9bcdBCDE
YR12-38-47 280.0fghCDEFG 2.1fghijCDEFGH 16.5ijklHIJ 1.0fghijDEFG 56.6fghiEFG 52.5fghiEFG 5.8fgFG
YR12-38-46 299.0cdefghBCDEF 2.3cdefghCDEF 19.4bcdefCDEF 1.2cdefghiCDEFG 81.3bcBC 99.5bcdefgCDEFG 13.8bcdeCDEF
YR12-38-45 293.0efghCDEF 2.2defghCDEFG 20.0bcdCDE 1.2defghiCDEFG 82.8cdeCDE 95.2bcdeCDEFG 14.0bcdeCDEF
YR12-38-43 304.0cdefgBCDEF 1.5lH 20.8bBC 0.6jG 64.0efghiDEFG 40.4iG 6.2fgFG
YR12-38-42 293.0efghCDEF 2.1fghiCDEFGH 15.2klJ 1.0efghijCDEFG 77.9cdefCDEF 82.1bcdefghiCDEFG 7.9efgEFG
YR12-38-40 210.0iG 2.7bcdBC 22.7aAB 1.2defghijCDEFG 48.9hiFG 56.5efghiEFG 9.7defgDEFG
YR12-38-27 380.0aA 2.3cdefghCDEF 18.4defghCDEFGHI 1.6bcdefBCDE 117.4bB 187.7aAB 24.4aAB
YR12-38-19 331.0abcdefABCDE 1.9hijklEFGH 18.1efghiDEFGHI 1.0ghijDEFG 68.6efghCDEFG 63.1defghiDEFG 8.1efgEFG
YR12-38-18 304.0cdefgBCDEF 3.4aA 17.2ghijFGHIJ 2.8aA 81.2cdeCDE 218.6aA 25.8aA
), ArticleFig(id=1256541085824893134, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=CN, label=表3, caption=

24份种质材料第2年新植农艺性状指标表现

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
Number
株高
Plant height
(cm)
茎径
Stalk diameter
(cm)
锤度
Brix (%)
单茎重
Single stalk
weight
(kg)
有效茎数
(×103条/hm2
Effective stalk
number
(×103 stalk/hm2)
蔗茎产量
Sugarcane
stalk yield
(t/hm2)
糖产量
Sugar yield
(t/hm2)
YR12-9-45 368.0abAB 2.5cdefgBCDE 18.6defghCDEFGH 1.8bcBC 55.6fghiEFG 103.0bcdeCDEFG 13.6bcdeCDEF
YR12-9-4 342.0abcdeABCD 1.6klGH 14.9lJ 0.7hijFG 71.3defghCDEFG 49.6ghiFG 4.6gG
YR12-9-5 272.0ghDEFG 2.7bcBC 24.3aA 1.6bcdeBCD 68.9efghCDEFG 105.4bcdeCDEFG 20.0abABC
YR12-9-6 315.0bcdefgABCDEF 2.6bcdeBCD 16.0jklIJ 1.7bcdBCD 71.8defgCDEFG 127.7bBCD 13.6bcdeCDEF
YR12-9-7 302.0cdefgBCDEF 2.3cdefghCDEF 19.6bcdefCDEF 1.3cdefghCDEFG 70.9defghCDEFG 87.3bcdefghiCDEFG 12.4cdefCDEFG
YR12-9-8 315.0bcdefgABCDEF 1.6jklGH 19.8bcdeCDE 0.6ijG 18.8cdeCDE 52.2fghiEFG 7.5efgEFG
YR12-9-9 345.0abcdeABCD 1.7ijklFGH 18.4defghCDEFGHI 0.8hijEFG 168.2aA 132.2bBC 17.2bcABCD
YR12-9-10 295.0defghBCDEF 3.1abAB 18.8cdefgCDEFGH 2.1bAB 56.5fghiEFG 117.8bcCDE 15.8bcdBCDE
YR12-9-1 264.0ghiEFG 2.2efghCDEFG 19.2bcdefCDEFG 1.0efghijCDEFG 44.9iG 44.9hiG 6.2fgFG
YR12-38-29 349.0abcdABC 2.1fghiCDEFGH 17.9fghiEFGHI 1.2cdefghiCDEFG 76.1cdefCDEF 91.9bcdefghCDEFG 11.4cdefCDEFG
YR12-38-30 352.0abcABC 2.0ghijkDEFGH 18.2defghiDEFGHI 1.2defghijCDEFG 82.7cdeCDE 98.5bcdefgCDEFG 12.5cdefCDEFG
YR12-38-31 314.0bcdefgABCDEF 2.3cdefghCDEF 19.1bcdefCDEFG 1.3cdefghCDEFG 81.8cdeCDE 100.4bcdefCDEFG 13.7bcdeCDEF
YR12-38-32 349.0abcdABC 2.1fghiCDEFGH 19.8bcdeCDE 1.2cdefghiCDEFG 91.5cdBCD 112.3bcdCDEF 16.11bcdBCDE
YR12-38-34 300.0cdefgBCDEF 2.5cdefBCD 16.8hijkGHIJ 1.5cdefgBCDEF 50.6ghiFG 73.5cdefghiCDEFG 8.5efgDEFG
YR12-38-48 244.0hiFG 2.4cdefgCDE 20.5bcBCD 1.1efghijCDEFG 94.9bcBC 106.4bcdeCDEFG 15.9bcdBCDE
YR12-38-47 280.0fghCDEFG 2.1fghijCDEFGH 16.5ijklHIJ 1.0fghijDEFG 56.6fghiEFG 52.5fghiEFG 5.8fgFG
YR12-38-46 299.0cdefghBCDEF 2.3cdefghCDEF 19.4bcdefCDEF 1.2cdefghiCDEFG 81.3bcBC 99.5bcdefgCDEFG 13.8bcdeCDEF
YR12-38-45 293.0efghCDEF 2.2defghCDEFG 20.0bcdCDE 1.2defghiCDEFG 82.8cdeCDE 95.2bcdeCDEFG 14.0bcdeCDEF
YR12-38-43 304.0cdefgBCDEF 1.5lH 20.8bBC 0.6jG 64.0efghiDEFG 40.4iG 6.2fgFG
YR12-38-42 293.0efghCDEF 2.1fghiCDEFGH 15.2klJ 1.0efghijCDEFG 77.9cdefCDEF 82.1bcdefghiCDEFG 7.9efgEFG
YR12-38-40 210.0iG 2.7bcdBC 22.7aAB 1.2defghijCDEFG 48.9hiFG 56.5efghiEFG 9.7defgDEFG
YR12-38-27 380.0aA 2.3cdefghCDEF 18.4defghCDEFGHI 1.6bcdefBCDE 117.4bB 187.7aAB 24.4aAB
YR12-38-19 331.0abcdefABCDE 1.9hijklEFGH 18.1efghiDEFGHI 1.0ghijDEFG 68.6efghCDEFG 63.1defghiDEFG 8.1efgEFG
YR12-38-18 304.0cdefgBCDEF 3.4aA 17.2ghijFGHIJ 2.8aA 81.2cdeCDE 218.6aA 25.8aA
), ArticleFig(id=1256541087594889435, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 4, caption=

