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Second, prevention and control measures
1. Use resistant varieties. The disease resistance of different species to M.grisea is very different. Compared with disease resistant varieties, there are Yuejiao No.2, Guangdong Youhong Vine, Fujian Naizi Vine, Hebao Vine, Xingcheng Purple Vine, Luonan Zaochang, Sichuan. Monkey eggplant, Liaoqie 3, Beijing round eggplant, 9318 long eggplant and so on. When eggplant is preserved, the species of eggplant must be selected from the eggplant plant above the eggplant. Generally, the eggplant should be kept at a height of 25 cm or more to reduce germ infestation and prevent seed germs.
2. Clean the pastoral. After the harvest of eggplant, pepper, tomato, potato, etc., it is necessary to promptly remove the residue from the vegetable garden, clean the pastoral land, and plough the land. In the growing season, the diseased branches, diseased leaves, and diseased fruits taken out of the vegetable garden must be burned.
3. Implement rotation. Arrange for a good mouthful, and avoid continuous or adjacent planting of solanaceous and cucurbitaceae vegetables. Normally, three years or more will be used to implement the system of crop rotation and ridge cultivation or hillside planting will be encouraged.
4 carefully selected, scientific fitness cultivation. Choose high-drainage, well-drained sandy loam, and adopt a deep ditch sorghum method for fine soil preparation; according to different species, scientific and reasonable dense planting, such as Fujian Natsea eggplant, etc., 1300-1400 strains per mu, reduce field humidity, reduce bacterial invasion Apply basic fertilizers, increase phosphorus and potash fertilizers, apply fertilizers in a timely manner, apply scientific fertilization to enhance plant disease resistance, drain water in time and reduce the humidity in the field; cultivate early, plant seeds in advance in mid-September and sow in August 20, and strive Solanaceous fruit began to be marketed in early December of that year, avoiding the results of the rainy season from April to May, or using rain shelters to prevent April-May rain; when high temperature and high humidity, the film was pulled around in a timely manner to reduce humidity and reduce the occurrence of diseases.
5. Reasonable use of Pesticides. After the eggplant is planted, the 70% seedling zinc 500 times liquid is sprayed to protect the seedlings. During the result period, especially before the rainy season, spraying should be performed to prevent the occurrence of diseases. In the early stage of disease, the diseased plants should be immediately removed, burned and sprayed for protection. The agent can be used 64% antivirus, 58% methothenic manganese zinc 500 times, 72% manganese zinc sulphur urea (Kelu) 600 times, 69% manganese zinogen (ank manganese) 800 times spray control , The effect is good, 1 to 7 days to prevent and cure 1, depending on the disease prevention and treatment 3-4 times, in order to prevent the emergence of drug resistance, the drug must use different types, and implement alternately.
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Occurrence and Prevention of Eggplant Mushroom Disease
First, the main symptoms Eggplant Mottemia disease commonly known as rotten eggplant, mainly harm the fruit. Fruit on the ground is firstly attacked. It begins with water spots and small round spots. It expands to the entire fruit. The lesions are slightly sunken, yellowish-brown or dark brown. The flesh is blackish brown and rots easily, and the surface of the disease department grows thick when the humidity is high. White cotton flocculent mycelium rapidly spreads and quickly decays; tender stem disease produces dark green or purple brown water-stained lesions, leaf wilting, and tender shoot tip breaks easily. Ten of the victims suffered from irregular or near-circular water-stained brown lesions, with a pronounced ring veins, and sparse white molds at the lesions in the wet.