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Breeding and Adaptability Analysis of New Fresh-eating Sweet Potato Variety Guishu No. 15
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Jinfeng HUA*, Yanqing LI, Yongmei HUANG, Huifeng LI, Tianyuan CHEN, Jie YIN
Chinese Journal of Tropical Crops | 2025, 46(5) : 1116 - 1123
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Chinese Journal of Tropical Crops | 2025, 46(5): 1116-1123
• Germplasm Resources, Genetics & Breeding •
Breeding and Adaptability Analysis of New Fresh-eating Sweet Potato Variety Guishu No. 15
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Jinfeng HUA*, Yanqing LI, Yongmei HUANG, Huifeng LI, Tianyuan CHEN, Jie YIN
Affiliations
  • Sweet Potato Genetics, Breeding and Application Research Laboratory, Maize Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, Guangxi 530007, China
Published: 2025-05-25 doi: 10.3969/j.issn.1000-2561.2025.05.010
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The study was aimed to breed new varieties of fresh-eating sweet potato with high yield and high quality to meet the market demand of fresh-eating varieties. A new fresh-eating variety Guishu No. 15 was successfully bred with Yuzishu No. 7 as the mother and Guiziweishu No. 1 as the father. The variety is spindle-shaped with purple skin and white heart. Guishu No. 15 is centralized and neat, with an average number of 5.10 storage roots per plant. The proportion of commodity sweet potato is high, with a medium and large storage roots rate of 94.20%. The cooked has excellent quality, with β-carotene 27.70 µg/100 g, anthocyanin 67.40 mg/100 g, soluble sugar 5.39%, reducing sugar 1.90 g/100 g, and protein 0.94 g/100 g. The average fresh storage roots yield, dry storage roots yield, and starch yield in the two-year regional trial was 30 303.00 kg/hm2 8187.90 kg/hm2 and 5195.99 kg/hm2, respectively, significantly increased by 11.95%, 23.10% and 27.81% compared to CK. Guishu No. 15 has good high and stable yield, excellent cooked food quality, and moderate resistance to Fusarium wilt, bactrium wilt, stem nematode, and root rot disease, which is suitable for planting in Guangxi and its similar ecological areas.

sweet potato  /  Guishu No. 15  /  variety breeding  /  fresh-eating  /  adaptability
Jinfeng HUA, Yanqing LI, Yongmei HUANG, Huifeng LI, Tianyuan CHEN, Jie YIN. Breeding and Adaptability Analysis of New Fresh-eating Sweet Potato Variety Guishu No. 15[J]. Chinese Journal of Tropical Crops, 2025 , 46 (5) : 1116 -1123 . DOI: 10.3969/j.issn.1000-2561.2025.05.010
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Year 2025 volume 46 Issue 5
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Article Info
doi: 10.3969/j.issn.1000-2561.2025.05.010
  • Receive Date：2024-11-28
  • Online Date：2026-06-26
  • Published：2025-05-25
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History
  • Received：2024-11-28
  • Accepted：2025-01-08
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Affiliations
    Sweet Potato Genetics, Breeding and Application Research Laboratory, Maize Research Institute, Guangxi Academy of Agricultural Sciences, Nanning, Guangxi 530007, China
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表12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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