Performance of agronomic traits of 24 germplasm materials in ratooning

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
Number
株高
Plant height
(cm)
茎径
Stalk diameter
(cm)
锤度
Brix (%)
单茎重
Single stalk
weight
(kg)
有效茎数
(×103条/hm2
Effective stalk
number
(×103 stalk/hm2)
蔗茎产量
Sugarcane
stalk yield
(t/hm2)
糖产量
Sugar yield
(t/hm2)
YR12-9-45 380.0abcABC 2.5abcABC 18.9cdefCDEFG 1.9abABC 71.0efghCDEFGH 132.1cdeBCDE 17.8bcdBCD
YR12-9-4 336.0abcdefABCDEFG 1.8fgEF 17.8efghEFGH 0.9fghijEFGH 44.9ijGH 40.2hiG 5.0ghEF
YR12-9-5 299.0defghDEFGH 2.3bcdeABCDE 24.2aA 1.2cdefgCDEFGH 54.6fghijFGH 69.1fghiEFG 13.0defgCDEF
YR12-9-6 323.0bcdefgABCDEFGH 2.4bcdABCD 17.1ghiFGHI 1.5bcdABCDE 57.7fghijDEFGH 84.4efghiCDEFG 9.9defghDEF
YR12-9-7 305.0defghBCDEFGH 1.8fgEF 19.6bcdCDE 0.8ghijFGH 76.0cdefCDEFG 63.1fghiEFG 8.9efghDEF
YR12-9-8 308.0defghBCDEFGH 1.8fgEF 19.3cdeCDEF 0.8fghijFGH 87.8bcdeBCDE 71.0fghiEFG 9.8defghDEF
YR12-9-9 382.0abAB 2.6abAB 17.4fghiEFGH 2.0aAB 177.3aA 249.5aA 30.4aA
YR12-9-10 284.0fghFGH 2.5abcABC 18.9cdefCDEFG 1.4bcdeBCDEF 50.5ghijGH 73.7fghiDEFG 9.9defghDEF
YR12-9-1 255.0hH 2.6cdefBCDEF 19.1cdeCDEFG 0.9fghijEFGH 47.6hijGH 46.2hiFG 6.2ghDEF
YR12-38-29 358.0abcdABCDEF 2.4bcdABCD 19.2cdeCDEF 1.6abcABCD 72.8defgCDEFGH 114.8cdefCDEF 15.8cdefBCDE
YR12-38-30 389.0aA 1.8fgEF 18.6defgDEFG 1.0defghijDEFGH 100.5bcBC 103.6cdefgCDEFG 13.7defgBCDEF
YR12-38-31 302.0defghCDEFGH 2.2cdefBCDEF 18.1defghDEFG 1.1defghiDEFGH 69.6efghiCDEFGH 81.5efghiDEFG 10.3defghDEF
YR12-38-32 321.0cdefgABCDEFGH 2.0efgCDEF 18.5defghDEFG 1.0efghijEFGH 94.0bcdeBC 91.2defghCDEFG 12.0defgCDEF
YR12-38-34 295.0efghEFGH 2.2cdefBCDEF 15.8ijHIJ 1.1defghiDEFGH 74.6defgCDEFG 84.8efghiCDEFG 8.8efghDEF
YR12-38-48 285.0fghFGH 1.7gF 23.0aAB 0.6jH 90.0bcdeBCD 56.3ghiFG 9.9defghDEF
YR12-38-47 274.0ghGH 1.9efgDEF 15.0jIJ 0.8hijGH 40.9jH 30.0iG 2.9hF
YR12-38-46 373.0abcABCDE 2.5abcABC 24.0aA 1.8abABC 72.0defghCDEFGH 133.5cdeBCDE 24.8bB
YR12-38-45 378.0abcABCD 2.6abAB 20.3bcCD 2.1aA 77.4efghCDEFGH 156.4bcBC 23.4bcBC
YR12-38-43 345.0abcdeABCDEFG 2.1defgCDEF 21.0bBC 1.2cdefghDEFGH 72.8defgCDEFGH 83.9efghiCDEFG 13.3defgBCDEF
YR12-38-42 330.0abcdefgABCDEFGH 2.8aA 14.2jJ 2.1aA 96.0bcdBC 196.5bB 17.2bcdeBCD
YR12-38-40 308.0defghBCDEFGH 2.3bcdeABCDE 14.9jIJ 1.3cdefCDEFG 55.3fghijEFGH 72.8fghiDEFG 7.4fghDEF
YR12-38-27 305.0defghBCDEFGH 2.3bcdeABCDE 16.9hiGHI 1.3cdefgCDEFG 110.1bB 144.8bcdBCD 16.4bcdeBCDE
YR12-38-19 301.0defghCDEFGH 1.7gF 18.8cdefCDEFG 0.7ijGH 100.3bcBC 67.7fghiEFG 9.1defghDEF
YR12-38-18 325.0bcdefgABCDEFGH 2.0defgCDEF 18.0defghEFGH 1.1defghijDEFGH 86.7bcdeBCDEF 89.5efghCDEFG 11.3defghDEF
), ArticleFig(id=1256541087892685031, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=CN, label=表4, caption=

