Analysis of the control effect of thiamethoxam on fruit trees
Thiamethoxam belongs to the second-generation nicotinic insecticides . It has the characteristics of fast action and long-lasting effect. It is often used to control a variety of pests such as aphids, planthoppers and spider mites. The method is briefly described as follows:
Control fruit tree pests
1. Control citrus leaf miner with 25% thiamethoxam 3000-4000 times solution or 25-33 ml per 100 liters of water (effective concentration 62.5-83.3 mg/l), or 15 g per acre (active ingredient 3.75 g) Spray.
2, control apple aphid with 25% thiamethoxam 5000 ~ 10000 times liquid or per 100 liters of water plus 25% thiamethoxam 10 ~ 20 ml (effective concentration 25 ~ 50 mg / liter), or 5 ~ 10 grams per acre ( Foliar spray is applied to the active ingredient of 1.25 to 2.5 g.
3. Control pear hibiscus with 25% thiamethoxam 10000 times solution or 10 ml per 100 liters of water (effective concentration 25 mg / liter), or 6 grams per acre orchard (active ingredient 1.5 grams).
4, the prevention and treatment of melon white powder è™± use concentration of 2500 ~ 5000 times, or 10 ~ 20 grams per acre (active ingredient 2.5 ~ 5 grams) for spraying.
Prevention and control of crop pests in the field
1. Control rice brown planthopper and white-backed planthopper in the water environment. At the peak of young nymphs, use 25% thiamethoxam water to disperse granules 3.2--4.8 grams, and evenly spray 50-60 kg of water.
2, control cotton thrips per acre with 25% thiamethoxam 13 ~ 26 grams (active ingredient 3.25 ~ 6.5 grams) spray.
3, prevention and control of tea false eye green leaf è‰ in the beginning of the nymph, the use of 25% thiamethoxam water dispersion granules 6--12 grams, evenly spray 50-60 kg of water.
For further pesticide knowledge, please pay attention to China Pesticide Network
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