Fruit tree spring "bath" pests have nowhere to escape

Before and after flowering of fruit trees in spring, it is an opportune time to control pests and diseases. During this season, various germs and pests begin to become active after winter dormancy. The resistance to drugs is poor, and the leaves are not germinated, no shelter, easy to apply, and fruit trees will not In case of phytotoxicity, prevention and control of “medicine bath” should be carried out in time.

Pre-harvest control: Spray Baume degree lime sulfur in time to control rot disease and inhibit the wintering propagation of red spider, which has a significant effect on the prevention and treatment of bronchogenic diseases, leaf roller insects and scale insects. It can also spray 40% of Asabe 100 times liquid.

Post-harvest control: 1. After the flower can continue to use 0.3 ~ 0.5 Baume degrees of lime sulfur agent, prevention of leaf disease and spider mites. Can also be used 2500 ~ 3000 times the kung fu, extinction sweep, can prevent red spiders and kill leaf insects, carnivore eggs. 2. Bordeaux mixture (1 kg copper sulfate, 4 kg quick lime, 20 kg clear water) or 40% carbendazim and 600 to 800 times tetromycin can be sprayed within 10 to 15 days after flowering. Prevention of the occurrence of leafy disease, anthrax, and brown-blight disease that are prone to high temperatures and high temperatures. 3. Use of thiamin is strictly prohibited within 1 month after flowering.