MySheen

What pesticide does wheat rust use?

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Wheat rust is not only one of the common diseases of wheat, but also the most harmful disease, so what kind of pesticide is used in wheat rust? What is wheat rust? wheat rust is a disease that occurs mainly in leaves, leaf sheaths, stems and ears.

Wheat rust is not only one of the common diseases of wheat, but also the most harmful disease, so what kind of pesticide is used in wheat rust?

What is wheat rust

Wheat rust is a disease that occurs mainly in leaves, leaf sheaths, stems and spikes. Chlorotic spots appear at the initial stage of the disease, followed by reddish-brown pink blisters (summer spores). The summer spores are small and orange-brown, scattered irregularly on the leaves, and will grow black broad oval to long oval and buried under the epidermis on the back of the leaves and stems in the later stage. these winter spores tend to be arranged longitudinally according to the straw.

Wheat rust can be divided into stripe rust, leaf rust and stem rust. In China, the three kinds of rust are infected by summer spores generation by generation on crops such as wheat to complete the annual cycle.

Generally speaking, there are more Rain Water in autumn, winter, spring and summer, the area of susceptible varieties is large, the amount of bacteria source is large, the occurrence of rust is serious, and vice versa.

What pesticides are used for wheat rust?

15% vermicellin wettable powder, 20% strychnine EC and 25% strychnine wettable powder can be sprayed on wheat with water. If the condition is more serious, the dosage can be increased as appropriate.

In addition to medication, wheat rust can also be controlled by these methods:

1. Ploughing and killing stubble in time after wheat harvest, eliminating authigenic wheat seedlings and reducing the source of oversummer bacteria.

2. Do a good job in the rational distribution of disease-resistant varieties in the region and cut off the transmission route of bacterial sources.

3. Planting disease-resistant varieties according to local conditions is the basic measure to control wheat rust.

In the land where autumn seedlings suffer from severe disease all the year round, seeds can also be mixed with 15% vermicellin wettable powder 60g 100g or 12.5% Supra wettable powder before sowing.

 
0