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2. Hebei Agricultural University, Baoding, Hebei Province 071000, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309575155857318554, articleId=1309575155282698905, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=80份狼尾草种质农艺性状评价及优异种质筛选, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=象草(Pennisetum purpureum)及杂交狼尾草是狼尾草属的优质高产饲草,但其在我国北方的田间适应性评价尚不充分。本研究旨在系统评价80份收集及选育的狼尾草属种质资源在北京地区的农艺性状表现,筛选适宜北方种植的优异种质。试验测定80份供试材料的株高、叶长、叶宽、分蘖数、茎粗、鲜重及干重7个重要农艺性状,采用变异系数分析、相关性分析、主成分分析及隶属函数法对种质资源进行综合评价。结果表明:80份种质资源具有丰富的遗传多样性,7个农艺性状的变异系数介于10.97%~78.77%,其中干重(78.77%)和鲜重(69.85%)的变异幅度最大,说明不同种质间生物量相关性状差异较大。相关性分析显示,叶长与叶宽、鲜重与干重均呈极显著正相关(P<0.01)。主成分分析发现前4个主成分累计贡献率达89.70%,主要反映了植株的生物量因子、株型因子和分蘖因子。通过隶数函数综合评价,筛选出综合性状排名前10的优异种质,分别为‘苏牧4号’杂交狼尾草、‘川育1号’象草、‘紫色’象草、‘华南’象草、‘杂狼11号’杂交狼尾草、象草31号、‘桂闽引’象草、‘CHP31’杂交狼尾草、象草10号和‘德宏’象草。本研究为北方地区饲草栽培和育种提供了高产优质的狼尾草种质。, authors=刘红铄1,2, 王伟伟1,2, 范希峰1, 孙鑫博2, 岳跃森1, 滕珂1, 刘凌云1, authorsList=刘红铄, 王伟伟, 范希峰, 孙鑫博, 岳跃森, 滕珂, 刘凌云, authorCompany=1 北京市农林科学院草业花卉与景观生态研究所, 北京 100097;
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80份狼尾草种质农艺性状评价及优异种质筛选
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草地学报 | 研究论文 2026,34(9): 3320-3330
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草地学报 |研究论文 2026 , 34 (9) : 3320 -3330
80份狼尾草种质农艺性状评价及优异种质筛选
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刘红铄1,2, 王伟伟1,2, 范希峰1, 孙鑫博2, 岳跃森1, 滕珂1, 刘凌云1
作者信息
    1 北京市农林科学院草业花卉与景观生态研究所, 北京 100097;
    2 河北农业大学, 河北 保定 071000
作者简介:
刘红铄(2002-),女,汉族,河北唐山人,硕士研究生,主要从事狼尾草育种研究,E-mail:1911430053@qq.com
Evaluation of Agronomic Traits of 80 Pennisetum Accessions and Screening of Excellent Germplasm
  • LIU Hong-shuo1,2, WANG Wei-wei1,2, FAN Xi-feng1, SUN Xin-bo2, YUE Yue-sen1, TENG Ke1, LIU Ling-yun1
  • Affiliations
      1 Institute of Grassland, Flowers, and Ecology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China;
      2. Hebei Agricultural University, Baoding, Hebei Province 071000, China
    doi: 10.11733/j.issn.1007-0435.2026.09.016
    文章导航
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    象草(Pennisetum purpureum)及杂交狼尾草是狼尾草属的优质高产饲草,但其在我国北方的田间适应性评价尚不充分。本研究旨在系统评价80份收集及选育的狼尾草属种质资源在北京地区的农艺性状表现,筛选适宜北方种植的优异种质。试验测定80份供试材料的株高、叶长、叶宽、分蘖数、茎粗、鲜重及干重7个重要农艺性状,采用变异系数分析、相关性分析、主成分分析及隶属函数法对种质资源进行综合评价。结果表明:80份种质资源具有丰富的遗传多样性,7个农艺性状的变异系数介于10.97%~78.77%,其中干重(78.77%)和鲜重(69.85%)的变异幅度最大,说明不同种质间生物量相关性状差异较大。相关性分析显示,叶长与叶宽、鲜重与干重均呈极显著正相关(P<0.01)。主成分分析发现前4个主成分累计贡献率达89.70%,主要反映了植株的生物量因子、株型因子和分蘖因子。通过隶数函数综合评价,筛选出综合性状排名前10的优异种质,分别为‘苏牧4号’杂交狼尾草、‘川育1号’象草、‘紫色’象草、‘华南’象草、‘杂狼11号’杂交狼尾草、象草31号、‘桂闽引’象草、‘CHP31’杂交狼尾草、象草10号和‘德宏’象草。本研究为北方地区饲草栽培和育种提供了高产优质的狼尾草种质。
    象草  /  杂交狼尾草  /  农艺性状  /  综合评价  /  种质筛选
    Elephant grass (Pennisetum purpureum) and hybrid Pennisetum are high-quality forage grasses with remarkable biomass potential. However, evaluation of their adaptability and agronomic performance in Northern China remains insufficient. This study aims to systematically evaluate the agronomic traits of 80 Pennisetum accessions in Beijing and screen the excellent germplasm suitable for northern cultivation. Seven key agronomic traits, including plant height, leaf length, leaf width, tiller number, stem diameter, fresh weight, and dry weight were measured for the 80 