Pepper rot is mainly harmful to fruits. Fruit onset, water-soaked spots in the early stage of the disease, rapidly expanding into brown water-immersed large lesions as the disease progresses. When heavy, the diseased part can be extended to half or even the whole fruit, which is wet and rotted. Mildew layer.
In the seedling stage, the adult stage can be affected. At the seedling stage, the base of the seedlings rots and collapses and dies. The adult stage is mainly harmful to the fruit. The fruit is affected, the diseased part is brown and wet, and when the humidity is high, the disease minister has a white dense flocculent layer. When the weight is heavy, the whole fruit will eventually rot.
Control method
(1) Choose a land with high dryness and good drainage. The terrain is low and should be cultivated with high sorghum, preferably covered with film.
(2) Pay attention to the density, not too dense, early scaffolding, pruning and playing right, moderately hit the old leaves of the lower part of the plant to reduce the humidity between the plants.
(3) Reasonable fertilization, avoid partial application, excessive application of nitrogen fertilizer, increase of potassium fertilizer, and drainage after rain to ensure that there is no water on the ground after rain or irrigation.
(4) In the early stage of the disease, the drug can be treated with 25% metalaxyl WP 800 times solution, or 64% anti-bacterial WP WP solution, or 40% Ethyl aluminum WP 300 times solution, or 58% A. Frosting Mn-Zn wettable powder 500 times solution, or 72.2% Plex water agent 600 times solution, or 72% gram dew WP 500 times solution, or 77% can kill wettable granule powder 600 times solution, or 30 % green gelatin suspension.
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