The main diseases of peach trees in greenhouses are scab, perforation, and gum disease; the main pests are aphids, leafhoppers and leaf miners. For prevention and control of diseases and pests in greenhouse peaches, prevention should be the main method, based on the prevention and control of dormant seasons, to reduce the source of infection. Pre-flowering and post-flowering are key stages of prevention and control, but they cannot be taken lightly. During the dormant season, after the winter cut, the orchards are strictly cleaned and the dead branches and leaves are burned or buried deeply. Before the temperature rises, sprays of 200 times 9281 plus 1000 times of the insects are sprayed; 65% of sodium pentachlorophenol is sprayed for about 1 week after the temperature rise (scale cracking period). 250 times or 3-5 Baume lime sulfur. About one week before the growing season, when it is used for flowering bells, it is sprayed 1000 times with Kedemanga 2000 times liquid to remove the sweeping or 2000 times liquid once. The flowering period is as serious as the locusts, and the smoke can be smoked in the shed. Usually no more than 6 hours; one week after flowering can use 1000 times chlorothalonil solution or thiophanate-methyl 1000 times plus 4000 times the Qi Qi prime garden spray; after fruiting, alternate interval 2-3 weeks can be sprayed 50 % of carbendazim 500 times, 70% of thiophanate-methyl 1000 times, and 72% of metoclopramide 1000 times. For the purposes of pest control, a fungicide can be added to spray the fungicide. When the leaf miner is picked after the fruit is harvested, it can be added doubling urea No. 3 1500 times, and can also be interspersed 1:3.5: 240 zinc sulfate lime solution can effectively control various pests and diseases.
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