控制小麦粉状菌使用皮拉姆处理种子
Chao Xu1, Xiaomeng Guo1, Xiaoya Tian2
1Jiangsu Hilly Area Zhenjiang Institute of Agricultural Sciences, Jiangsu Academy of Agricultural Sciences, Jurong, China.
Pest management science
|February 10, 2025
概括
皮拉姆种子治疗有效控制小麦粉,而不会影响发芽. 谷物和土壤中的残留水平保持在安全限值以下,同时增强植物防御机制.
科学领域:
- 农业科学 农业科学
- 植物病理学 植物病理学
- 生物化学 生物化学
背景情况:
- 小麦粉状菌,是由Blumeria graminis f. sp. 引起的 ,是一种重要的空气传播疾病,导致大量的作物损失.
- 皮拉姆是一种酸脱酶抑制剂 (SDHI),用于控制各种作物的真菌病.
研究的目的:
- 评估皮拉姆作为种子处理剂对控制小麦粉的疗效.
- 研究皮拉姆对小麦和病原体的作用的潜在机制.
主要方法:
- 小麦种子被用fluopyram处理.
- 欧核生物参考转录组分析被用来研究基因表达.
- 在SPAD测量中评估了叶绿素含量.
- 分析了酶酶活性和基因表达.
主要成果:
- 皮拉姆对种子的治疗证明了对小麦粉的良好控制,对种子发芽没有任何不良影响.
- 在小麦谷物和土壤中的皮拉姆残留水平低于最大残留量限制 (MRL).
- 转录组分析显示了光合作用途径的丰富,增加了叶绿素含量,并激活了小麦的防御反应,包括上调基因酶活性和基因表达.
结论:
- 皮拉姆 (Fluopyram) 种子处理为控制小麦粉提供了一个可行的策略.
- 这些发现为皮拉姆对抗Blumeria graminis f. sp. 的实地应用提供了理论基础. 这里是Triticum.Triticum.
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