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玉米及其水提取物对四种杂草物种和狐尾小米的合疗效

Shuqi Dong¹, Jiaxin Dong¹, Peiyao Li¹

¹College of Agriculture, Shanxi Agricultural University, Jinzhong 030800, China.

Plants (Basel, Switzerland)

|May 25, 2024

概括

玉米草覆盖有效控制狐尾小米田中的杂草. 应用12,000公斤/公的玉米草显著降低了杂草密度,并通过异构效应改善了狐尾小米产量.

科学领域:

农业科学农业科学
农业学是一种农业学.
植物科学植物科学

背景情况:

使用草覆盖的保护性耕作是常见的,但对玉米草对杂草和作物的等位病效应的研究是有限的.
对于农业中可持续的杂草管理来说,了解这些等位基相互作用至关重要.

研究的目的:

为了研究玉米对四种常见杂草 (Chenopodium album,Setaria viridis,Echinochloa crus-galli,Amaranthus retroflexus) 在狐尾小米田中的等位效应.
评估玉米草覆盖对狐尾小米生长指标和产量的影响.

主要方法:

通过使用不同度的玉米水提取物进行了培养皿实验,以评估对杂草种子发芽和生长的等位细胞效应.
进行了不同玉米杂率 (3000,6000,12,000公斤/ha) 的实地实验,并将其与对照 (无) 和黑薄膜处理进行了比较.
测量了杂草密度,覆盖面和狐尾小米生理参数 (净光合作用率,透气率) 和产量.

主要成果:

玉米草水提取物抑制了四种杂草物种的发芽.
较高的玉米草覆盖率 (6000和12,000公斤/公) 显著降低了杂草密度和覆盖面,同时增加了狐尾小米产量和生理性能.
经过12,000公斤/公的处理,证明了最有效的杂草控制和作物产量提升.

结论:

玉米展现出显著的基治疗特性,有效地抑制了狐尾小米种植中的杂草生长.
建议以12,000公斤/公的最佳玉米杂作物用于综合杂草管理,促进作物的健康和产量.
玉米的应用对狐尾小米的光合作用效率和整体生产率产生了积极的影响.

关键词:

一种类型的异性病变 (allelopathy).玉米草玉米草的意思水的提取物水的提取物控制杂草控制杂草控制杂草

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