24份种质材料宿根蔗农艺性状指标表现

, figureFileSmall=null, figureFileBig=null, tableContent=
编号
Number
株高
Plant height
(cm)
茎径
Stalk diameter
(cm)
锤度
Brix (%)
单茎重
Single stalk
weight
(kg)
有效茎数
(×103条/hm2
Effective stalk
number
(×103 stalk/hm2)
蔗茎产量
Sugarcane
stalk yield
(t/hm2)
糖产量
Sugar yield
(t/hm2)
YR12-9-45 380.0abcABC 2.5abcABC 18.9cdefCDEFG 1.9abABC 71.0efghCDEFGH 132.1cdeBCDE 17.8bcdBCD
YR12-9-4 336.0abcdefABCDEFG 1.8fgEF 17.8efghEFGH 0.9fghijEFGH 44.9ijGH 40.2hiG 5.0ghEF
YR12-9-5 299.0defghDEFGH 2.3bcdeABCDE 24.2aA 1.2cdefgCDEFGH 54.6fghijFGH 69.1fghiEFG 13.0defgCDEF
YR12-9-6 323.0bcdefgABCDEFGH 2.4bcdABCD 17.1ghiFGHI 1.5bcdABCDE 57.7fghijDEFGH 84.4efghiCDEFG 9.9defghDEF
YR12-9-7 305.0defghBCDEFGH 1.8fgEF 19.6bcdCDE 0.8ghijFGH 76.0cdefCDEFG 63.1fghiEFG 8.9efghDEF
YR12-9-8 308.0defghBCDEFGH 1.8fgEF 19.3cdeCDEF 0.8fghijFGH 87.8bcdeBCDE 71.0fghiEFG 9.8defghDEF
YR12-9-9 382.0abAB 2.6abAB 17.4fghiEFGH 2.0aAB 177.3aA 249.5aA 30.4aA
YR12-9-10 284.0fghFGH 2.5abcABC 18.9cdefCDEFG 1.4bcdeBCDEF 50.5ghijGH 73.7fghiDEFG 9.9defghDEF
YR12-9-1 255.0hH 2.6cdefBCDEF 19.1cdeCDEFG 0.9fghijEFGH 47.6hijGH 46.2hiFG 6.2ghDEF
YR12-38-29 358.0abcdABCDEF 2.4bcdABCD 19.2cdeCDEF 1.6abcABCD 72.8defgCDEFGH 114.8cdefCDEF 15.8cdefBCDE
YR12-38-30 389.0aA 1.8fgEF 18.6defgDEFG 1.0defghijDEFGH 100.5bcBC 103.6cdefgCDEFG 13.7defgBCDEF
YR12-38-31 302.0defghCDEFGH 2.2cdefBCDEF 18.1defghDEFG 1.1defghiDEFGH 69.6efghiCDEFGH 81.5efghiDEFG 10.3defghDEF
YR12-38-32 321.0cdefgABCDEFGH 2.0efgCDEF 18.5defghDEFG 1.0efghijEFGH 94.0bcdeBC 91.2defghCDEFG 12.0defgCDEF
YR12-38-34 295.0efghEFGH 2.2cdefBCDEF 15.8ijHIJ 1.1defghiDEFGH 74.6defgCDEFG 84.8efghiCDEFG 8.8efghDEF
YR12-38-48 285.0fghFGH 1.7gF 23.0aAB 0.6jH 90.0bcdeBCD 56.3ghiFG 9.9defghDEF
YR12-38-47 274.0ghGH 1.9efgDEF 15.0jIJ 0.8hijGH 40.9jH 30.0iG 2.9hF
YR12-38-46 373.0abcABCDE 2.5abcABC 24.0aA 1.8abABC 72.0defghCDEFGH 133.5cdeBCDE 24.8bB
YR12-38-45 378.0abcABCD 2.6abAB 20.3bcCD 2.1aA 77.4efghCDEFGH 156.4bcBC 23.4bcBC
YR12-38-43 345.0abcdeABCDEFG 2.1defgCDEF 21.0bBC 1.2cdefghDEFGH 72.8defgCDEFGH 83.9efghiCDEFG 13.3defgBCDEF
YR12-38-42 330.0abcdefgABCDEFGH 2.8aA 14.2jJ 2.1aA 96.0bcdBC 196.5bB 17.2bcdeBCD
YR12-38-40 308.0defghBCDEFGH 2.3bcdeABCDE 14.9jIJ 1.3cdefCDEFG 55.3fghijEFGH 72.8fghiDEFG 7.4fghDEF
YR12-38-27 305.0defghBCDEFGH 2.3bcdeABCDE 16.9hiGHI 1.3cdefgCDEFG 110.1bB 144.8bcdBCD 16.4bcdeBCDE
YR12-38-19 301.0defghCDEFGH 1.7gF 18.8cdefCDEFG 0.7ijGH 100.3bcBC 67.7fghiEFG 9.1defghDEF
YR12-38-18 325.0bcdefgABCDEFGH 2.0defgCDEF 18.0defghEFGH 1.1defghijDEFGH 86.7bcdeBCDEF 89.5efghCDEFG 11.3defghDEF
), ArticleFig(id=1256541090069528819, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 5, caption=

Performance of seven agronomic trait indicators in the tested materials

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性状Trait 最大值Max. 最小值Min. 均值Mean 标准差SD 变异系数CV (%)
株高Plant height (cm) 373.3 246.7 314.2 34.14 10.87
茎径Stalk diameter (cm) 2.7 1.7 2.2 0.27 12.07
锤度Brix (%) 24.2 14.8 18.5 2.07 11.17
单茎重Single stalk weight (kg) 1.8 0.7 1.2 0.30 24.51
有效茎数(×103条/hm2)Effective stalk number (×103 stalk/hm2) 163.6 46.9 79.8 24873.37 31.17
蔗茎产量Sugarcane stalk yield (t/hm2) 219.7 43.4 98.5 41.56 42.20
糖产量Sugar yield (t/hm2) 28.2 5.1 12.9 5.59 43.37
), ArticleFig(id=1256541092116349192, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=CN, label=表5, caption=

参试材料7个农艺性状指标的表现

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性状Trait 最大值Max. 最小值Min. 均值Mean 标准差SD 变异系数CV (%)
株高Plant height (cm) 373.3 246.7 314.2 34.14 10.87
茎径Stalk diameter (cm) 2.7 1.7 2.2 0.27 12.07
锤度Brix (%) 24.2 14.8 18.5 2.07 11.17
单茎重Single stalk weight (kg) 1.8 0.7 1.2 0.30 24.51
有效茎数(×103条/hm2)Effective stalk number (×103 stalk/hm2) 163.6 46.9 79.8 24873.37 31.17
蔗茎产量Sugarcane stalk yield (t/hm2) 219.7 43.4 98.5 41.56 42.20
糖产量Sugar yield (t/hm2) 28.2 5.1 12.9 5.59 43.37
), ArticleFig(id=1256541092527390995, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 6, caption=

Correlation of main agronomic traits of tested materials

, figureFileSmall=null, figureFileBig=null, tableContent=
性状
Trait
株高
Plant
height
茎径
Stalk
diameter
锤度
Brix
单茎重
Single stalk
weight
有效茎数
Effective
stalk number
蔗茎产量
Sugarcane
stalk yield
糖产量
Sugar
yield
株高Plant height 1.00 -0.17 -0.10 0.30 0.52** 0.57** 0.52**
茎径Stalk diameter 1.00 0.00 0.89** -0.12 0.40 0.36
锤度Brix 1.00 -0.05 0.07 -0.01 0.33
单茎重Single stalk weight 1.00 0.11 0.64** 0.58**
有效茎数Effective stalk number 1.00 0.83** 0.80**
蔗茎产量Sugarcane stalk yield 1.00 0.94**
糖产量Sugar yield 1.00
), ArticleFig(id=1256541092955210010, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=CN, label=表6, caption=

参试材料主要农艺性状的相关性

, figureFileSmall=null, figureFileBig=null, tableContent=
性状
Trait
株高
Plant
height
茎径
Stalk
diameter
锤度
Brix
单茎重
Single stalk
weight
有效茎数
Effective
stalk number
蔗茎产量
Sugarcane
stalk yield
糖产量
Sugar
yield
株高Plant height 1.00 -0.17 -0.10 0.30 0.52** 0.57** 0.52**
茎径Stalk diameter 1.00 0.00 0.89** -0.12 0.40 0.36
锤度Brix 1.00 -0.05 0.07 -0.01 0.33
单茎重Single stalk weight 1.00 0.11 0.64** 0.58**
有效茎数Effective stalk number 1.00 0.83** 0.80**
蔗茎产量Sugarcane stalk yield 1.00 0.94**
糖产量Sugar yield 1.00
), ArticleFig(id=1256541093324308766, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 7, caption=

Eigenvalues, contribution rates and cumulative contribution rates of the tested materials

