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Biological composition for controlling tea empoasca vitis

A technology of false-eyed green leafhopper and composition, which is applied in the fields of application, biocide, animal repellent, etc., can solve the problems of complicated pharmaceuticals and difficult materials, and achieve good control effect, less damage to natural enemies of pests, and broad application prospects Effect

Inactive Publication Date: 2015-03-11
XIANNING MUSHAN TEA IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its pharmaceutical preparation is complicated and it is not easy to obtain materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Example 1 Prevention and control of the tea leafhopper. On June 15, 2010, before the prevention and control, the average number of tea leafhoppers per hundred bud shoots reached 458, and the occurrence of tea leafhoppers was large. On June 15, use 8 billion live spores per gram Beauveria bassiana wettable powder 300 grams plus 2.5% rotenone EC 80 ml and 500 grams brown sugar for every 667 square meters. There were 39 budworms per day, and the control effect was 91.5%. On June 30, there were 33 budworms, and the control effect was 92.8%.

Embodiment 2

[0024] Example 2 Prevention and control of tea leafhoppers in tea farms: On June 18, 2010, before the prevention and control, the number of tea leafhoppers in a hundred shoots reached 444, and the occurrence of tea leafhoppers was large. On June 18, use 8 billion live spores per gram of Beauveria bassiana wettable powder 250 grams plus 2.5% rotenone EC 160 ml and 400 grams of brown sugar for every 667 square meters, mix water to 50 kg, and spray evenly on the tea canopy surface, June 25 There were 33.5 budworms per day, and the control effect was 92.4%. On July 4, there were 30 budworms, and the control effect was 93.2%.

Embodiment 3

[0025] Example 3 Prevention and control of the tea leafhopper in tea farms. On August 17, 2010, the average number of tea leafhoppers per hundred shoots before the control was 233, and the occurrence of tea leafhoppers was moderate to severe. On August 17, use 8 billion live spores per gram of Beauveria bassiana wettable powder per 667 square meters, add 120 ml of 2.5% rotenone EC and 300 grams of brown sugar, mix water to 50 kg, and spray evenly on the tea canopy surface, August 24 The daily number of bud shoot insects was 21.1, and the control effect was 90.8%. On August 31, the number of shoot shoot insects was 21.2, and the control effect was 90.9%.

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PUM

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Abstract

The invention provides a biological composition used for controlling tea empoasca vitis. The composition is a water solution of beauveria bassiana, rotenone and sugar. The composition solution comprises the components of 0.5-1% of 8 billion / g beauveria bassiana wettable powder, 0.16-0.32% of rotenone emulsifiable concentrate, 0.6-1% of brown sugar, and water as balance. The pesticide can be degraded in the natural world, and does not pollute the environment and crops. The biological composition is safe to human and livestock, and causes small harm to the natural enemies of the pests. The pests can hardly produce any antibody against the biological composition. The biological composition is non-toxic, and causes no residue. The biological composition has a good application prospect.

Description

technical field [0001] The invention belongs to the technical field of prevention and control of agricultural diseases and insect pests, and in particular relates to a biological composition for preventing and controlling tea leafhoppers. Background technique [0002] Leafhopper is an important pest of tea trees. It seriously damages tea trees all the year round. Leafhopper mainly uses adults and nymphs to pierce and suck the juice of tender stems and leaves of tea trees. If the damage is mild, the buds and leaves will lose green and age, which will affect the tea leaves. Yield and quality; if the damage is serious, the top buds and leaves will be scorched, the tea buds will not grow, and there will be no tea to pick. This pest is difficult to control due to the occurrence of several generations in a year and the serious overlapping of generations. As an important means of production, chemical pesticides are widely used in tea production. The control of tea plant diseases a...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01P7/04A01N43/90
Inventor 洪海林饶漾萍饶辉福
Owner XIANNING MUSHAN TEA IND CO LTD
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