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Synergistic composition used for controlling and treating brassicaceous vegetable insects

A technology for cruciferous vegetables and a composition is applied in the field of pesticides, which can solve the problems such as the lack of combined application of tolafenamide and Bacillus thuringiensis, and achieve the effects of obvious synergistic effect, solving the large environmental impact and reducing the dosage of the drug.

Active Publication Date: 2019-01-11
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no report on the combined application of tolfenpyrad and Bacillus thuringiensis

Method used

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  • Synergistic composition used for controlling and treating brassicaceous vegetable insects
  • Synergistic composition used for controlling and treating brassicaceous vegetable insects
  • Synergistic composition used for controlling and treating brassicaceous vegetable insects

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Example 1: 25% Fenpyramid·Bacillus thuringiensis suspension concentrate

[0050]

[0051] Active components, dispersant, wetting agent, water and other components are uniformly mixed according to the proportion of the formula, and after grinding and / or high-speed shearing, a 25% tonfenpyram·Bacillus thuringiensis suspension is obtained.

Embodiment 2

[0052] Example 2: 20% Tofenpyram · Bacillus thuringiensis water dispersible granules

[0053]

[0054] The active ingredient, dispersant, wetting agent, disintegrant and filler are uniformly mixed according to the ratio of the formula, crushed into a wettable powder by airflow, and then a certain amount of water is added to mix and extrude the material. After drying and sieving, 20% tonamiprole-Bacillus thuringiensis water-dispersible granules were obtained.

Embodiment 3

[0055] Example 3: 32% Tofenpyrad · Bacillus thuringiensis wettable powder

[0056]

[0057] The active ingredient, various auxiliary agents and fillers are mixed according to the proportion of the formula, and after being pulverized by a superfine pulverizer, a 32% tonamiprole-Bacillus thuringiensis wettable powder can be obtained.

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Abstract

The invention discloses a synergistic composition used for controlling and treating brassicaceous vegetable insects. The synergistic composition used for controlling and treating brassicaceous vegetable insects comprises active components Tolfenpyrad and Bacillus thuringiensis at a weight ratio of 1:20-60:1; the total weight amount of the active components Tolfenpyrad and Bacillus thuringiensis accounts for 1 to 85% of that of the synergistic composition. The synergistic composition can be prepared into wettable powder, suspending agent, particulate agent, water dispersion granule, microcapsule suspending agent, emulsion in water, and micron emulsion microcapsule suspension-suspending agent. The invention also relates to applications of combination of Tolfenpyrad and Bacillus thuringiensisin prevention or controlling of brassicaceous vegetable insects, and the effect is especially great in prevention and controlling of cabbage plutella xylostella and flowering cabbage Phyllotreta striolata.

Description

technical field [0001] The invention relates to a synergistic composition for controlling cruciferous vegetable pests and belongs to the technical field of pesticides. Background technique [0002] Cruciferous vegetables have a large planting area and high yield in China. Due to the fact that they are planted in patches almost all year round, and the crops are changed frequently, and the crop replacement methods are changeable, the types of pests are constantly increasing. Therefore, pest control is very important for improving vegetable quality and increasing The economic benefits of vegetable farmers are very important. At present, the most effective means of controlling cruciferous vegetable pests is chemical control, but at the same time, it also causes serious pollution of vegetables, rapid resistance of pests, and high degree of resistance. [0003] Tolfenpyrad, English common name: Tolfenpyrad, chemical name: 4-chloro-3-ethyl-1-methyl-N-{[4-(4-methylphenoxy)phenyl]-me...

Claims

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Application Information

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IPC IPC(8): A01N63/00A01N43/56A01P7/02A01P7/04
CPCA01N43/56A01N63/00
Inventor 翁群芳何仁坤胡琼波罗建军张珂魏香琴
Owner SOUTH CHINA AGRI UNIV
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