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性状Trait PC1 PC2 PC3
株高Plant height 0.33 -0.30 -0.12
茎径Stalk diameter 0.22 0.61 0.30
锤度Brix 0.02 0.14 -0.39
单茎重Single stalk weight 0.35 0.47 0.21
有效茎数Effective stalk number 0.37 -0.26 -0.36
蔗茎产量Sugarcane stalk yield 0.48 0.06 -0.16
糖产量Sugar yield 0.46 0.09 -0.28
特征值Eigenvalue 3.87 1.80 1.65
贡献率Contribution rate 43.02 20.04 18.33
累计贡献率Cumulative contribution rate 43.02 63.06 81.39
), ArticleFig(id=1256541093819236644, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=CN, label=表7, caption=

参试材料的特征值、贡献率和累计贡献率

, figureFileSmall=null, figureFileBig=null, tableContent=
性状Trait PC1 PC2 PC3
株高Plant height 0.33 -0.30 -0.12
茎径Stalk diameter 0.22 0.61 0.30
锤度Brix 0.02 0.14 -0.39
单茎重Single stalk weight 0.35 0.47 0.21
有效茎数Effective stalk number 0.37 -0.26 -0.36
蔗茎产量Sugarcane stalk yield 0.48 0.06 -0.16
糖产量Sugar yield 0.46 0.09 -0.28
特征值Eigenvalue 3.87 1.80 1.65
贡献率Contribution rate 43.02 20.04 18.33
累计贡献率Cumulative contribution rate 43.02 63.06 81.39
), ArticleFig(id=1256541094616154418, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 8, caption=

PC, Z(Xj), D value, and comprehensive evaluation results of the tested germplasms

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编号Number 材料名称Material name PC1 PC2 PC3 Z(X1) Z(X2) Z(X3) D 排序Order
YR12-9-45 云瑞12-9-45 2.071 0.624 0.892 0.639 0.648 0.706 0.656 3
YR12-9-4 云瑞12-9-4 -1.881 -0.998 0.652 0.139 0.351 0.662 0.309 19
YR12-9-5 云瑞12-9-5 0.455 1.175 -0.160 0.435 0.749 0.512 0.530 10
YR12-9-6 云瑞12-9-6 -0.056 1.696 1.043 0.370 0.845 0.734 0.569 7
YR12-9-7 云瑞12-9-7 -2.398 -0.348 -1.785 0.074 0.471 0.212 0.203 23
YR12-9-8 云瑞12-9-8 -0.462 -1.718 0.212 0.319 0.220 0.581 0.353 18
YR12-9-9 云瑞12-9-9 4.923 -1.397 -1.887 1.000 0.278 0.193 0.641 4
YR12-9-10 云瑞12-9-10 -0.805 2.263 0.103 0.275 0.949 0.560 0.505 11
YR12-9-1 云瑞12-9-1 -2.981 1.588 -0.596 0.000 0.825 0.432 0.300 20
YR12-38-29 云瑞12-38-29 1.373 1.307 -0.251 0.551 0.774 0.495 0.593 5
YR12-38-30 云瑞12-38-30 0.958 -2.917 0.791 0.498 0.000 0.688 0.418 14
YR12-38-31 云瑞12-38-31 0.183 -0.459 0.232 0.400 0.450 0.584 0.454 13
YR12-38-32 云瑞12-38-32 0.203 -0.406 -1.669 0.403 0.460 0.234 0.379 16
YR12-38-34 云瑞12-38-34 -1.307 -0.337 1.147 0.212 0.472 0.753 0.398 15
YR12-38-48 云瑞12-38-48 -1.286 0.817 -2.935 0.215 0.684 0.000 0.282 21
YR12-38-47 云瑞12-38-47 -2.176 -0.491 1.703 0.102 0.444 0.856 0.356 17
YR12-38-46 云瑞12-38-46 1.441 0.535 -0.511 0.560 0.632 0.447 0.552 9
YR12-38-45 云瑞12-38-45 0.350 -0.616 0.378 0.421 0.421 0.611 0.464 12
YR12-38-43 云瑞12-38-43 -2.845 -1.362 -1.210 0.017 0.285 0.318 0.151 24
YR12-38-42 云瑞12-38-42 0.901 -0.541 1.955 0.491 0.435 0.902 0.570 6
YR12-38-40 云瑞12-38-40 -0.347 0.691 2.485 0.333 0.661 1.000 0.564 8
YR12-38-27 云瑞12-38-27 3.657 -0.357 -0.002 0.840 0.469 0.541 0.681 1
YR12-38-19 云瑞12-38-19 -1.676 -1.295 -0.445 0.165 0.297 0.459 0.264 22
YR12-38-18 云瑞12-38-18 1.705 2.544 -0.141 0.593 1.000 0.516 0.676 2
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参试种质的PC、Z(Xj)、D值及综合评价结果

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编号Number 材料名称Material name PC1 PC2 PC3 Z(X1) Z(X2) Z(X3) D 排序Order
YR12-9-45 云瑞12-9-45 2.071 0.624 0.892 0.639 0.648 0.706 0.656 3
YR12-9-4 云瑞12-9-4 -1.881 -0.998 0.652 0.139 0.351 0.662 0.309 19
YR12-9-5 云瑞12-9-5 0.455 1.175 -0.160 0.435 0.749 0.512 0.530 10
YR12-9-6 云瑞12-9-6 -0.056 1.696 1.043 0.370 0.845 0.734 0.569 7
YR12-9-7 云瑞12-9-7 -2.398 -0.348 -1.785 0.074 0.471 0.212 0.203 23
YR12-9-8 云瑞12-9-8 -0.462 -1.718 0.212 0.319 0.220 0.581 0.353 18
YR12-9-9 云瑞12-9-9 4.923 -1.397 -1.887 1.000 0.278 0.193 0.641 4
YR12-9-10 云瑞12-9-10 -0.805 2.263 0.103 0.275 0.949 0.560 0.505 11
YR12-9-1 云瑞12-9-1 -2.981 1.588 -0.596 0.000 0.825 0.432 0.300 20
YR12-38-29 云瑞12-38-29 1.373 1.307 -0.251 0.551 0.774 0.495 0.593 5
YR12-38-30 云瑞12-38-30 0.958 -2.917 0.791 0.498 0.000 0.688 0.418 14
YR12-38-31 云瑞12-38-31 0.183 -0.459 0.232 0.400 0.450 0.584 0.454 13
YR12-38-32 云瑞12-38-32 0.203 -0.406 -1.669 0.403 0.460 0.234 0.379 16
YR12-38-34 云瑞12-38-34 -1.307 -0.337 1.147 0.212 0.472 0.753 0.398 15
YR12-38-48 云瑞12-38-48 -1.286 0.817 -2.935 0.215 0.684 0.000 0.282 21
YR12-38-47 云瑞12-38-47 -2.176 -0.491 1.703 0.102 0.444 0.856 0.356 17
YR12-38-46 云瑞12-38-46 1.441 0.535 -0.511 0.560 0.632 0.447 0.552 9
YR12-38-45 云瑞12-38-45 0.350 -0.616 0.378 0.421 0.421 0.611 0.464 12
YR12-38-43 云瑞12-38-43 -2.845 -1.362 -1.210 0.017 0.285 0.318 0.151 24
YR12-38-42 云瑞12-38-42 0.901 -0.541 1.955 0.491 0.435 0.902 0.570 6
YR12-38-40 云瑞12-38-40 -0.347 0.691 2.485 0.333 0.661 1.000 0.564 8
YR12-38-27 云瑞12-38-27 3.657 -0.357 -0.002 0.840 0.469 0.541 0.681 1
YR12-38-19 云瑞12-38-19 -1.676 -1.295 -0.445 0.165 0.297 0.459 0.264 22
YR12-38-18 云瑞12-38-18 1.705 2.544 -0.141 0.593 1.000 0.516 0.676 2
), ArticleFig(id=1256541096818164039, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=EN, label=Table 9, caption=

