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Commonly used pollution-free pesticides for fruit trees
1. Microorganism Pesticides (1) Agricultural Antimicrobial 120 Microbial Fungicide: 4% fruit tree special type 600 times - 800 times liquid spray can prevent apple powdery mildew, apple, pear rust. The drug contains 10 kinds of amino acids, but also can play the role of strong disease resistance. (2) Polyoxine (Polyoxorubicin, Polaroid): 10% polymycin wettable powder 1000 times spray can prevent apple leaf spotted deciduous disease; apple budding period after the flowering, even spray 2 times can prevent Apple mold heart disease. (3) Liuyangmycin: 10% Liuyangmycin EC 1000 times spray can prevent red spider. (4) Bacillus thuringiensis (Bt): Spraying with 500 times liquid of Bt emulsion on the tree can prevent the larvae of leaf-feeding pests and borerworms, and 0.1% detergent is more effective. (5) Abamectin (Zizaosu, Queguang): It is an antibiotic produced by microbial fermentation. The control of red spider was sprayed with 0.1% A. avermitilis milk 4000 times solution, especially for the control of the two-spotted spider mites. Second, plant-source pesticides (1) pepper water: 50 grams of pepper 1 kg of water, boiled for 10 minutes cooling filter, spray control aphids. (2) Green Baowei (fruit sparse net): Use 0.5% Green Bolt EC 1000-2000 times spray to prevent leaf caterpillars. (3) Tobacco: Soak 1 kg of tobacco leaf into 10 kg of hot water, remove it after rubbing, and then rub it in 10 kg of clear water. The water of the two washed tobacco leaves is mixed with 10 kilograms of lime water (including 0.5 kilograms of lime) and sprayed to prevent and control locusts, thrips, and stink bugs. (4) 9281 (Green Tree Divine Medicine, Bacteria Di): Made from Chinese and Western medicines and biological fluids. In the rot disease squatting after brushing 4-5 times the liquid, the treatment effect is better. III. Inorganic or mineral pesticides (1) Lithosulfur: The bactericidal, insecticidal and acaricidal agents commonly used in orchards have the advantage of not producing drug resistance. The dormancy period of fruit trees is 3-5Be, and the spraying season is 0.1-0.5Be. (2) Bordeaux fluid: It can prevent various diseases on fruit trees. Generally in the growth of apples, pears and other trees, post-spray has a good leaf protection effect. (3) Solibal: It is a 70% polysulfide soluble powder with the function of lime sulfur, which can prevent the general diseases of fruit trees. When using, be sure to use 2 dilutions (first diluted with 5 times water, then diluted for 1 hour and then diluted to the desired concentration). (4) Diesel emulsion: Using diesel oil, neutral soap, and water in a ratio of 10:1:10, spraying 10 times liquid in dormant period of fruit trees can kill wintering scale insects and other pests. IV. Animal sources and specific pesticides (1) Diflubenzuron 3: 25% diflubenzuron No. 3 rubber suspension 2000 times spray to prevent leaf caterpillars; 1000-2000 times liquid to prevent gold leaf moth and other leaf miners , Before the adults spawned before spawning; with 800 times liquid spray control of heartworm and so on. (2) Mothrin: It was made from the combination of diflubenzuron 3 and 15% broom. In addition to the control of diflubenzuron 3, it can also control red spiders. (3) Anti-Tai Bao (Ting Long): 5% Sze Tai Bao EC 1500 times spray, can prevent heartworm and so on.