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August is the ripening date of jujube fruit, which is the stage of high incidence of anthrax, brown patch, and fruit-cut disease. In addition to the timely prevention of sprinkling and sterilizing medicines in advance, if it is found that the species is a date, it should be promptly removed. Deeply buried to prevent germs from leaving the following year and continue to harm the dates. August was also the initial stage of the date rust (leaf disease). If yellow spots were found on the back of the leaves, it was the urease of the date rust, and it should be sprayed with 800 times of new high-fat film in time. During the control of defoliation, don't throw gardens and people can't shuttle between gardens. Because the breeding of defoliating bacteria is based on the humidity, the appropriate temperature and humidity, it will increase the reproduction of germs and the spread of germs. Wind-borne media and staff work in the field, driving the spread of germs. Therefore, in the prevention and control of defoliation, a slight oversight would have devastating consequences.
In the middle and late August, it is also the critical period for crack prevention fruit. If there is no occurrence of defoliation in the jujube garden, regular irrigation should be performed from the white mature stage, and timely supply water to the jujube fruit to increase the water content of the jujube fruit in advance. The rainy season can effectively reduce cracking.
August attention to prevent fruit cracking
August is the critical period for the growth and development of jujube fruit, and it is also the peak period for the spread of various pests and diseases. During the high temperature season, the leaves of jujube tree transpire and emit heat at the same time, it is easy to cause fruit rupture. In order to prevent cracking, we must provide a large amount of organic nutrients for the tree body, spray fruits and sturdies, increase the nutrient supply needed for fruit development, spray 500 times of new high-fat film sunscreen, waterproof transpiration, so that the normal expansion of jujube fruit And sugar coloring.