Fir weedicide

Abstract

The invention discloses a fir weedicide which comprises the following raw materials in parts by weight: 15-25 parts of metsulfuron-methyl, 1-2 parts of preservative, 5-7 parts of abstergent, 10-20 parts of thiocarbamate, 20-30 parts of isatis root, 6-10 parts of dodder, 3-5 parts of isoproturon, 15-25 parts of bensulfuron-methyl and 20-40 parts of water. The fir weedicide can kill weed in the weed sprouting period, has small chemical injuries to firs, and does mot influence the growth and development of the firs.

Description

technical field [0001] The invention relates to the field of crop disease and insect pest prevention, in particular to a Chinese fir herbicide. Background technique [0002] Pesticides are used to kill insects, fungi, and other organisms that harm crop growth. The earliest pesticides used were DDT, BCH, etc. They can eliminate pests in large numbers. However, they have good stability, can exist in the environment for a long time, and accumulate continuously in animals, plants and humans, so they are eliminated. Later, organophosphorus pesticides, such as dichlorvos, were used instead of the original pesticides. However, they contain phosphorus, which can easily cause eutrophication of aquatic organisms. In recent years, a batch of high-efficiency and low-toxic pesticides have appeared. Now people have found specific pesticides, namely hormone pesticides. Most of the pesticide residues used by people today are harmful to crops. The present invention has significant effects...

AI Technical Summary

Problems solved by technology

However, they contain phosphorus, which can easily cause eutrophication of aquatic organisms