With the spring, the shadow of the frozen is not far away. This is an excellent opportunity. Now the pests are still in the recovery stage, the resistance is not strong, the fruit trees are just taking out the sprouts, the insects have nowhere to hide, and the pesticides are used in time. Give the fruit tree a "washing bath" to thoroughly solve the pest problem in the early days. Measuring Tape,Metric Tape Measure,Rolling Tape Measure,Metric Tape SHANGQIU CHAOYUE MEASURING TOOLS CO., LTD , https://www.calibrateds.com
First, the prevention and control before flowering 1, timely spraying a Bamei 5 degree stone sulfur mixture, can control the rot disease, inhibit the wintering breeding eggs of red spider, have obvious effects on the control of leaf curlers and scale insects. It can also spray 40% Fumei arsenic 100 times solution.
2. Prevention and treatment after germination. The orchard sprays 150-200 times of a 45% crystal sulphur mixture or a spray of 0.3 degree stone sulphur mixture plus 50% of 1605 emulsifiable concentrate 1000 times. It can kill more than 90% of red spiders and powdery spores such as powdery mildew and deciduous diseases that are overwintering in buds, and can also control chafers and aphids.
3. Prevention and control after germination and before flowering. Spray 1500 times 50% of 1605 or 80% dichlorvos 1200-1500 times liquid, enemy killing and pyrethroid pesticide 2500~3000 times liquid. It has obvious control effects on pests and rot.
Second, after the flower control 1, after the flower can continue to use 0.3-0.5 Baume degree stone sulfur mixture to control leaf disease and red spider. It can also spray 2500-3000 times of effort and eliminate sweeping, which can prevent and control red spiders and kill eggs of leaf-feeding insects and heartworms.
2, 10:10 days after flowering can spray 1:4:20 Bordeaux mixture (ie 1 kg of copper sulfate, 4 kg of quicklime, 20 kg of water) or spray 40% carbendazim, detoxification 600-800 times solution, Prevention of defoliation, anthracnose and brown hull disease that are prone to rainy and high temperatures.
3. It is strictly forbidden to use thiamine and dichlorvos within 1 month after flowering.