Jujube has many types of pests and diseases. The leaf-eating pests from June to July include jujube, jujube, and jujube, and jujubes and juveniles, which are harmful to jujube and young fruit, have pests. Small food heartworm; after mid-July, the main disease is jujube rust; after August to harvesting period, the main pests and diseases are jujube fruit disease, jujube rust disease, and peach heartworm.
The occurrence and harm of the above-mentioned pests and diseases are often caused by several pests and diseases in a jujube garden. Therefore, comprehensive consideration should be given to prevention and treatment, and efforts should be made to treat several pests and diseases once, minimize the number of medications and reduce the dosage, and improve the control effect. .
In the first half of June, 500 g of 1605 microcapsules was dissolved in 2.5 kg of water, and then 150 kg of fine soil was added to make toxic soil. Then the poisonous soil was evenly sprinkled under the canopy, and each plant was sterilized by 10 to 12.5 kg. It is also possible to use 150 g of 1605 microcapsules and 150 kg of water, evenly spray the canopy under the surface, and then gently rub the topsoil with the rapeseed.
From the first to the middle of July, the mixture of 6000% of the pyrethroid and 600-300 times of the sulphate and 300 times of the potassium dihydrogen phosphate was sprayed to prevent the peach worm and the jujube turtle.
From late July to early August, the tree was sprayed with 1605 microcapsules 1000 times plus 1:2:300 mixture of Bordeaux mixture to prevent jujube rust and second generation peach worm.
It is necessary to pay attention to the strict control of the spraying time, the appropriate selection of the agent, the concentration of the liquid should be accurate, and blind spraying is strictly prohibited. When spraying, it is necessary to go up and down, first and then, spray around the canopy to achieve a comprehensive, uniform, branching spray, leaves are full of mist. Only in this way can we achieve good control results.
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