A method for simultaneous prevention and control of jujube fruit cracking and fruit shrinkage diseases
A technology of cracking and shrinking fruit, which is applied in the direction of fertilization, calcium fertilizer, application, etc., can solve the problems that jujube trees cannot significantly reduce the diseased fruit rate, the control methods are not comprehensive enough, and the production and application effect is not reasonable, so as to improve the fruit. quality, enhanced infectivity, and inhibition of germination and invasion
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[0014] On June 22, weigh 30kg of potassium sulfate and 5kg of manganese sulfate respectively, mix them evenly, and make them into soil for fertilization. Use circular furrow fertilization for soil fertilization, and apply them to the concentrated distribution layer of roots under the tree crown at one time, and water them after application. , the dosage is 1kg / plant (20-year-old jujube tree). On July 10, weighed 9g of calcium chloride, 30g of 80% mancozeb, and 30g of 2‰ 6-BA and added them to 29.931kg of water to make pre-conditioning agents, and sprayed them on the leaves in the morning or evening; July From the end of the ten days to the beginning of September, the post-conditioning agent is prepared. The 30kg post-conditioning agent contains 9g of calcium chloride, 30g of 80% mancozeb, 30g of 20% NAA, and 150g of sodium silicate (need to be dissolved separately), and make up to 30kg with water. Spray intervals of 10-15 days, spray 3-4 times, choose to spray in the morning a...
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