Can nicosulfuron be used twice?

Nicosulfuron is a systemic herbicide that can be absorbed by the stems and roots of weeds, and then transmitted in plants, causing the growth of sensitive plants to stagnate, the stems and leaves chlorosis, and gradually die, usually 20-25 days of death, However, it takes a long time for some perennial weeds in low temperatures. The application of the drug was good before the 4th leaf stage of the bud, and the effect of the application was decreased when the seedling was large. The drug has pre-emergence herbicidal activity, but its activity is lower than that after bud.

Recently, many farmers’ uncles have asked if nicosulfuron can be used twice. The pesticide net Xiaobian reminds everyone that nicosulfuron can not be reused. It can only be used once in a lifetime. This product is forbidden after corn 2 leaves to 10 leaves. 2 leaves to 5 leaves can be sprayed all day after 5 leaves, after directional spray 10 leaves are disabled

Repeated use of nicosulfuron will cause phytotoxicity.