Large cherry seedlings need to be sprayed with pesticides for a certain period of time, so as to ensure the growth of cherry seedlings, how to spray them? The following small series introduces the technology of spraying large pesticides on pesticides.
Before germination, the whole tree was sprayed once with Bamei 5 degree stone sulfur mixture.
Spraying anti-disease drugs around June 10th. Can be selected as imported methyl thiophanate, 50% of Shanghai's multi-bacteria, Dasheng M-45, mancozeb and so on.
In late June and late July, the leaves were sprayed with 200 times of lime-type Bordeaux mixture, and Bordeaux was sprayed 2-3 times throughout the year. The pests are mainly resistant to red and white spiders. Also pay attention to the green blind cockroach, small volume, leaf miner, thorn moth. It can also treat the large cherry leaf-eating pests of the thorn moth Yantai.
Spray the 3-5 degree stone sulphur mixture before and after the filming of the facility. After picking the fruit, spray 1-2 times 70% mancozeb 500 times solution or 50% carbendazim 700 times solution.
From July to August, spray 2-3 times of lime equal amount of 200 times Bordeaux mixture. Caterpillars, moths and moths are used to control pyrethroids in larval stages.
More pesticide knowledge , please pay attention to China Pesticide Network
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