Cluster groups and their trait

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性状
Trait
类群Group
Ⅰ (n=6; 25.00%) Ⅱ (n=9; 37.50%) Ⅲ (n=9; 37.50%)
平均值
Mean value
变异系数
CV (%)
平均值
Mean value
变异系数
CV (%)
平均值
Mean value
变异系数
CV (%)
株高Plant height (cm) 301.2aA 11.02 314.4aA 12.28 322.3aA 9.43
茎径Stalk diameter (cm) 2.0bB 10.21 2.2bB 9.94 2.4aA 7.54
锤度Brix (%) 19.4aA 8.64 17.3aA 9.80 19.1aA 11.93
单茎重Single stalk weight (kg) 0.9cB 16.54 1.1bB 14.59 1.5aA 12.31
有效茎数(×103条/hm2
Effective stalk number (×103 stems/hm2)
781.2aA
25.20
82.2aA
41.88
89.0aA
37.48
蔗茎产量Sugarcane stalk yield (t/hm2) 72.1bA 33.31 95.4abA 53.48 130.0aA 35.37
糖产量Sugar yield (t/hm2) 10.2bA 39.97 11.5bA 59.02 17.5aA 31.50
), ArticleFig(id=1256541097573138770, tenantId=1146029695717560320, journalId=1256314692575182859, articleId=1256541014546891260, language=CN, label=表9, caption=

聚类类群及其性状特征

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性状
Trait
类群Group
Ⅰ (n=6; 25.00%) Ⅱ (n=9; 37.50%) Ⅲ (n=9; 37.50%)
平均值
Mean value
变异系数
CV (%)
平均值
Mean value
变异系数
CV (%)
平均值
Mean value
变异系数
CV (%)
株高Plant height (cm) 301.2aA 11.02 314.4aA 12.28 322.3aA 9.43
茎径Stalk diameter (cm) 2.0bB 10.21 2.2bB 9.94 2.4aA 7.54
锤度Brix (%) 19.4aA 8.64 17.3aA 9.80 19.1aA 11.93
单茎重Single stalk weight (kg) 0.9cB 16.54 1.1bB 14.59 1.5aA 12.31
有效茎数(×103条/hm2
Effective stalk number (×103 stems/hm2)
781.2aA
25.20
82.2aA
41.88
89.0aA
37.48
蔗茎产量Sugarcane stalk yield (t/hm2) 72.1bA 33.31 95.4abA 53.48 130.0aA 35.37
糖产量Sugar yield (t/hm2) 10.2bA 39.97 11.5bA 59.02 17.5aA 31.50
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基于农艺性状对57NG208与南涧果蔗正反交后代的综合评价
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俞华先 1, 2 , 安汝东 1, 2 , 桃联安 1, 2 , 郎荣斌 1, 2 , 边芯 1, 2 , 张钰 1, 2 , 刘新龙 1, 2 , 刘家勇 1, 2 , 赵丽萍 1, 2 , 刘洪博 1, 2 , 张革民 3 , 张保青 3
作物杂志 | 遗传育种·种质资源·生物技术 2026,42(1): 94-103
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作物杂志 | 遗传育种·种质资源·生物技术 2026, 42(1): 94-103
基于农艺性状对57NG208与南涧果蔗正反交后代的综合评价
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俞华先1, 2 , 安汝东1, 2 , 桃联安1, 2, 郎荣斌1, 2, 边芯1, 2, 张钰1, 2, 刘新龙1, 2, 刘家勇1, 2 , 赵丽萍1, 2, 刘洪博1, 2, 张革民3, 张保青3
作者信息
  • 1热带作物生物育种全国重点实验室,650205,云南昆明
  • 2云南省农业科学院甘蔗研究所/云南省甘蔗遗传改良重点实验室,661699,云南开远
  • 3广西农业科学院甘蔗研究所/广西甘蔗遗传改良重点实验室,530000,广西南宁
  • 俞华先,主要从事甘蔗遗传育种研究,E-mail:

通讯作者:

安汝东,研究方向为甘蔗遗传育种,E-mail:
刘家勇为共同通信作者,研究方向为甘蔗遗传育种与种质资源利用,E-mail:
Comprehensive Evaluation of Reciprocal Cross Hybrids between 57NG208 and Nanjian Chewing Cane Based on Agronomic Traits
Huaxian Yu1, 2 , Rudong An1, 2 , Lianan Tao1, 2, Rongbin Lang1, 2, Xin Bian1, 2, Yu Zhang1, 2, Xinlong Liu1, 2, Jiayong Liu1, 2 , Liping Zhao1, 2, Hongbo Liu1, 2, Gemin Zhang3, Baoqing Zhang3
Affiliations
  • 1National Key Laboratory for Biological Breeding of Tropical Crops, Kunming 650205, Yunnan, China
  • 2Sugarcane Research Institute, Yunnan Academy of Agricultural Sciences / Yunnan Key Laboratory of Sugarcane Genetic Improvement, Kaiyuan 661699, Yunnan, China
  • 3Sugarcane Research Institute of Guangxi Academy of Agricultural Sciences / Guangxi Key Laboratory of Sugarcane Genetic Improvement, Nanning 530000, Guangxi, China
出版时间: 2026-02-15 doi: 10.16035/j.issn.1001-7283.2026.01.012
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以24份大茎野生种与南涧果蔗的正反交后代为材料,对其7个重要农艺性状进行相关性、主成分和聚类分析及综合评价。结果表明,同一植期试验中不同种质材料间各农艺性状存在差异,同一种质材料在不同植期的试验中各农艺性状指标也存在差异。不同农艺性状的变异系数为11.17%~43.37%,其中糖产量和蔗茎产量的变异最大,分别为43.37%和42.20%,株高的变异较小。相关分析表明,蔗茎产量和糖产量均与单茎重、有效茎数呈极显著正相关,蔗茎产量与糖产量呈极显著正相关;通过主成分分析提取了产量糖分因子、茎径糖分因子和茎径质量因子,累计贡献率达81.39%;聚类分析结果显示,在欧式距离6.00处将24份种质材料分为3个类群,其与主成分得分结果基本一致,其中类群Ⅲ的7个农艺指标表现优异,具有高产高糖特性,云瑞12-38-27、云瑞12-38-18、云瑞12-9-45、云瑞12-9-9和云瑞12-38-29等5份材料的综合评价D值排前5位。

