Eggplant plague is commonly known as egg drop and water rot. It is common in all parts of the country. The eggplant can be harmed at all stages of growth. Loss of 20% to 30%, or even more than 50%, is an important disease of eggplant. The disease also harms vegetable crops such as tomatoes and peppers. Energy Conservation Green House Energy Conservation Green House,Energy Saving Greenhouse,Energy Efficient Greenhouse,Greenhouse Without Electricity Jilin Yidao Technology Co., Ltd , https://www.cniopticsqm.com
Symptoms: In the seedling stage, the base of the embryo is water-stained, which develops rapidly, often stumbles, causing the seedlings to die. In the adult stage, the leaves are susceptible, producing water-stained irregular lesions with obvious wheel marks, but the edges are not obvious, brown or purple-brown, and a small amount of white mold grows on the lesions when wet. The stem is damaged to form a water-stained contracture or break, and white mold. After the flower was stained, it was brown and rotten. The fruit was the most seriously damaged, and began to appear round spots with water-stained spots. The edges were not obvious. It was slightly sunken, from yellowish brown to dark brown. The flesh of the diseased part was dark brown and rotted. Under the condition of high humidity, there were white floc on the surface of the diseased part. The hyphae, the disease fruit easily swells or shrinks into a stiff fruit.
Control method 1 and non-solanaceae, cucurbitaceae crops for more than 2 years of rotation, using sorghum or medium-high sorghum cultivation, covering the mulch film, timely irrigation and drainage, applying full-fledged farmyard manure, increasing the application of phosphorus and potassium fertilizer, timely pruning, cutting off diseased fruit, diseased leaves , all have the effect of reducing the disease.
2 chemical control. Pesticide prevention and treatment should be early, the initial dose should be sprayed with one of the following agents: 40% aluminum triethylphosphinate wettable powder 200 times solution, 75% chlorothalonil wettable powder 600 times liquid, 58% metalaxyl manganese zinc wettability Powder 500 times solution, 64% antivirus WP 1500 times solution and 72.2% Plex water 800 times solution. Spray once every 7 to 10 days, even spray 2 to 3 times.