Post-seedling complex herbicide for corn and paddy

Abstract

The invention relates to the technical field of pesticides, and discloses a post-seedling complex herbicide for corn and paddy, which comprises two active ingredients of flufenacet and fluroxypyr in a weight ratio of 0.4-1.33:1 preferably and the content of the flufenacet and the fluroxypyr is 10 to 85 mass percent of that of the complex herbicide. The complex herbicide can weed annual gramineous weeds in corn and paddy fields and weed broadleaf weeds and sedges, has obvious weeding effect and synergistic effect, can weed the weeds of crops within an integral growth season, has no influence on successive crops, and is an ideal herbicide.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a compound herbicide for post-emergence corn and rice. Background technique [0002] Rice is not only the most important food crop in my country, but also one of the main food crops in the world. Nearly half of the world's population, including almost all of East and Southeast Asia, eat rice. Production is on every continent except Antarctica. In the late last century, the average annual rice output in the world was about 400 billion kilograms, and the planting area was about 145 million hectares. my country's rice sowing area accounts for 1 / 4 of the country's food crops, about 35 million hectares per year, while the output accounts for more than half. Regardless of the planting area and output, it ranks first in my country's food crops. There have always been a large number of weeds in the paddy fields of all rice-growing areas in my country. The area of ​​moderate weed ...

AI Technical Summary

Problems solved by technology

When maize at the seedling stage is harmed by weeds, the plants are short and the stems are thin and the leaves are yellow, which leads to poor growth of maize in the middle and late stages and severe yield reduction

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