大茎野生种  /  南涧果蔗  /  农艺性状  /  主成分分析  /  隶属函数法  /  综合评价

A total of 24 progenies from Saccharum robustum L. and Nanjian chewing cane through reciprocal crosses were used. Correlation analysis, principal component analysis, cluster analysis, and comprehensive evaluation associated with seven important agronomic traits were performed. The results showed that there were differences in agronomic traits among different germplasm materials in the same planting period experiment, and there were differences in agronomic traits among different planting period experiment in the same germplasm materials. The variation coefficient of agronomic traits ranged from 11.17% to 43.37%. The variation of sugar yield and sugarcane stalk yield was the largest, which was 43.37% and 42.20%, respectively, the variation of plant height was small. The correlation analysis showed that sugarcane stalk yield and sugar yield were significantly positively correlated with single stalk weight and effective stalk number, respectively, and sugarcane stalk yield was significantly positively correlated with sugar yield. The yield-sugar factor, stalk diameter-sugar factor and stalk diameter-quality factor were extracted via principal component analysis, and the cumulative contribution rate was 81.39%. The results of cluster analysis showed that the 24 germplasm materials were divided into three groups at the Euclidean distance of 6.00, which were basically consistent with the results of principal component scores. Among them, the seven agronomic indexes of group III were excellent, with high yield and high sugar. Yunrui 12-38-27, Yunrui 12-38-18, Yunrui 12-9-45, Yunrui 12-9-9 and Yunrui 12-38-29 ranked top five based on their comprehensive evaluation D values.

