Experience of controlling peach diseases and insect pests in greenhouse
The main diseases of peach trees in greenhouse are scab, perforation and gummy disease, and the main pests are aphids, leaf mites and leaf moths. For the prevention and control of peach diseases and insect pests in greenhouse, we should give priority to prevention, based on the control of dormant season, and reduce the source of infection. Pre-flowering and post-flowering are the key periods of prevention and control, let alone be taken lightly.
In the dormant season, the orchards were strictly cleaned after winter pruning, and the dead branches and fallen leaves were burned or buried deeply; spray 9281 times and 1000 times of agricultural insects before heating up; spray 65% pentachlorophenol sodium 250 times or 3-5 Baomedu stone sulfur mixture about a week after heating (scale cracking period).
About a week before the growing season (bell flower time), spray 1000 times of liquid carbendan plus 2000 times of liquid to kill Surel or 2000 times of liquid to clean at one time; if aphids are serious during the flowering period, you can smoke the shed with aphid control agent, and the smoke time in the shed is generally no more than 6 hours. one week after flowering, 1000 times of chlorothalonil or 1000 times of methyl topiramate plus 4000 times of azithromycin can be sprayed throughout the garden. After setting the fruit, 50% carbendazim, 1000 times methyl thiophanate and 72% carbendazim 1000 times can be sprayed alternately at intervals of 2-3 weeks. In order to cure both diseases and pests, insecticide and acaricide can be added when fungicides are sprayed. When leaf miner occurs after fruit picking, 1500-fold solution of thiazuron 3 can be added. At the same time, it can also be interspersed with zinc sulfate lime solution of 3.5 and 240 zinc sulfate, which can effectively control various diseases and insect pests.
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Prevention and control of diseases and insect pests of peach trees in early spring
With the gradual warming of the weather in early spring, all kinds of peach diseases and insect pests began to recover, breed and multiply. The prevention and control of peach diseases and insect pests in early spring can effectively control the occurrence and spread of peach diseases and reduce the occurrence base of peach pests. Now the occurrence and harm of main diseases and insect pests in peach trees
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Skillful fertilization for planting peach trees with excellent fruit and high yield
The price of peach has been rising this year, which has aroused the enthusiasm of growing peaches, but don't forget to apply fertilizer skillfully when your income is high. Fertilizer is the basis of high yield, and it is the key to do a good job of fertilizing peach trees all the year round in order to have good fruit and high yield in the coming year. The utilization rate of nitrogen and phosphorus in peach trees is 50% and 50% respectively.
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