294 份花生品种落荚性状的评价鉴定
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广东省农业科学院作物研究所 / 广东省农作物遗传改良重点实验室

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国家花生产业技术体系(CARS-13);国家自然科学基金(31771841,31801401);广东省自然科学基金(2021A1515010811);广 州市科技计划(201904010190);广东省农业科学院学科团队建设(202104TD);广东省农业科学院科技人才培养“金颖之星” (R2020PY-JX004)


Evaluation and Identification of Pod Abscission in 294 Peanut Varieties
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Crops Research Institute Guangdong Academy of Agricultural Sciences/Guangdong Provincial Key Laboratory of Crop Genetic Improvement

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Modern Agroindustry Technology Research System(CARS-13),National Natural Science Foundation of China(31771841, 31801401),Natural Science Foundation of Guangdong Province(2021A1515010811),Science and Technology Program of Guangzhou,China(201904010190),Teamwork Projects Funded by Guangdong Academy of Agricultural Sciences (202104TD),Special Project for Science and Technology Innovation Strategy of Guangdong Academy of Agricultural Sciences,Jinying Star Project(R2020PY-JX004)

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    摘要:

    花生落荚性是指成熟后荚果脱落的难易程度,主要与果柄 - 荚果和果柄 - 茎秆的断裂力有关。为了探究不同花生 品种的落荚性状的差异性,本试验对 294 份花生品种在鲜花生时和晾晒 4 d 后果柄 - 荚果和果柄 - 茎秆断裂力进行系统的 测量和统计分析。结果表明,不同花生品种的果柄 - 荚果与果柄 - 茎秆断裂力存在显著差异。294 份花生品种在鲜花生和 晾晒 4 d 后果柄 - 荚果断裂力变幅分别为 2.07~20.07 lb、1.73~9.64 lb,果柄 - 茎秆断裂力的变幅分别为 2.21~22.86 lb、1.90~ 11.25 lb,花生品种在刚收获时果柄 - 茎秆断裂力的变幅最大。落荚性状与主茎高度、单株果数相关性不显著。分别筛选出鲜 花生和干燥后落荚特性适中的花生品种 9 份和 20 份,为下一步培育适合机械化收获的花生新品种打下基础。

    Abstract:

    The peanut pod abscission ability,which is the difficulty of pod shedding after maturity,is mainly related to the fracture force of gynophore-pod and gynophore-stem. In order to explore the variation of pod abscission among different peanut varieties,the fracture force of gynophore-pod and gynophore-stem of 294 genotypes were systematically measured and analysed at the beginning of harvest and after drying for 4 days in this experiment. The results showed that there were significant differences in fracture force of gynophore-pod and gynophore-stem among different peanut varieties. The variation of the gynophore-pod fracture force among 294 germplasms at the beginning of harvest and after drying for 4 days were 2.07-20.07 lb and 1.73-9.64 lb respectively,while the variation of the gynophore-stem fracture force was 2.21-22.86 lb and 1.90-11.25 lb respectively. The variation of gynophore-stem fracture force was observed at the beginning of harvest. The correlation between the characteristics of pod abscission and the main stem height and the number of pods per plant was not significant. Nine and 20 peanut varieties with suitable pod abscission ability after harvest and drying were screened respectively,which laid elite germplasm resource to breed new varieties of peanuts suitable for mechanized harvesting.

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郭丹丹,鲁 清,杜普旋,等.294 份花生品种落荚性状的评价鉴定[J].植物遗传资源学报,2022,23(3):722-730.

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  • 收稿日期:2021-11-04
  • 最后修改日期:2021-11-18
  • 录用日期:2022-02-08
  • 在线发布日期: 2022-05-10
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