Sakura 850 WG influence of rainfall after sowing for annual ryegrass control under heavy stubble conditions

To demonstrate the influence of rainfall on Sakura uptake.To highlight the influence of a drying top soil when weeds have already germinated prior to application of Sakura.To influence of rainfall to carry herbicide to soil active zone.To make a comparison between root (Sakura) and shoot uptake herbicides (trifluralin, Boxer Gold®, Avadex® Xtra) efficacy including residual control over time.

阐明降雨对Sakura吸收的影响；突出Sakura施用前杂草已萌发时表层土壤干旱的作用；研究降雨将除草剂携带至土壤活性区的影响；比较根部吸收型除草剂（Sakura）与茎叶吸收型除草剂（trifluralin、Boxer Gold®、Avadex® Xtra）的防效，包括其随时间变化的残留防效。