Since China launched the High-toxicity Pesticide Substitution Test Demonstration Project in 2005, the Ministry of Agriculture has successively recommended four batches of “organophosphorous, parathion, methyl parathion, monocrotophos, and phosphine, etc.” organophosphorus high toxic pesticides. The variety of highly toxic pesticides is a variety of pharmaceutical agents. Among the alternative pesticides for controlling vegetable pests are the following:
Aphid imidacloprid: The recommended dose is 1 to 2 grams of active ingredient per acre (below). Acetamiprid: A recommended dose of 0.45 to 0.6 grams of active ingredient is recommended. Pyripidone: The recommended dose is 5 grams of active ingredient. Pyrethrin: A recommended dose of 1.8 grams of active ingredient is recommended. Matrine: A recommended dose of 0.4 grams of active ingredient is recommended. Chlorothiophene: The recommended dose is 2 grams of active ingredient. The above agents are sprayed at the beginning of the worm's inception.
B. tabaci imidacloprid: The recommended dosage is 2 g of active ingredient. Bifenthrin: A recommended dose of 0.75g of active ingredient is used for spray application at the onset of B. tabaci. Acetamiprid: A recommended dose of 2.5 grams of active ingredient is recommended. Thiamethoxam: It is recommended to use a dose of 4 grams of active ingredient and apply the spray at the beginning of the nymph.
Tribolium chlorfenapide: The recommended dose is 5 grams of active ingredient. Furanninamide: The recommended dose is 6 grams of active ingredient. Indoxcarb: The recommended dose is 2.4 grams of active ingredient. Hexaflubenzuron: The recommended dose is 2.5 to 3.5 grams of active ingredient. Chlorpyrifos: The recommended dose is 20 to 24 grams of active ingredient. Emamectin: The recommended dose is 0.3 to 0.5 g of active ingredient. It is recommended that the beet armyworm be sprayed at a low age (before the larval 2nd instar). Tebufenozide + Chlorpyrifos: A recommended dose of 24 grams of active ingredient (4 grams of tebufenozide + 20 grams of chlorpyrifos) is recommended. Flubendiamide: A recommended dose of 3 grams of active ingredient is used in the beginning of the Spodoptera exigua, and most larvae are evenly sprayed when they are below 2 years of age.
Plutella xylostella avermectin:
The recommended dose is 0.15 to 0.25 grams of active ingredient. Fipronil: The recommended dose is 1 to 2 grams of active ingredient. Chlorfenapyr: The recommended dose is 3.35 to 5 grams of active ingredient. Indoxcarb: The recommended dose is 3 grams of active ingredient. Insect phthalonitrile: The recommended dose is 5 to 6 grams of active ingredient. Flubendiamide: The recommended dose is 3 grams of active ingredient. It was sprayed on eggs of hatchback moth hatching to 2nd instar larval stage.
Scorpion chlorpyrifos: The recommended dose of 160 grams of active ingredients, when the early symptoms of leek (leaves yellow soft, lodging), diluted with water, evenly poured in the leek root. Diazoxide: It is recommended to use a dose of 400 grams of active ingredient. When the early symptoms of leek are mixed, the granules will be mixed with soil, mixed and spread, and then watered after application to ensure efficacy. Cimetidine: A 30 g active ingredient is recommended. Phoxim: A recommended dose of 480 grams of active ingredient is recommended. When the early symptoms of the leek were diluted with water, the lecithin was uniformly poured on the root of the leek.
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