Weeding composition for rape fields

Abstract

The invention discloses a weeding composition for rape fields. The weeding composition is composed of active ingredients: pyribambenz-propyl and metazachlor in mass ratio of 1:(1-40). The weeding composition for rape fields has a synergetic effect, is mainly applied by mist spray about 10 days after rape transplanting, and can control grassy weed such as blue grass, barnyard grass and crab grass popular in rape fields, broad leaved weed such as malachium aquaticum and veronica polita, as well as sedge weed such as eleocharis yokoscensis. The weeding composition for rape fields has the characteristics of high weeding activity, broad weed control spectrum and convenience in use, is safe to rapes and belongs to environment-friendly herbicides.

Description

technical field [0001] The invention belongs to the technical field of pesticide herbicides, and in particular relates to a herbicidal composition composed of acetofen and metafentrazone for controlling weeds in rapeseed fields. Background technique [0002] Rapeseed is the oil crop with the largest planting area in my country. Rapeseed is an important source of edible vegetable oil and feed protein in my country. Rapeseed oil is the largest edible vegetable oil produced in China, accounting for more than 40% of domestic edible vegetable oil. my country is a major producer of rapeseed, and the planting area and output of rapeseed have long been ranked first in the world, accounting for about 30% of the world. Promoting the comprehensive, coordinated and sustainable development of the rapeseed industry, restoring and improving the comprehensive production capacity of rapeseed is of great significance for ensuring the effective supply and strategic security of domestic edible ...

AI Technical Summary

Problems solved by technology

But for a long time, all kinds of weeds have affected the yield of rapeseed. According to the survey, the

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