Eggplant plague is a fungal disease caused by Phytophthora sojae, which has a great influence on the growth of eggplant. The following methods can be used to prevent and control the pesticide bactericide .

1. Selection of resistant varieties

Such as Xingcheng purple round eggplant, Guizhou winter eggplant, Tonglian No. 1, Jinan early small Changru, bamboo silk eggplant, Liaosu No. 3, Fengyan No. 11, Qingxuan No. 4, Qingxuan No. 4, Laolai Black, etc. .

2. Strengthen management

It has been rotated for more than 2 years with non-solanaceae and cucurbit crops. Choose high-dry plots to grow eggplant and deepen the land. It is cultivated with sorghum and covered with mulch to block the spread of pathogens in the soil to the shoots and promote root development. Eliminate stagnant water in time after rain. Apply sufficient organic fertilizer to prevent high temperature and high humidity. Increase the application of phosphorus and potassium fertilizers to promote robust growth of plants and increase plant resistance. Timely pruning, harvesting at the right time, found that the diseased fruit, diseased leaves were removed in time, concentrated deep burial.

3. Chemical control

In the early stage of the disease, it can spray 56% azoxystrobin chlorothalonil 1500 times solution, or 58% metalaxyl · manganese zinc wettable powder 500 times solution, or 50% Anke manganese zinc wettable powder 500 times solution, or 70% Baide rich wettable powder 600 times liquid, or 72% gram dew (Cream cyanide) wettable powder 800 times liquid, or 52.5% fast water purification dispersible granules 2000 times liquid, or 72.2% Plex water agent 500 times Liquid, or 25% metalaxyl WP 500 times solution, or 50% nail cream copper WP 500 times solution, or 40% ethyl phosphorus aluminum WP 250 times solution, or 30% DT suspension 400 times solution , or 64% antivirus WP 400 times solution, or 70% mancozeb WP 300 times solution, or 75% chlorothalonil WP 600 times solution, or 30% carbaryl carbendazim 1500 times Liquid, etc. The spray should be even and thoughtful, with a focus on protecting the eggplant fruit. Generally, spray once every 7 days, and spray 2 or 3 times.

Eggplant plague is commonly known as "dropping eggs" and "water rot". It occurs in all parts of the country. Eggplants can be affected at all stages of growth. The loss can reach 20-30% or even more than 50%. It is one of the main diseases of eggplant, so it must be selected. The correct fungicide controls the disease in time.

More pesticide knowledge , please pay attention to China Pesticide Network

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