Efficient herbicide for rice dry-land seedling bed

Abstract

The invention relates to a herbicide composition, and particularly relates to an efficient herbicide for a rice dry-land seedling bed. The composition comprises the following components in parts by weight: 20-30 parts of benthiocarb (saturn), 18-25 parts of bensulfuron methyl, 18-25 parts of pyrazosulfuron-ethyl, 10-15 parts of methyl oleate and 10-15 parts of ethoxylated fatty amine, wherein benthiocarb (saturn), bensulfuron methyl and pyrazosulfuron-ethyl are effective components. The efficient herbicide is used for preventing and treating weeds of paddy fields, and has an efficient killing effect on gramineae (such as moleplant seed and barnyard grass), cyperaceae and other broadleaf weeds, the dosage and the drug delivery times are reduced, the drug delivery lasting period is long, and the weed damage to the paddy field in whole growth period can be effectively controlled by medication once.

Description

technical field [0001] The invention relates to a herbicide composition, in particular to a high-efficiency herbicide for rice dry seedbeds. Background technique [0002] Rice is the largest food crop in my country. There are many types of weeds in paddy fields, and the types of weeds are different in different regions. There are more than 200 species of weeds in rice areas across the country, of which there are about 40 common and serious weeds. Among the main weeds, barnyardgrass has the largest occurrence and damage area, followed by heteromorphous sedge, bermudagrass, flat stalk grass, daughter of a thousand gold seeds, and spinach. The main weeds in the one-cropping rice area in the middle and cold temperate zones of Northeast and Northwest China include barnyardgrass, flat stalk, Japanese sage, cow felt, eye spinach, yujiuhua, firefly rush, bermudagrass, Spirogyra, etc. The main weeds in the one-season rice area in the warm temperate zone of the North China Plain inclu...

AI Technical Summary

Problems solved by technology

And usually paddy field herbicides all have strong selectivity, good weeding effect to a certain family weeds but very poor to another family weeds weeding effect, so can only use multiple times, multi-species, multi-dose medication, excessive and the abuse of pesticides have brought negative impacts such as rice quality decline and environmental pollution, and increased the cost of medication