Herbicide

Abstract

A herbicide for rice field contains proportionally cyhalofop-butyl and pyrimidotriazole sulfonamide. Its advantage is to apply it only once.

Description

technical field [0001] The invention relates to a herbicide used for controlling weeds in direct-seeding paddy fields. Background technique [0002] The weeds and water bamboo leaves in direct-seeding paddy fields should be removed before sowing and plowing, and the main weeds that need to be controlled after seedlings are grasses (Dianjinzi and barnyardgrass), broad-leaved grasses (Motherweed, Jiejielai, Arrowhead, Lilac Polygonum, etc.) and shaped sedge, etc. At present, the herbicides used for the above-mentioned weeds generally need to be sprayed 2-3 times or more, which not only takes time and energy, is troublesome, and is difficult for farmers to master, but also has unsatisfactory weeding effects and safety on this type of weeds. , especially the weeding effect on wild Arrowhead is poor. Especially in the no-till direct seeding field, due to the uneven surface of the field, it will bring difficulties to the early application of pesticides. Contents of the inventi...

AI Technical Summary

Problems solved by technology

At present, the herbicides used for the above-mentioned weeds generally need to be sprayed 2-3 times or more, which not only takes time and energy, is troublesome, and is difficult for farmers to master, but also has unsatisfactory weeding effects and safety on this type of weeds. , especially the weeding effect on the wild Arrowhead

Especially in the no-tillage direct seeding field, due to the unevenness of the field surface, it will bring difficulties to the early application of pesticides.