Liriomyza sativae has caused great harm to vegetable production and spread quickly, making it difficult to prevent it completely. Timely pesticide control is necessary.
Liriomyza sativae is mainly used to control most of the protected vegetables and open vegetables, such as beans, cucumbers, loofah, tomatoes, eggplants, etc., to control the Liriomyza sativae, and the timely use of drugs is an important measure for comprehensive prevention and control. The application of biological pesticides to control Liriomyza sativae has achieved good results in recent years. The first choice of biological pesticides is 0.2% of Avermaria emulsifiable concentrate and 1000% of 25% chlorfenapyr suspension. The insecticidal effects of the two agents can reach over 95%.
The effective ingredient of avidin is avermectin, and the common name in China is â€œqiqisuâ€. It is an antibiotic produced by microbial fermentation; it is a nerve signal blocker in most agricultural pests.
Diflubenzuron III is an inhibitor of insect chitin synthase and belongs to insect growth regulators. The insecticidal mechanism is to inhibit the synthesis of chitin in insects, so that Kunsheng can not peel and die normally.
Application Avi insects SD chlorbenzuron III biological pesticides to control LIRIOMYZA has three main features.
1. The control effect is good and the residual effect period is long. 0.2% Avicel ECG 1500 times or 25% Diflubenzuron No. 3 1000 times liquid to control Liriomyza sativae, the effect can reach more than 95%, and the residual effect period is 20 days.
2. Safety to natural enemies and environmental safety. Avidin and Diflubenzuron No. 3 have little damage to natural enemies and are ideal agents for comprehensive prevention and treatment. These two drugs are environmentally friendly, low-toxic, low-residue, and meet the requirements for the production of â€œno pollutionâ€ vegetables.
3, for crop safety, in the case of increasing the dose multiple times, the application of these two drugs, most vegetables are not phytotoxic.
The application of Aviline and Diflubenzuron No. 3 to control the control period of Liriomyza sativae is in the larval stage, spraying once every 7 days, even spraying 2 to 4 times. The above two agents may be used alone or alternately. China Pesticide Network reminds everyone that spraying should be careful, it is best to add 1000 times of pesticide synergist in the liquid to increase the permeability, spreadability and adhesion of the agent, so that the drug effect is higher. lasting.
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