Saccharum robustum L.  /  Nanjian chewing cane  /  Agronomic traits  /  Principal component analysis  /  Membership function method  /  Comprehensive evaluation
俞华先, 安汝东, 桃联安, 郎荣斌, 边芯, 张钰, 刘新龙, 刘家勇, 赵丽萍, 刘洪博, 张革民, 张保青. 基于农艺性状对57NG208与南涧果蔗正反交后代的综合评价. 作物杂志, 2026 , 42 (1) : 94 -103 . DOI: 10.16035/j.issn.1001-7283.2026.01.012
Huaxian Yu, Rudong An, Lianan Tao, Rongbin Lang, Xin Bian, Yu Zhang, Xinlong Liu, Jiayong Liu, Liping Zhao, Hongbo Liu, Gemin Zhang, Baoqing Zhang. Comprehensive Evaluation of Reciprocal Cross Hybrids between 57NG208 and Nanjian Chewing Cane Based on Agronomic Traits[J]. Crops, 2026 , 42 (1) : 94 -103 . DOI: 10.16035/j.issn.1001-7283.2026.01.012
大茎野生种别名伊里安野生种(Saccharum robustum L.),是甘蔗属中的一个重要野生种,具有蔗茎纤维分和生物产量高、抗氧化成分丰富、宿根年限长以及茎硬抗风、抗虫和抗旱性强等特性[1-3]。多年来以大茎野生种为亲本的甘蔗种质创制及利用是多数育种家关注的热点[4-5],研究和创制大茎野生种种质材料对丰富甘蔗品种的基因库和品种改良意义非凡。近年来,众多学者针对大茎野生种开展了大量研究,李思程等[6]从转录层面分析大茎野生种与其他甘蔗近缘属代表性种质的差异;冯梦凡等[7]从净光合速率方面对大茎野生种进行了初步分析,发现甘蔗种质间的净光合速率存在差异,野生种质的净光合速率显著高于其他种质;胡鑫等[8]对甘蔗进行黑穗病抗性鉴定与评价分析,筛选出了优异种质。国内外一些育种专家[1]用大茎野生种与热带种或品种杂交、回交,选育出了大量优质甘蔗品种或亲本。澳大利亚选育了“32MQ”,该品系因其优异的抗逆性和育种价值被广泛研究和应用[9];美国佛罗里达运河点甘蔗育种计划[10]也成功将大茎野生种的基因导入商业品种,选育出“CP36-105”等重要品种/亲本,显著提升了当地品种的适应性和产量潜力。同样,在美国夏威夷,源自大茎野生种的F3种质“H37- 1933”的培育与应用,为甘蔗品种贡献了强大的生长势和抗病性,成为全球甘蔗育种中一个标志性的野生种质资源[11]。我国以大茎野生种及其血缘后代为亲本的品种改良成果斐然,至今已育成闽糖92-949、桂糖18号等优良品种[4],以及崖城75- 270[12]、云蔗2000-505[13]、云瑞14-204[14]等优异亲本材料,这些新品种和亲本材料的快速应用极大地促成了中国甘蔗产业的蓬勃发展,为其提供了坚实的种源支撑。然而,当前育种实践表明,要持续推动产业进步,尤其是实现抗倒伏、宜机械化新品种的突破,必须对含有大茎野生种血缘的后代种质进行更为系统、客观和精准的评价。深入挖掘大茎野生种所携带的优异基因,明确其在不同遗传背景下的贡献,这已成为当前甘蔗育种中一项关键且紧迫的基础性工作。
农艺和产量性状能客观反映作物品种的综合特性,且其表型可直接用工具调查,因此常被育种家[15-17]作为种质资源评价鉴定的重要指标。聚多个优良农艺性状于一体是甘蔗育种所追求的理想目的,选择农艺性状优质的亲本配制杂交组合是甘蔗品种改良的重要途径[18]。国内外广大育种工作者基于农艺性状、抗性和品质等表型指标对甘蔗种质资源开展了大量评价与筛选工作,并取得了丰硕成果。在国际上,相关研究起步较早且体系成熟。例如,Jackson等[19]利用多性状综合评价方法,系统分析了上百份甘蔗种质的产量、糖分和抗病性,为后续商业杂交组合的选配奠定了表型基础;Bokhtiar等[20]对多个热带地区的甘蔗种质资源进行农艺性状聚类分析,有效区分了高产、高糖和抗逆性强的种质群,为针对性育种提供了指导;随着精准农业的发展,Silva等[21]结合高通量表型技术与传统农艺调查,对巴西核心种质库进行了大规模评价,显著提升了优良种质筛选的效率和准确性。在国内,谭秦亮等[22]基于主成分和聚类分析对10个甘蔗新品种(系)的农艺及产量性状评价,筛选出可在广西南宁蔗区种植的甘蔗新品种桂热2号;杨翠芳等[23]基于农艺性状和质量性状对164份桂糖系列甘蔗种质资源进行评价,不仅证明了遗传多样性丰富,而且筛选出高糖和高产类型种质材料;周珊等[24]评价了国内不同地区的160份甘蔗种质材料,并且通过聚类分析筛选出高糖高产种质材料;徐超华等[25]针对云南省的191份野生甘蔗种质资源进行评价,筛选出了蔗茅Ef 2021-1、滇蔗茅Er2021-29、斑茅Ea2021-8和割手密Sp2021-25等优质甘蔗种质材料。
目前,云南省农业科学院甘蔗研究所瑞丽育种站创制了相当多的大茎野生种血缘后代种质材料,这些种质材料是突破性甘蔗品种选育的基础。大茎野生种与南涧果蔗正反交后代材料是研究大茎野生种57NG208遗传规律的原始创新组合,目前对其大田农艺性状的全面评价鲜见报道。鉴于甘蔗种质资源的鉴定评价是资源合理利用的前提,而表型性状可直观、便捷地鉴定出育种目标[26]。本研究以24份大茎野生种与南涧果蔗正反交后代种质为材料,在成熟期调查其农艺性状指标,旨在通过种质材料间表型性状的评价和鉴定筛选出对育种性状改良有益的种质材料,为大茎野生种血缘后代种质材料的进一步研究和利用提供理论依据。
以24份大茎野生种NG57208(P1)与南涧果蔗(P2)正反交后代为供试材料,这些材料经朱建荣等[27]真实性鉴定为真,其中正交材料9份(P1×P2),反交材料15份(P2×P1),参试材料亲本信息详见表1
试验于2022年2月在云南省农业科学院甘蔗研究所瑞丽育种站(24°1′33″ N,97°51′44″ E)进行,该地海拔772.3 m,全年无霜,年均降水量1394.8 mm,年均气温21 ℃。试验设3个重复,每小区4行,行长6 m,行距1.2 m,下芽密度为12芽/m,采用随机区组的方式,常规田间管理。
于2022年11月中旬和2023年11月下旬,在大田测定新植和宿根甘蔗的株高、茎径、有效茎数和锤度,参照经艳芬等[28]的方法计算单茎重、蔗茎产量和蔗糖分,农艺性状数据为两新一宿的平均值。其中,蔗茎产量(t/hm2)=单茎重×有效茎数(条/hm2);单茎重(kg)=0.7854×(株高-50)×茎径 2/1000;甘蔗蔗糖分(%)=1.0825×田间锤度-7.703;糖产量(t/hm2)=蔗茎产量×甘蔗蔗糖分(%)。
利用Excel 2022和SPSS 22.0处理原始数据,利用DPSV 9.5进行主成分、方差和聚类分析,其中采用LSD法进行多重比较。利用SPSS 22.0的Pearson法作相关分析。参考计雅男等[29]和覃伟
[30]的方法进行隶属函数分析,即基于主成分得分求权重,最后利用权重法计算综合评价D值。
$Z\left(X_{j}\right)=\left(X-X_{\min }\right) /\left(X_{\max }-X_{\min }\right), j=1,2,3, \cdots, n$
$W_{i}=P_{i} / \sum P_{i}, \quad i=1,2,3, \cdots, n$
$D=\sum\left[Z\left(X_{j}\right) \times W_{i}\right], \quad i=1,2,3, \cdots, n$
式中,Z(Xj)表示参试种质材料第j个综合指标的隶属函数值。X表示参试种质材料综合指标的测定值,XminXmax分别表示第j个综合指标的最小值和最大值。j表示各综合指标,Wi为第i个综合指标在所有综合指标中的权重,Pi为各种质材料通过主成分分析得出的第i个综合指标的贡献率;D为综合评价值。
表2~4可知,24份大茎野生种正反交后代两新一宿农艺性状材料间差异明显。从表2可知,在第1年新植中,24份大茎野生种正反交后代种质材料株高最高的是YR12-9-9,其明显高于其余种质材料;茎径以YR12-38-29最大,YR12-38-43最小;锤度以YR12-9-5最高,YR12-9-4最低;单茎重以YR12-38-29最大,YR12-9-7最小;有效茎数以YR12-9-9最多,YR12-38-43最少;蔗茎产量、糖产量以YR12-38-27和YR12-9-9最高,极显著高于其余种质材料。
表3可知,在第2年新植中,24份大茎野生种正反交后代种质材料株高以YR12-38-27最高,YR12-38-40最低;茎径以YR12-38-18最大,YR12-38-43最小;锤度以YR12-9-5最高,YR12-9 -4最低;单茎重以YR12-38-18最重,YR12-38-43最轻;有效茎数以YR12-9-9最多,YR12-9-1最少;蔗茎产量、糖产量以YR12-38-18和YR12-38-27最高,极显著高于其余种质材料。
表4可知,在宿根蔗中,24份大茎野生种正反交后代种质材料株高以YR12-38-30最高,YR12-9 -1最低;茎径以YR12-38-42最大,YR12-38-48最小;锤度以YR12-9-5最高,YR12-38-42最低;单茎重以YR12-38-42和YR12-38-45最重,YR12-38-48最轻;有效茎数以YR12-9-9最多,YR12-38-47最少;蔗茎和糖产量以YR12-9-9最高,YR12-38-47最低,与其余材料存在明显差异。
