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多特征稳定性指数用于识别来自迷你核心集合的耐射 (Atherigona soccata) 耐药种线

Ragimasalawada Madhusudhana¹, Poluru Gunnampati Padmaja¹

¹ICAR-Indian Institute of Millets Research, Hyderabad, India.

Pest management science

|June 27, 2023

概括

研究人员确定了12个稳定的小麦,对破坏性射 (Atherigona soccata Rondani) 害虫有抗性. 这一发现为改良计划提供了新的抵抗源,以加强作物保护和减少经济损失.

科学领域:

农业学是一种农业学.
昆虫学昆虫学是一门学科.
植物育种植物育种

背景情况:

射击 (Atherigona soccata Rondani) 是的主要害虫,造成了严重的经济损失.
宿主植物的耐药性是管理射的关键策略,需要识别耐药的捐赠者.
子迷你核心套件为探索射击耐药性的遗传多样性提供了宝贵的资源.

研究的目的:

评估基因变异性和基因型 × 年相互作用,以测量子迷你核心组中的射耐药性.
为了识别具有抵抗射击损伤的稳定加入.
评估不同耐药成分之间的遗传相关性.

主要方法:

对多种射击耐药性特征的迷你核心集的评估.
对遗传变异性,遗传性和基因型×年相互作用的分析.
应用多种特征稳定性指数 (MTSI) 来识别稳定耐性加入.

主要成果:

在所有特征中观察到显著的遗传变异性和基因型×年相互作用.
记录了高的广义遗传性和选择准确性.
使用MTSI确定了12个稳定耐药加入,对抗性特征有希望的选择收益.

结论:

已识别的稳定耐药性加入代表了改良品种育种的新来源.
这些加入可以为增强射击抵抗机制的动态基因库做出贡献.
这些发现支持开发更有弹性的果品种来对抗射击.

关键词:

在MTSI中,MTSI是MTSI.迷你核心迷你核心迷你核心射击飞行阻力射击飞行阻力这就是. sorghum.

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