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评估常见豆类基因型对Diabrotica speciosa (Coleoptera: Chrysomelidae) 的耐药性
Eduardo Neves Costa1,2, Elias Soares Gomes2, Lucas Coutinho Reis1
1Universidade Federal da Grande Dourados, Faculdade de Ciências Agrárias, Programa de Pós-graduação em Agronomia, Rodovia Dourados/Itahum, Km 12, 79.804-970, Dourados, MS, Brazil.
Bulletin of entomological research
|June 19, 2023
概括
常见的豆类基因型Dobalde,Manteigado和IPR Tuiuiú对Diabrotica speciosa表现出耐受性. 兰德拉斯90D摩洛表现出抗异性和耐受性,为控制这种害虫的育种计划提供了有价值的特征.
科学领域:
- 农业昆虫学 农业昆虫学
- 植物育种 植物育种
- 植物生理学 植物生理学
背景情况:
- 豆 (Diabrotica speciosa) 是常见豆 (Phaseolus vulgaris) 的重要害虫,在整个作物周期中导致脱叶.
- 开发耐药常见豆品种对于可持续农业和害虫管理至关重要.
研究的目的:
- 评估16种普通豆基因型 (14种陆地品种,2种品种) 对Diabrotica speciosa.的耐药性.
- 为了识别表现出抗异性和/或对D. speciosa耐受性的基因型,用于繁殖应用.
主要方法:
- 实验室养试验 (选择和无选择) 来评估叶子的消耗.
- 温室实验评估植物生长,损伤,种子产量和害虫生存率.
- 生物化学标记物的分析,包括三合体密度,过氧化酶 (POD),超氧化物脱酶 (SOD) 和蛋白质含量.
主要成果:
- 基因型Chumbinho Branco,Dobalde,Manteigado,IPR Tuiuiú和90D Mouro在实验室测试中显示了减少的叶子消耗.
- 多巴尔德,曼蒂加多和IPR Tuiuiú在温室试验中表现出耐受性,保持了植物的高度和种子生产.
- 90D Mouro表现出抗毒性 (低伤害,高三) 和耐受性 (保持种子重量,高SOD).
结论:
- 抗和耐受性是控制常见豆中Diabrotica speciosa损害的关键机制.
- 多巴尔德,曼蒂加多,IPR Tuiuiú 和 90D Mouro 基因型具有用于育种计划的宝贵抗性特征.
- 这些发现支持开发具有对D. speciosa增强耐药性的普通豆品种.
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