How to treat the disease of prickly ash tree?

In the process of pepper planting, the most important thing to pay attention to is the prevention and control of diseases and insect pests. So, how to treat pepper tree diseases?

1. How to cure the disease of pepper tree

1. Root rot

In April, when the pathogen begins to infect, the mature trees can be irrigated with 300~800 times solution of 15% triadimefon wettable powder or 250 times solution of Genpujing, which can effectively avoid the occurrence of diseases. The diseased prickly ash garden shall remove the dead plants and diseased roots, and destroy them in a centralized manner to reduce the accumulation of pathogenic bacteria in the prickly ash garden.

2. Rust

At the beginning of June, spray 1∶1∶100 Bordeaux mixture to prevent the occurrence of disease. For the diseased plants, 1∶2∶200 Bordeaux mixture, 15% triadimefon WP 1000 times solution, 65% mancozeb WP 400~500 times solution, etc. can be sprayed. In late autumn, the garden is cleared, and after the pepper leaves are harvested, the diseased branches are cut off, the leaves are cleaned, and the centralized treatment is carried out to reduce the source of germs.

3. Brown spot disease

At the early stage of disease, 50% mancozeb wettable powder 500-800 times solution, 509% thiophanate-methyl wettable powder 500-800 times solution or 509% carbendazim wettable powder 600-800 times solution are sprayed. Starting from the next sentence in May, spray once every 10-15 days for 3-4 consecutive times, and reapply once before and after the beginning of autumn, and the disease prevention effect is better.