What pesticides do fruit trees use in spring

Spring is the time for the recovery of all things, and after a whole cold winter, all species begin a new cycle in spring. At the same time, spring is also the best time for transplanting and cultivation of fruit trees, when the fruit trees planted in this season are easy to survive and have relatively few diseases. So what kind of pesticides do fruit trees use in spring?

What pesticides are used by fruit trees in spring

Spring is a good time to control fruit tree diseases and insect pests before and after flowering, because all kinds of bacteria and pests become active after dormancy, their resistance to drugs is poor, and the leaves are not germinated, unsheltered, easy to apply, and fruit trees will not cause drug damage, so they should be prevented and treated by 'medicine bath' in time. The main pesticides used are acetaminophen 600-800 times, chrysanthemum vinegar 2500-3000 times, stone-sulfur mixture, Jingxiu stone-sulfur mixture and so on.

II. Methods of using pesticides in spring

Pre-anthesis control: 1. Spraying 5 Baomei stone-sulfur mixture at a time can control fruit tree rot, inhibit the reproduction of overwintering red spiders, and has obvious effect on the control of leaf rollers and shell insects. It can also be sprayed with 40% Fumi arsenic 100 times solution. 2. Prevention and cure after budding. Spraying 45% Jingxiushi sulfur mixture 150 times 200 times, or spraying 3% Bomedo stone sulfur mixture plus 50% 1605 EC 1000 times liquid, it can kill more than 90% of red spiders and fungal spores such as powdery mildew and deciduous leaf disease that overwintered in buds, and can also control beetles and aphids. 3. Prevention and control before flowering after germination. Spraying 1500 times of 1605 EC or 1200-1500 times of dichlorvos, or 2500-3000 times of dichlorvos and chrysanthemum vinegar had obvious control effect on insect pests and rot.

Prevention and control after anthesis: 1. After anthesis, the stone sulfur mixture of 0.3-0.5 Baume can be sprayed to control leaf and fruit diseases and red spiders. It can also spray 2500 to 3000 times liquid, which can not only control red spiders, but also kill the eggs of leaf-eating insects and heart-eating insects. 2. 10-15 days after anthesis, Bordeaux solution at 1:4:20 (1 kg of copper sulfate, 4 kg of quicklime, 20 kg of water) or 40% carbendazim and carbendazim 800 times of carbendazim and carbendazim can be sprayed 10-15 days after anthesis to prevent and cure leaf fall, anthracnose and brown spot which are easy to occur in rainy and high temperature. 3. The use of thiamidophos and dichlorvos is strictly prohibited one month after flowering.

The above is some related knowledge about the use of pesticides to control fruit tree diseases and insect pests in spring. When spraying pesticides, we must take protective measures to avoid pesticide poisoning.