The aim was to effectively control weeds in maize fields and reduce herbicide damages by exploring the optimal concentration of highly-efficient and safe herbicides. [Method] Herbicide effects on weeds, such as Digita...The aim was to effectively control weeds in maize fields and reduce herbicide damages by exploring the optimal concentration of highly-efficient and safe herbicides. [Method] Herbicide effects on weeds, such as Digitaria san-guinalis, Portulaca oleracea and Amaranthus retroflexus, in maize field were tested, and the significance analysis was conducted on prevention effects with 15%mesotrione （oil suspending agent）. [Result] Except of manual weeding, the preven-tions on Digitaria sanguinalis, Portulaca oleracea and Amaranthus retroflexus al reached the peaks with 15% mesotrione （oil suspending agent） at 11 320 g/hm2, and fresh weights proved changed the most dramatical y. [Conclusion] It is clear that the prevention effects of 15% mesotrione oil suspending agent are better on Digi-taria sanguinalis, Portulaca oleracea and Amaranthus retroflexus, which should be widely applied and promoted.展开更多
文摘The aim was to effectively control weeds in maize fields and reduce herbicide damages by exploring the optimal concentration of highly-efficient and safe herbicides. [Method] Herbicide effects on weeds, such as Digitaria san-guinalis, Portulaca oleracea and Amaranthus retroflexus, in maize field were tested, and the significance analysis was conducted on prevention effects with 15%mesotrione （oil suspending agent）. [Result] Except of manual weeding, the preven-tions on Digitaria sanguinalis, Portulaca oleracea and Amaranthus retroflexus al reached the peaks with 15% mesotrione （oil suspending agent） at 11 320 g/hm2, and fresh weights proved changed the most dramatical y. [Conclusion] It is clear that the prevention effects of 15% mesotrione oil suspending agent are better on Digi-taria sanguinalis, Portulaca oleracea and Amaranthus retroflexus, which should be widely applied and promoted.
