Use pesticides to prevent the onset of summer silkworm
During the seeding period, the warmth and the warmth are still alternating in the south. In July, the sunshine is reduced, the rain is heavy, and the summer silkworm is very fast. It is necessary to grasp the characteristics of the weather and use pesticides to prevent and eliminate it. Floor Drain Strainer,Shower Drain Cover Strainer,Anti Odor Floor Drain Strainer,Stainless Floor Drain Strainer Kaiping City Jinqiang Hardware Products Co.,Ltd , https://www.jqfloordrain.com
According to the survey of mulberry pests and diseases in the first half of last year, the amount of wintering mulberry, mulberry and mulberry caterpillars was large this spring, but it was rainy from early April to early May, and the climate was extremely abnormal, although the lepidoptera was temporarily suppressed. The occurrence of pests, due to serious water in the mulberry garden, mulberry trees are weak, especially mulberry gray mold, mulberry red rust, snails occur seriously, so this year's abnormal climatic conditions, it is easy to induce the emergence of mulberry pests and diseases. It is expected that after the control of Baiquan, the mulberry larvae will be dominated by wild silkworms, mulberry, mulberry and mulberry mosquitoes. The occurrence of mulberry caterpillars and mulberry scorpion will increase rapidly during summer silkworm rearing, especially mites can cause severe damage in the fall; mulberry red rust is still a major epidemic diseases, whether popular throughout the year depending on the length of plum flood season this year.
For the prevention of mulberry gardens by white boxing, the premise of summer silkworm breeding advocates local prevention and control, and 40% sangbao EC 3000 times (4ml/package) or 40% xin for short-acting effects on wild sericulture, mulberry and mulberry Phosphorus EC 1500 times (8.5ml / per pack) prevention and control, mulberry red rust prevention should be removed by hand and timely removal of diseased leaves; comprehensive control of pests and diseases after summer silkworm period, in order to effectively reduce mulberry density, should choose long-term effect The variety of pesticides. For mulberry caterpillars, mulberry scorpion, 60% double-effect phosphorus EC, 80% dichlorvos EC (12.5ml / per backpack), long-acting organophosphorus pesticides, scorpion with 73% acetylene EC (4ml / per backpack) .