After the ban of five highly toxic pesticides such as methamidophos, it is necessary to screen a large number of effective alternative products. We have selected a number of partial replacement high-toxic pesticide varieties and supporting technologies through a large number of experimental demonstrations as follows: Spring Washer,wave spring washer,disc spring washer,helical spring washer Jiangsu Minglu Stainless steel Co.,ltd , https://www.minglufastener.com
For the control of rice whitebacked planthopper, 200-250 ml of 5% flumethrin water emulsion per acre, or 40-60 g of 10% nitenpyram wettable powder, or 3.2-4.8 g of 25% thiamethoxam water Dispersible granules, in the environment where the rice field has a water layer, are applied at the peak of the young nymphs of the whitebacked planthopper.
For the control of rice stem borer, 60-80 ml of 5% butene fipronil emulsifiable concentrate per 100 mu, or 100-125 ml of 20% tebufenyl emulsifiable concentrate, or 100-125 ml of 25% quetiapine emulsifiable concentrate, in rice The application of phlegm and egg hatching at the peak period achieves an ideal effect.
Control of Rice Borer, can be 60 to 80 ml per acre with 5% butene-fluoro-nitrile EC, or 60 to 80 ml of 5% suspending agent insecticide Fipronil in paddy borer eggs hatch administration peak effect it is good.
For the control of rice leaf roller, 50-60 ml of 5% butene fipronil emulsifiable concentrate per mus, or 50-60 ml of 1% carbaryl emulsifiable concentrate, or 200-250 ml of 5% flumethrin emulsifiable concentrate The hatching peak of rice leaf roller is applied to the peak of 1.2-year-old larvae.
For the control of rice planthoppers, 3.2 to 4.8 grams of 25% thiamethoxam water-dispersible granules per acre, or 50-60 ml of 5% butene-fiprozil emulsifiable concentrate, in the rice field with water layer, in rice The application of the nymphs at the peak of the young nymphs.
For the control of cotton aphid, 10 to 14 grams of 25% pymetrozine wettable powder can be used per acre to spray at the beginning of the aphid.
To control cotton red spider, 20 to 30 ml of 10% liuyangmycin or 40 ml of 73% gram of aglycan per acre can be applied at the peak of cotton red spider.
For the control of cotton bollworm, it can be used in the range of 500 parts per million to 625 parts per million, 75% thiosandrone suspension, or 25 parts per million to 3 parts per million. Fifteen of the 2.5% polychlortetracycline suspension, or 320 parts per million to 600 parts of 24% methoxyfenozide suspension, or 50 to 50 parts per million Seventy percent of the 5% hexaflumuron emulsifiable concentrate, or 10 parts per million to 12 parts per million of the 1% emamectin emulsifiable concentrate, has a significant effect on the control of the cotton bollworm in the hatching period.
Control citrus red spider, which can use 5% to 40 parts per million of 5% oxazolyl per acre, 15% to one hundred and sixty percent of a million, one hundredth of a hundredth Fifty to two hundredths of a hundred percent of 20% monomethyl hydrazine + 哒螨 ,, sprayed in the beginning of the citrus red spider, sprayed to the citrus leaves completely wet.
For the prevention and control of cotton blind mites, 750 parts per million of 45% of horseshoe sulphur phosphorus emulsifiable concentrate can be used in the nymphal stage of cotton mites.
For the control of wheat aphids, 10 to 15 ml of 4.5% beta-cypermethrin emulsifiable concentrate per acre, or 30 to 40 ml of 20% thiosulfate emulsifiable concentrate, can be applied in the wheat field at the beginning of the aphid (approximately 500 plants per plant).
For the control of vegetable Plutella xylostella, 50% to 60 grams of 10% chlorpyrifos suspension can be sprayed per acre, 50 kg of water is sprayed once, and the effect is good in the young larvae of Plutella xylostella (before larvae 2 years old).
For the control of citrus scale insects (Yanjianyu, red wax mites), 30% of Nifedipine sulphur emulsifiable concentrate per mus can be used to spray the citrus scale insect larvae to the young nymphal stage to make the leaves completely moist.
Prevention and control of peach heartworm pests , or 1.8% avermectin EC per acre, or 200% to 250 parts per million of 40% chlorpyrifos EC, overwintering adults When the rate of fruit in the feathering period reaches 1% to 2%, the spray is applied, and the second medicine is applied 10 days after the medicine to control the harm of the peach heartworm.
For the control of vegetable beet armyworm, 50 to 70 ml of 5% hexaflumuron EC, or 50 to 60 ml of 4% chlorpyrifos EC, or 30 to 40 ml of 1% methyl abamectin EC, 50 Once sprayed in kilograms, these agents can be sprayed with the desired effect on the young larvae of the beet armyworm (the larvae before the age of 2).