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Insecticidal composition for rice

An insecticidal composition and technology for rice, applied in the directions of insecticides, biocides, animal repellents, etc., can solve the problems of single insecticidal spectrum and single use effect of compounds, etc., to expand the scope of control and delay the resistance of pests to pesticides , the effect of reducing costs

Inactive Publication Date: 2015-11-18
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the disadvantages of single use of compounds with poor effect and single insecticidal spectrum, and provide a rice insecticidal composition, which has obvious synergistic effect, expands the insecticidal spectrum, and can simultaneously prevent and control the rice borer , rice leaf roller, rice planthopper and other agricultural pests

Method used

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  • Insecticidal composition for rice
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1: Synergistic toxicity test.

[0022] The test method refers to the agricultural industry standard NY / 1154.7-2006 of the People's Republic of China, Part 7 of the Pesticide Laboratory Bioassay Test Guidelines: Determination of the combined effect of mixing.

[0023] Perform statistical analysis with DPS statistical analysis software, and calculate the LC of each agent 50 To evaluate the insecticidal activity of each agent, and calculate the co-toxicity coefficient (CTC value) of the mixture according to Sun Yunpei's method.

[0024] Measured Toxicity Index (ATI) = (Standard Medicine LC 50 / Testing agent LC 50 )×100

[0025] Theoretical Toxicity Index (TTI) = A drug toxicity index × percentage content of A in the mixture + B drug toxicity index × percentage content of B in the mixture + C drug toxicity index × percentage of C in the mixture Sub-content.

[0026] Co-toxicity coefficient (CTC)=[Measured Toxicity Index of Mixture (ATI) / Theoretical Toxicity Index (TTI) of Mi...

Embodiment 2

[0038] Example 2: An example of dosage form production process technology.

[0039] (1) 20% Chlorantraniliprole·Ethylspinoxane·Dinotefuran water dispersible granules: Chlorantraniliprole 5%, Ethylspinoxane 5%, Dinotefuran 10%, A The formaldehyde condensate of sodium naphthalene sulfonate 2%, polycarboxylate 10%, glucose 3%, sodium carboxymethyl cellulose 0.5%, anhydrous calcium chloride 0.5%, light calcium supplement 100%. Weigh the above-mentioned materials in proportion, mix them evenly, pulverize with an ultra-fine jet mill, knead, and then add them to a fluidized bed granulation dryer for granulation, drying and sieving to obtain 20% chlorantraniliprole Formamide·Ethyl Spinosad·Dinotefuran water dispersible granules.

[0040] (2) 20% Chlorantraniliprole·Ethylspinosaidin·Clothianidin Suspension Concentrate: Chlorantraniliprole 5%, Ethylspinocyn 5%, Clothianidin 10%, Sorbitol Oleic acid ester 4%, sodium alginate 0.8%, NP-102%, propylene glycol 3%, silicone 2%, xanthan gum 0.1%,...

Embodiment 3

[0042] Example 3: An example of the effect of field use.

[0043] At the tillering stage of rice, during the comprehensive occurrence period of Chilo suppressalis, Cnaphalocrocis medinalis, and rice planthopper, the agent was sprayed with water and the control effect was investigated 10 days after the application.

[0044] It can be seen from Table 4 that 20% Chlorantraniliprole·Ethylspinoxane·Dinotefuran Water Dispersible Granules, 20% Chlorantraniliprole·Ethylspinosapyrin·Clothianidin Suspension , 20% chlorantraniliprole·Ethyl spinetocin·thiamethoxam WP dosage 60-80g / mu for the comprehensive control of rice stem borer, rice leaf roller, and rice planthopper 91.42~97.15 %, the control effect is significantly higher than that of 200g / L Chlorantraniliprole Suspension Concentrate, 60g / L Ethyl Spinosadamide Suspension Agent, 30% Clothianidin Suspension Agent, and 20% Dinotefuran Soluble Granules, 25% thiamethoxam wettable powder as a single dose, the compound drug was not found to ca...

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Abstract

The invention discloses insecticidal composition for rice. The composition comprises active ingredients A, B and C as well as common auxiliary ingredients, wherein the active ingredient A is chlorantraniliprole, the active ingredient B is spinetoram, and the active ingredient C is one of clothianidin, thiamethoxam and dinotefuran; the weight ratio of the active ingredient A to the active ingredient B to the active ingredient C is (1-20):(1-20):(1-20). The pesticide composition can effectively control rice pests, particularly chilo suppressalis, rice leaf rollers and rice planthoppers, and has multiple advantages of broad control spectrum, slower resistance development, significant synergism, low control cost and the like.

Description

Technical field [0001] The invention belongs to the technical field of pesticide combination, and specifically relates to an insecticidal composition for controlling the rice stem borer, the rice leaf roller, and the rice planthopper. Background technique [0002] The rice leaf roller, rice planthopper, is one of the main pests with a high incidence of rice, a wide area, and a strong degree of damage. Farmers need a mixture of multiple pesticides or multiple applications to achieve the purpose of control. For example, compound a) is used to control Chilo suppressalis, compound b) is used to control rice leaf roller, and compound c) is used to control rice planthopper. The simultaneous occurrence of Chilo suppressalis, rice leaf roller and rice planthopper requires a) , B), c) The three medicines are mixed for use. The scientific mixing and use of multiple medicaments can improve the control effect, expand the control range and reduce labor intensity. However, if the blending is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N51/00A01P7/04A01N43/56A01N43/22
Inventor 陈佛祥王礼文朱刚吴泽伟张志伟颜石雷
Owner GUANGDONG ZHONGXUN AGRI TECH
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