MySheen

How does Opa work on wheat?

Published: 2024-11-05 Author: mysheen
Last Updated: 2024/11/05, Spraying OPA 50ml/ mu with water at the initial stage of wheat powdery mildew and rust can effectively control powdery mildew and rust by spraying twice with water consumption of 30-45ml/ mu according to the interval of 7-10 days. In the early stage of wheat flowering, 50ml/ mu of Opa was sprayed with water, and flowering occurred according to the development of the disease.

Spraying OPA 50ml/ mu with water at the initial stage of wheat powdery mildew and rust can effectively control powdery mildew and rust by spraying twice with water consumption of 30-45ml/ mu according to the interval of 7-10 days. Spraying OPA 50ml/ mu with water at the early flowering stage of wheat, and applying water for the second time at the flowering stage according to the development of the disease, with a water consumption of 30-45ml/ mu, can effectively control scab. After treatment, the effect is outstanding, and the leaves are thick and green, and the stems are stout.

What kind of pesticide is Opa?

Opa is another fungicide with Xerojian function for field crops in BASF, Germany, and its ingredients are pyrazolyl carbendazim and fluconazole. Fluconazole can be transmitted to the top of the plant through the xylem and has excellent internal absorption function, which can not only provide protection for the whole plant, but also kill the pathogenic fungi that have entered the plant; pyrazolyl methyl spreads nearby over time and permeates into the plant. provide effective protection for the whole leaf.

Opa can effectively control wheat powdery mildew, rust, scab, rice false smut, sheath blight, rice blast, as well as common leaf spot, leaf spot, brown spot and so on.

 
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