Peach trees are easy to plant, but their resistance to diseases and insect pests is weak. They are most vulnerable to locusts, red spiders, and long-lived cows. They are also prone to brown spot disease, leaf defoliation, and trunk-flow gum disease. Peach trees need to be controlled at various growth stages. The pests and diseases are described below for reference.
First, from December to March, the dormancy period of peach trees: The main task of the dormancy period of peach trees is to clear the gardens, eliminate overwintering pests, and reduce the risk of pests and diseases in the coming year. Cut off the branches of ulcers, diseased branches and stalemates on the trees, remove dead branches, fallen leaves, weeds, diseased fruits, and diseased branches. Scrape rot rot and branches and old skin, apply antiseptic to protect. The whole garden is sprayed with lime sulfur. Mainly for rot, brown rot, and scale insects.
Second, from March to April before the peach sprout to flowering: peach sprouts to pre-flowering this phase of the main prevention and treatment of peach perforation, leaf atherosclerosis, aphids. Can be sprayed with 25% deltamethrin 500 times solution + fungicide, the effect is good. In order to prevent the damage of the tree vigor and the supply of nutrients due to pests and diseases, spray “Melon and Zhuang Turingâ€+0.3% Urea+0.3% Potassium Dihydrogen Phosphate before flowering, young fruit, and fruit enlargement. If it is, increase the fruit setting rate.
3. During April to May, the growth period of the peach tree shoots: During the growing period of the peach tree shoots, the damaged shoots should be removed in time and burned to eliminate the small larvae. During this time, it mainly controlled peach brown rot, perforation, anthrax, aphids, pear borer, leaf leafworm, leaf miner and red spider. It can be controlled with 72% agricultural streptomycin 3000 times plus 0.5% abamectin 3000 times spray.
Fourth, May to June Peach fruit growth and development period: the growth and development of young peach fruit This period is the first adult stage of P. rapae. It is the adult stage of P. edulis overwintering and timely prevention and control is the key. Can be used 40% Fuxing 8000 times plus 20% worms special 1200 times plus Bo Calcium 1200 times for prevention.
V. June-July Peach mature early maturing varieties: During the maturing stage of peach early maturing varieties is the second adult stage of Pyrosphaeridae, hatching larvae begin to harm the fruit, is the focus of spraying control. In addition, brown rot, perforation, scab, red spider, peach aphid, leaf leaf moth, aphids, and scale insects are also harmful to peach trees. The control method can be sprayed and controlled with 70% methadone 1200 times and 20% avermectin 8000 times.
In July and August, mature peach cultivars: The ripening stage of mid-mature peaches is also the third-generation adult stage of P. edulis, and it is the first adult stage of P. rapae. It needs timely prevention and treatment to avoid Harm to fruit. At the same time, it is brown rot, perforation, anthrax, cotton bollworm, peach aphid, and spider mites. Prevention and control measures can be used 70% dexamethasone 600 times plus 5% fluvoluril 2,000 times or 3% avermectin 700 times plus 90% Wanling powder 3,000 times to spray pest control pests.
July-October to October Late-maturing varieties of peach trees: During maturation of late-maturing peach trees, they mainly control brown rot, anthracnose, leaf miner, pear borer, peach aphid, leaf aphid, cockroach and other pests and diseases. The spray control can be carried out using 70% platinone 1200 times plus 22% killing 1200 times.
8. From October to December, peach trees were harvested until dormancy: Peach trees after harvest mainly controlled perforation and fluid injection. The whole park can be disinfected with a spray of lime sulfur to control the perforation. For peach trees, curettage is applied by scraping off the smear and disinfectant.
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