通过使用干燥剂作用的除草剂来强迫植物成熟是否会影响大豆的种子寿命?
Larissa Chamma1, Gustavo Ferreira da Silva1, Samara Moreira Perissato1
1Department of Crop Science, School of Agriculture, São Paulo State University (UNESP), Botucatu 18610-034, Brazil.
Plants (Basel, Switzerland)
|August 12, 2023
概括
在收获前将Paraquat等干燥剂应用于大豆种子,可能会损害其质量. 虽然发芽仍然不受影响,但种子活力和寿命受到损害,影响长期储存潜力.
科学领域:
- 农业科学 农业科学
- 农业学是一种农业学.
- 植物生理学 植物生理学
背景情况:
- 干燥除草剂被用于促进大豆收获,减轻生物和非生物因素带来的风险.
- 通过除草剂强制成熟可能会对种子质量组成部分产生负面影响,特别是寿命.
研究的目的:
- 用干燥剂进行强制成熟的大豆种子的生理质量评估.
- 为了确定Paraquat应用对大豆种子活力和寿命的影响.
主要方法:
- 大豆植物在增长阶段R7.3接受了Paraquat治疗,以强制成熟.
- 对照组在没有使用除草剂的情况下进行了自然成熟.
- 评估种子发芽,活力 (包括幼苗长度,干质量和发芽速度) 和寿命 (P50).
主要成果:
- 帕拉克瓦特的应用没有影响大豆种子的正常发芽.
- 然而,除草剂治疗显著影响了种子生力和寿命的获得.
- 储存期间的种子活力保存也受到干燥剂应用的负面影响.
结论:
- 在R7.3阶段的干燥除草剂应用中断了大豆种子生理质量的自然获得.
- 长寿性明显受到损害,这表明强制成熟后的种子性能和储存能力下降.
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