The "six to six no" principle of pesticide selection
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Principle 1: Select symptomatic and non-polluting drugs. Do not blindly select and use highly toxic drugs. Every kind of bactericide or insecticide has its scope of disease prevention and pest control, and on the basis of the right medicine, it is also necessary to consider the selection of pollution-free pesticides. At present, common symptomatic and non-environmental pesticides such as: prevention and treatment of rotenus rot disease, there are many internal absorption Bacillin, jinggangmycin, thiophanate-methyl, chlorothalonil, etc., protective mancozeb zinc (best for Dasheng, Pike, etc.), iprodione (promethine), thiram, and fungicides Special, Bordeaux fluids, etc.; B, Al, B (ineffective against rotten fruit), mancozeb (Dasheng, Phoebe, etc.), Polyanamycin (polyoxin, polyoxorubicin) ), Bordeaux fluid, tetromycin, chlorothalonil, iprodione (promethoprim), etc.; prevention and control of apple leaf roller moth, cotton bollworm, peach borer and other food poisoning of dead leaves (also known as music, also known as Treatment of cottonseed mealybugs and Cornelian mealybugs, green-blind oysters), diaziphos (agricultural music), BT biocides, metodicarb (all), chrysanthemums (cypermethrin, etc.); There are avermectin and triazotin in apple red spiders and two-leaf spiders (white spiders), diflubenzuron and triflumuron in the control of leaf miners. The control of Tetranychus urticae with konjac (broom broth, etc.) or Tetramethoxamine (family ciprofloxacin, etc.), the control of Hawthorn spider mites and apple spider mites with tetrazolium, and the control of Hawthorn spider mites Apple red spider eggs, carbendazim or thiophanate-methyl for the control of red spot disease, with polyoxin control ring rot disease. Principle II: To use more simple and concurrent drugs, no or less use of compound and special treatment drugs. As single drugs are mostly basic drugs for compounding drugs, there are many bactericidal agents in compounded bactericides, and the active ingredient after the renamed drug is carbendazim, but it can be sold at a high price with a new name, 1kg 50% carbendazim 20 yuan. Around, after the name can be sold for more than 40 yuan. Therefore, it is generally advisable to use "old" drugs of pure quality without using or using less complex drugs. At the same time, it is possible to use a medicine to solve the problem of not using two kinds of medicines, which can be solved by using special medicines that can be solved by using both medicines. Examples of chlorpyrifos can simultaneously prevent and treat apple aphid, cornelian mealworm, green aphid, apple leaf roller moth, cotton bollworm, Pest insects and other pests, Bordeaux mixture and azoles (fuxing, etc.) both prevent rotten fruit and prevent defoliation, avermectin is not only against Crab spider mites, red spider mites but also against two-spotted spider mites. Principle 3: Use more brand-name companies' medicines instead of small factories and miscellaneous brands. In general, imported brand-name drugs are more reliable than domestic-made ones. At the same time, the quality of drugs from domestic famous brands is more reliable than that of miscellaneous brands. Large manufacturers are more reliable than small manufacturers. Principle 4: To calculate the cost and price, do not spend money. The purpose of cost reduction is to increase efficiency. The production of most gardens has more than 20% of the space for pesticides to save costs. A considerable number of farmers believe that they can lay bugs and cure diseases. No matter the cost, the worst is to spend well. Money bought medicines that couldn't cure the disease. The price of each active ingredient can be calculated based on the content of the active ingredient, and then compared with the price of the conventional active ingredient of the pesticide, which one is cheaper to use; the compounded drug is generally higher in price. Principle 5: Look at labels and packaging. Don't be fooled. A look at the three cards, production licenses, pesticide registration certificate, quality standard certificate, three cards are indispensable; Second, see if there is no effective ingredient and content, are indispensable; see if there is no factory inspection certificate, not as unqualified; Four to see the factory name, address, postal code, production date, batch number, shelf life, lack of one as unqualified; five to see whether the packaging is overcopied, whether the packaging port is loose. At the same time, pesticides should be used in accordance with the pesticide dosage specified on the pesticide label. Do not arbitrarily increase the concentration so as not to increase the cost, increase the resistance of pests, or even poisoning of humans and animals. Principle 6: To test and claim the bill first, do not use it without trial and leave no evidence. In the past few years, the number of real new ingredients for pest control has been small, and for a small number of new ingredients, it is necessary to do a small-scale test first, and then use it successfully in large areas. At the same time, when purchasing drugs, they must ask the dealers for the bills so as to prevent them from finding evidence when they happen.