How to treat eggplant cotton blight
The pathogen of eggplant cotton blight is parasitic Phytophthora, which is serious under the condition of high temperature and humidity. The stem base of seedlings and large seedlings showed water stains at the initial stage, and then became dark green or purplish brown, and the diseased part was constricted. Prevention and control techniques: take measures such as selecting disease-resistant varieties, soaking seeds in warm soup, planting ridges, controlling humidity and so on. At the initial stage of the disease, 50% nail cream, manganese zinc wettable powder 500 times or 72.2% aldicarb hydrochloric acid salt 800 times were sprayed.
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Comprehensive techniques of fertilization for eggplant
Eggplant is an annual herb and perennial shrub in the tropics. The root system of eggplant is well developed, the root depth of adult plant is more than 1.5 meters, and the transverse diameter of root system is more than 1 meter. The root system of eggplant cultivated in protected field is mainly distributed in the plough layer of 30 cm. Eggplant root system has poor regeneration ability and early Lignification, so it is not suitable for multiple transplants.
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Timely topdressing of eggplant can prolong the harvest time
After a large number of flowering and fruiting, the absorption function of the root system gradually decreased, resulting in a decrease in the amount of flowering and fruiting, shortening of the flowering and fruiting period, and a substantial decrease in yield. Only by strengthening management, delaying plant decline and ensuring continuous flowering and fruiting of eggplant, can the harvest time be prolonged. Fertilize in time. After the eggplant blossoms and bears fruit, every.
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