由此可见,同一植期试验中不同种质材料间各农艺性状存在差异,相同种质材料在不同年份植期的试验中农艺性状指标也存在差异,其中YR12-9-9在第1年新植、第2年新植和宿根蔗中有效茎数均最多;YR12-9-9在宿根蔗中蔗茎产量和糖产量最高,YR12-38-27在第1年的新植蔗中蔗茎产量和糖产量最高,YR12-38-18在第2年的新植蔗中蔗茎产量和糖产量最高。
表5可知,24份大茎野生种正反交后代两新一宿试验各农艺性状材料间差异明显,变异系数均大于10.00%,变异系数在11.17%~43.37%,其中糖产量和蔗茎产量的变异系数最大,分别是43.37%和42.20%,糖产量的变幅在5.1~28.2 t/hm2,蔗茎产量的变幅在43.4%~219.7 t/hm2。由此表明,糖产量和蔗茎产量的遗传变异最为丰富,在大茎野生种创新种质的选择利用上要着重关注糖分和产量;其次有效茎数的变异系数为31.71%,变幅为46.9~163.6条/hm2;单茎重的变异系数为24.51%,茎径、锤度和株高的变异系数在10.50%~12.5%,其中株高的变异系数最小为10.87%。由此可知,这24份大茎野生种正反交后代种质材料的性状分离明显,变异范围广,某些种质材料的育种潜力优势明显。
利用Pearson法对24份大茎野生种的7个农艺性状进行相关性分析(表6)。株高与有效茎数、蔗茎产量和糖产量呈极显著正相关,与茎径和锤度呈负相关;茎径与单茎重呈极显著正相关,与有效茎数呈负相关;锤度与单茎重和蔗茎产量呈负相关,与其他性状呈正相关;单茎重、有效茎数分别与蔗茎产量和糖产量呈极显著正相关;蔗茎产量与糖产量呈极显著正相关。
基于24份大茎野生种正反交后代的7个农艺性状作主成分分析(表7),参照曲志华等[31]的方法,以特征值≥1为标准提取前3个因子,这3个因子的累计贡献率为81.39%,基本代表了大茎野生种正反交后代种质材料农艺性状的绝大部分信息。第1主成分(PC1)的贡献率为43.02%,特征值为3.87,蔗茎产量和糖产量的特征向量值在此主成分特征向量中最大,分别是0.48和0.46,其次是有效茎数、单茎重和株高,其特征向量值分别为0.37、0.35和0.33,主要反映蔗茎产量和糖产量,故把PC1概括为产量糖分因子;第2主成分(PC2)的贡献率为20.04%,特征值为1.80,其特征向量以茎径和单茎重最大,分别为0.61和0.47,其次是锤度和糖产量,其特征向量值分别为0.14和0.09,主要反映茎径、单茎重、锤度和糖产量,可概括为茎径糖分因子;第3主成分(PC3)的贡献率为18.33%,特征值为1.65,其特征向量以茎径和单茎重最大,分别为0.30和0.21,其次是株高和蔗茎产量,其特征向量值分别为-0.12和-0.16,主要反映茎径和单茎重,可概括为茎径质量因子。
对24份大茎野生种正反交后代的7个重要农艺性状指标值进行标准化处理,求解出7个重要农艺性状的3个主成分得分。参照覃伟等[30]的方法,依次利用公式(1)~(3)求综合评价D值,可反映24份大茎野生种正反交后代种质大田综合性状的表现情况,D值越大则田间表现越理想。从表8可看出,综合评价D值在0.500~0.700的材料有11份,占参试种质的45.833%,大田表现优良,其中云瑞12-38-27、云瑞12-38-18、云瑞12-9-45、云瑞12-9-9和云瑞12-38-29等5份种质的D值大于0.590,可对其加强利用。
基于24份大茎野生种正反交后代种质材料的3个主成分,以欧式距离为遗传距离、以离差平方和法为聚类方法进行系统聚类分析(图1)。在遗传距离为6.00处将24份种质材料分成3个类群。结合表9可见,类群Ⅰ有6份种质材料,占比25%,该类材料株高、茎径、有效茎数和锤度的均值依次是301.2 cm、2.0 cm、781.2×103条/hm2和19.4%,锤度均值在3个类群中最高,但单产低,可考虑作为高糖亲本利用;类群Ⅱ有9份种质,占比37.5%,其株高、茎径,蔗茎产量和糖产量的均值适中,依次是314.4 cm、2.2 cm、95.4 t/hm2和11.5 t/hm2,有效茎数、蔗茎产量和糖产量的变异系数在3个类群中为最大,分别是41.88%、53.48%和59.02%,可选择性利用或部分淘汰;类群Ⅲ有9份种质,占比37.5%,该类材料株高、茎径、有效茎数、蔗茎产量和产糖量均值在3个类群中最高,依次为322.3 cm、2.4 cm、890.0×103条/hm2、130.0 t/hm2和17.5 t/hm2,可作为高产高糖亲本重点利用。基于聚类结果对3个类群的性状作多重比较(表9),类群间差异较大,茎径、单茎重、蔗茎产量和糖产量在不同类群间达到显著水平(P<0.05),茎径和单茎重达到极显著水平(P<0.01),其中单茎重不同类群间均存在显著差异(P<0.05)。综合评价D值前5位的云瑞12-38-27、云瑞12-38-18、云瑞12-9-45、云瑞12-9-9和云瑞12-38-29均聚在类群Ⅲ中。
农艺性状的大田表现是区别不同甘蔗种质材料差异最简单、最基础的依据,通过农艺性状数据的收集和整理能直接了解其种性,苗锦山等[32]和段志芬等[33]认为农艺性状是研究种质资源最基本、最快速和最重要的方法,具有简便、高效和准确的特点,对其开展遗传多样性研究,可快速了解甘蔗种质的利用价值,以便精准育种。变异系数表示性状数值离散性特征,其大小反映出性状离散程度的情况[34],即性状遗传变异潜力大小。本研究基于7个农艺性状对24份大茎野生种正反交后代种质进行综合评价,结果显示7个农艺性状差异明显,变异幅度较大(11.17%~43.37%),变异系数均大于10%,其中糖产量和蔗茎产量变异系数最大,与杨翠芳等[23]和赵俊[35]的研究结论基本一致。产量和糖分是甘蔗育种首要考虑的重要性状,在甘蔗育种过程中可有针对性地用这些高遗传变异来改良当代甘蔗主栽品种。在对云南省[25]和贵州省[36]甘蔗野生资源的表型遗传多样性分析中,农艺性状的变异系数均超过本研究,出现这样的情况一方面是本研究材料为南亚热带季风性气候型的瑞丽保育的大茎野生种,且评价体系不同;另外一方面本研究的24份种质材料是大茎野生种与南涧果蔗正反交的后代,其血缘固定,而徐超华等[25,36]云南和贵州采集的同种属野生资源材料可能存在天然杂交种质。周珊等[24]分析国内8个不同地区160份甘蔗种质材料的农艺性状,发现变异系数大小表现为有效茎数>茎径>株高,本研究与其结论相吻合,并且数值大小相近。
甘蔗育种的核心在于取舍,明确各性状间的相互关系,找出与育种目标紧密相关的指标,以便快速优化育种和栽培策略。本研究针对24份大茎野生种与南涧果蔗正反交后代的7个农艺性状开展相关分析,结果表明,单茎重和有效茎数对蔗茎产量的贡献最大,茎径对单茎重作用最大,这与谭秦亮等[22]的研究结论类似。有效茎数与蔗茎产量呈极显著正相关、蔗茎产量与糖产量呈极显著正相关等结论,与赵俊等[37]、吴建涛等[38]、俞华先等[39]、秦昌鲜等[40]和杨翠芳等[23]的研究结果一致。锤度与单茎重和蔗茎产量呈负相关,与生产实践相吻合。在育种过程中,有效茎数和单茎重应优先考虑。
本文基于主成分得分聚类,既剔除了部分无足轻重的重叠信息,降低了统计分析的复杂性,又避免了以少数性状作可视化和主观性分类的弊端。这种方法对甘蔗种质资源的分类比较有效,可清晰掌握所研究的甘蔗种质所属类型及其特性,这样便可以根据育种目的按照性状互补的原理选择亲本,使亲本选配更合理。本研究将24份大茎野生种后代种质系统聚为3类,较好地揭示出创新材料的遗传特点,类群Ⅰ材料可作为高糖亲本利用,类群Ⅱ材料可选择性利用或淘汰,类群Ⅲ可作为高产高糖亲本重点利用。
通过对24份大茎野生种正反交后代种质农艺性状的综合评价,发现7个重要农艺性状的变异系数在11.17%~43.37%,具有丰富的遗传变异。基于主成分提取了产量糖分因子、茎径糖分因子和茎径质量因子,累计贡献率为81.39%。综合评价D值排前5位的为云瑞12-38-27、云瑞12-38-18、云瑞12-9-45、云瑞12-9-9和云瑞12-38-29,种质D值大于0.590,田间表现好,可加强利用。聚类分析将24份种质材料分成3个类群,聚类结果与主成分得分情况基本吻合。
  • 国家重点研发计划项目(2022YFD2301100)
  • 广西甘蔗遗传改良重点实验室开放课题项目(21-238-16K-01-01)
  • 云南省农业基础研究联合专项(202301BD070001-226)
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doi: 10.16035/j.issn.1001-7283.2026.01.012
  • 接收时间:2024-10-27
  • 首发时间:2026-04-30
  • 出版时间:2026-02-15
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  • 收稿日期:2024-10-27
  • 修回日期:2024-12-31
基金
国家重点研发计划项目(2022YFD2301100)
广西甘蔗遗传改良重点实验室开放课题项目(21-238-16K-01-01)
云南省农业基础研究联合专项(202301BD070001-226)
作者信息
    1热带作物生物育种全国重点实验室,650205,云南昆明
    2云南省农业科学院甘蔗研究所/云南省甘蔗遗传改良重点实验室,661699,云南开远
    3广西农业科学院甘蔗研究所/广西甘蔗遗传改良重点实验室,530000,广西南宁

通讯作者:

安汝东,研究方向为甘蔗遗传育种,E-mail:
刘家勇为共同通信作者,研究方向为甘蔗遗传育种与种质资源利用,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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