Greenhouse aubergines and peppers are prone to white peony disease in the greenhouse environment conditions, such as inadequate control, from 10% to 15% reduction in production, weight reduction is more than 30%, the prevention and treatment methods are introduced as follows: Harmful symptoms of eggplant and pepper, early In the base of the stem, the lesion was light brown, followed by dark or rot, with a long white layer of fungus on the surface, and a brownish brown rapeseed-like sclerotium in the later period. The sclerotium is overwintering in the soil and the cultivation in the open season in the rainy season is serious. The cultivation of greenhouses is prone to occur because the humidity exceeds 85%. Control methods 1. Rotation and soil disinfection, the implementation of a three-year rotation system, apply 50-100 kg of slaked lime per 667 square meters, adjust the soil pH to neutral or slightly alkaline. 2. Strengthen field management, remove diseased plants, and carry out field burns. 3. Chemical control. At the time of onset, the pentoclonitrobenzene soil was applied to the base and around the plants, and 70% of pentachloronitrobenzene was used for soil and medicine, 0.5 kg of pentachloronitrobenzene and 15-25 kg of wet fine soil were used. Every 667 square meters of pentachloronitrobenzene 1.0- 1.5 kg, once in 15 days, 2 consecutive times. Can also be used 50% Johnson-ammonium 800-1000 times, 25% triadimefon (triadimefon) WP 2000 times Irrigation. At the same time, it can be used in conjunction with spraying Yunda 120, with 20 ml of mu, 50 kg of water, and better disease resistance.
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