accessions. Then coefficient of variation (CV) analysis, correlation analysis, principal component analysis (PCA), and subordinate function analysis were employed for comprehensive evaluation. The results showed that the 80 accessions exhibited rich genetic diversity. The CVs of the seven traits ranged from 10.97% to 78.77%, with dry weight (78.77%) and fresh weight (69.85%) exhibiting the highest variation, this indicates that there are significant differences in biomass-related traits among different genotypes. By correlation analysis, individual that leaf length and leaf width, as well as fresh weight and dry weight, were both highly significantly positively correlated (P < 0.01). Principal component analysis (PCA) revealed that four principal components accounted for a cumulative contribution rate of 89.70%, primarily representing biomass factors, plant architecture factors, and tillering factors. Based on the membership function values, the top 10 accessions with superior comprehensive performance were identified. P.americanum×P. purpureum ‘Sumu No.4’,P. purpureum ‘Chuanyu No.1’ , P. purpureum ‘Zise’ , P. purpureum ‘Huanan’, P.americanum×P. purpureum ‘No.11’, P. purpureum ‘No.31’,P. purpureum ‘Guiminyin’ , P.americanum×P. purpureum ‘CHP31’,P. purpureum ‘No.10’ and P. purpureum ‘Dehong’. This study provides high-yielding Pennisetum germplasm for forage cultivation and breeding in Northern China.
    Elephant grass  /  Hybrid Pennisetum  /  Agronomic traits  /  Comprehensive evaluation  /  Germplasm screening
    刘红铄, 王伟伟, 范希峰, 孙鑫博, 岳跃森, 滕珂, 刘凌云. 80份狼尾草种质农艺性状评价及优异种质筛选. 草地学报, 2026 , 34 (9) : 3320 -3330 . DOI: 10.11733/j.issn.1007-0435.2026.09.016
    LIU Hong-shuo, WANG Wei-wei, FAN Xi-feng, SUN Xin-bo, YUE Yue-sen, TENG Ke, LIU Ling-yun. Evaluation of Agronomic Traits of 80 Pennisetum Accessions and Screening of Excellent Germplasm[J]. Acta Agrestia Sinica, 2026 , 34 (9) : 3320 -3330 . DOI: 10.11733/j.issn.1007-0435.2026.09.016

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    TIAN H,DANG Z Q,ZHANG H S,et al. Analysis of phenotypic trait diversity and comprehensive evaluation of ornament characteristic in 31 Pennisetum germplasm resources[J]. Jiangsu Journal of Agricultural Sciences,2025,41(7):1270-1279 田宏,党志强,张鹤山,等. 31份狼尾草种质资源的表型性状多样性分析和观赏性综合评价[J]. 江苏农业学报,2025,41 (7):1270-1279
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    WANG L H,LI H B,SUN X B,et al. Evaluation and analysis on wild germplasm resources of Pennisetum alopecuroides[J]. Journal of Agricultu ral Science and Technology,2016,18(3):134-140 王丽宏,李会彬,孙鑫博,等. 狼尾草野生种质资源的评价与分析[J]. 中国农业科技导报,2016,18(3):134-140
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    2026年第34卷第9期
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    doi: 10.11733/j.issn.1007-0435.2026.09.016
    • 接收时间:2026-03-02
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    • 收稿日期:2026-03-02
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    2种不同金属材料的力学参数
    科
    Family
    属数
    Number of
    genus
    种数
    Number of
    species
    占总种数比例
    Percentage of
    total species (%)
    属
    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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