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High-efficiency novel synergistic composition for preventing and treating brown planthopper of rice

A rice brown planthopper and high-efficiency technology, applied in the field of agricultural science and technology, can solve the problems of easy generation of drug resistance, difficulty in obtaining lasting control effects, etc., and achieve the effects of delaying the resistance of pests, achieving significant control effects, and reducing the application amount.

Inactive Publication Date: 2020-12-18
GUIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The drug ingredients used in this program are relatively conventional, and are prone to drug resistance, making it difficult to achieve a lasting control effect

Method used

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  • High-efficiency novel synergistic composition for preventing and treating brown planthopper of rice
  • High-efficiency novel synergistic composition for preventing and treating brown planthopper of rice
  • High-efficiency novel synergistic composition for preventing and treating brown planthopper of rice

Examples

Experimental program
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Effect test

Embodiment 1

[0047] Example 1: In order to understand the control effect of indoxacarb·trifluoropyrim tank mixture on rice brown planthopper, a field test was carried out in the experimental demonstration area of ​​Haohuahong Town, Huishui County in June 2019, and the test was carried out from the earing to the filling stage of rice. Indoxacarb and trifluoropyrim commercial drugs in the laboratory were carried out in tank-mix spray test

[0048] Test setup 15% indoxacarb suspension concentrate (67.5g a.i. / hm active ingredient dosage 2 ), 10% trifluoropyrimidine suspension concentrate (active ingredient dosage 37.5g a.i. / hm 2 ), the combination of indoxacarb and trifluoropyrim (the dosage of active ingredients is 48.75ga.i. / hm 2 ), clear water control, a total of 4 treatments, each treatment was repeated 3 times, a total of 12 plots, each plot was randomly arranged, and the area of ​​the plot was 30m 2 , on August 20, the 3WBJ-16DZ multifunctional electrostatic sprayer was used for sprayi...

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Abstract

The invention discloses a high-efficiency novel synergistic composition for preventing and treating brown planthopper of rice. The high-efficiency novel synergistic composition comprises a main effective component consisting of indoxacarb and trifluoro-benzene pyrimidine. The mass ratio of indoxacarb to trifluoro-benzene pyrimidine in the main effective components is 5: 1. Compared with the priorart, the indoxacarb and the trifluoro-benzene pyrimidine are combined and mixed for use, the composition has an obvious synergistic effect on prevention and treatment of the brown planthopper of the rice, the field prevention and treatment effect reaches up to 93.04%, the prevention and treatment effect is remarkable, the use amount of pesticides can be effectively reduced, various diseases can betreated, drug resistance of pests is delayed, and the production cost is reduced. The method is simple and easy to implement, wide in material source, low in cost and good in using effect.

Description

technical field [0001] The invention relates to the technical field of agricultural science and technology, in particular to a novel synergistic combination with high efficiency for controlling rice brown planthopper. Background technique [0002] Brown planthopper Nilaparvata lugens It is an important pest in rice production. It has the characteristics of monophagia, migration, and destructiveness, and it is very easy to break out and cause disasters. The "honeydew" excreted can also promote the growth of germs, and its stylet can also be used as a vector for plant viruses. This has led to a serious decline in rice yields, and even grain failure in rice fields, resulting in huge economic losses. In the comprehensive management of N. lugens, chemical control plays a vital role in the comprehensive control due to its advantages of speed, efficiency and economy. However, with the application of a single large dose of chemical agents, the problem of resistance becomes more a...

Claims

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Application Information

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IPC IPC(8): A01N47/38A01N43/54A01P7/04
CPCA01N43/54A01N47/38
Inventor 李荣玉肖彩云廖逊吴小毛田旭军丁怡赵文晋尹显慧胡安龙其他发明人请求不公开姓名
Owner GUIZHOU UNIV
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