Prevention and treatment of pepper blight

August 27 10:04:39, 2022

Symptom: Damage to the aboveground part. Dark brown to black on stems and branches, inconspicuous edges, local necrotic spots. The leaf spot is dark green and round, and the edge is not obvious. When wet, the lesion spreads rapidly and the whole leaf is soft and rot. When dry, the lesion stops expanding and the edge is obvious. The fruit starts from the pedicle, dark green, water-stained, the edge is not obvious, and the fruit grows sparse white mold.


Control: 25% syphilis 800-1000 times solution, 58% leidomite manganese zinc 500 times solution, 75% chlorothalonil 600 times solution, 70% mancozeb 500 times solution, 64% anti-virus 矾 500 times Liquid and 72% gram of dew 800 times solution, 30% green to ensure 300 times liquid spray. The shed can be smoked or dusted. In the early stage of the disease, 45% chlorothalonil aerosol is used, 250-300 grams per mu, or 5% chlorothalonil dust, 1 kg per mu, once every 9 days. 2 to 3 times.
Huaxian Agricultural Technology Promotion Center: Li Dongxia
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