With the introduction of the pesticide reduction policy in China, the use of chemical pesticides is decreasing year by year, bio-pesticides as a green and safe pesticide formulation, the future development trend should not be overlooked, your understanding of biological pesticides and how much? Here Follow the small series of pesticide nets to learn about the biological pesticides and the correct application method.
Advantages of applying biological pesticides: First, it can kill a variety of pests and diseases; Second, it can produce pollution-free green products; Third, it can reduce environmental pollution and ensure human and animal safety; Fourth, it can protect natural enemies; Fifth, it is difficult to protect pests and diseases; Produces resistance.
Mechanism of action of biological pesticides: Biological pesticides have a gradual process of poisoning pests and diseases. For example, when high-efficiency BT works, it takes 1-3 days to paralyze the nerves of the insects and then destroy their internal organs to cause their death. If the virus poisons the pest, it is the nucleic acid of the virion that invades the pest, absorbs the nutriage of the worm, and causes the cell tissue to disintegrate and die. It takes 3 to 5 days. Although the visual effect of biopesticides is slower than that of chemical pesticides, the hazards of pests and diseases to crops have been suppressed after application. Therefore, it must be rationally applied according to the characteristics of these pesticides.
Proper application of biological pesticides: According to the prediction of pests and diseases in the local plant protection department, the biological pesticides should be applied a few days in advance; the dosage should be strictly applied according to the application dose, and the application concentration should not be increased or decreased at will; in order to improve the control effect and safety performance, it can be partially lower Mixed with toxic pesticides, but high-efficiency BT is forbidden to be mixed with fungicides and acidic compounding liquids, and can not be applied in mulberry gardens; it is not allowed to expose the medicines to the sun or damp; to choose sunny afternoon medicine, or to use medicine on cloudy days, after the medicine meets the rain, it must be heavy Spray once.
For more information on biopesticides , please pay attention to the Pesticide Information Network ()
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