Method for environment-friendly prevention and control on bemisia tabaci and TYLCV of tomatoes at seedling stage

Abstract

The invention relates to a method for environment-friendly prevention and control on bemisia tabaci and TYLCV of tomatoes at a seedling stage. The method comprises the steps: (1) sowing tomatoes in culture dishes completely enclosed by gauze cages; (2) applying fluoropyrazole furanone 200SC and spirotetramat 240SC to cultured tomato seedlings in an irrigating manner; (3) transplanting the tomato seedlings obtained in the step (2) into greenhouse films; (4) broadcasting salicylic acid slow-releasing granules; (5) spraying 6% of oligosaccharide chain protein wettable powder to the tomato seedlings obtained in the above steps; and (6) separately spraying the fluoropyrazole furanone 200SC and the spirotetramat 240SC to the tomato seedlings obtained in the above steps. According to the method for environment-friendly prevention and control on the bemisia tabaci and TYLCV of the tomatoes at the seedling stage, a variety of novel, efficient and low-toxicity pesticides and plant immunity activators are applied, virus-propagating key behaviors of the bemisia tabaci are blocked from vitro of plants, defense reactions of the plants are activated to resist virus propagation of the bemisia tabaci, and the bemisia tabaci and tomato yellowing leaf curl viral disease propagated thereby of the tomatoes are prevented and controlled environmentally friendly.

Description

technical field [0001] The invention relates to the technical field of agricultural operations, and more specifically relates to a green method for preventing and controlling Bemisia tabaci and TYLCV in the tomato seedling stage. Background technique [0002] Tomato is an economically important vegetable crop that is widely cultivated. [0003] Bemisia tabaci is a major agricultural pest that invades from outside. Its individuals are small and highly resistant to pesticides. The tomato yellow leaf curl virus TYLCV that spreads is known as the cancer of tomato. Effective prevention and control of this combination of diseases and insect pests is currently a worldwide problem. . [0004] At present, the control of bemisia tabaci is mainly based on chemical control, and the main method of drug use is to spray the medicine after the occurrence of bemisia tabaci, which requires a large amount of medicine. At the same time, the scattered medicine will cause harm to the health of t...

AI Technical Summary

Problems solved by technology

[0004] At present, the control of bemisia tabaci is mainly based on chemical control, and the main method of drug use is to spray the medicine after the occurrence of bemisia tabaci, which requires a large amount of medicine. At the same time, the scattered medicine will cause harm to the health of the sprayers and pollute the water body. , causing significant negative ecological impacts and increasing planting costs

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