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Biological mixed pesticide for insect control in green vegetables field

A technology for green food and pest control, applied in the direction of biocide, animal repellent, plant growth regulator, etc., can solve the problems of poor control of noctuid pests and slow insecticidal effect, and solve the problem of excessive pesticide toxicity, Increased lethal time and reduced pollution effects

Inactive Publication Date: 2006-12-13
NORTHEAST AGRICULTURAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

The existing Bacillus thuringiensis biopesticides generally have a phenomenon of slow insecticidal effect, generally the effect is more obvious on the 4th day after the application, and there is also the problem that the single preparation of Bacillus thuringiensis Bt is not good for controlling Noctuidae pests

Method used

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  • Biological mixed pesticide for insect control in green vegetables field
  • Biological mixed pesticide for insect control in green vegetables field

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specific Embodiment approach 1

[0015] Specific embodiment one: the insecticidal compound of the present embodiment is a compound of Bacillus thuringiensis Bt and success (its Chinese name is Caixi), wherein every 100ml compound contains the number of Bacillus thuringiensis Bt spores: 2 ×10 9 ~7×10 9 Individual, dish jubilee: 0.01~004ml.

specific Embodiment approach 2

[0016] Specific embodiment two: the bacillus thuringiensis Bt of the present embodiment adopts bacillus thuringiensis (Bacillus Thuringiensis) Bt20, and the composition of its insecticidal compound is: in every 100ml finished product, contain Tween-60 or Tween-80 (60, 80 is the trade name of Tween): 2 grams, citric acid: 1-3 grams, methylcellulose: 1-4 grams, diatomaceous earth: 0.2-0.4 grams, sodium benzoate: 0.5-2 grams, Bacillus thuringiensis (Bacillus Thuringiensis) Bt20 spore count: 2×10 9 ~7×10 9 A, success: 0.01 ~ 0.04ml.

[0017] The bacterial strain Bacillus thuringiensis Bt20 used in this embodiment is referred to as Bt20, and was deposited in the General Microorganism Center of China Committee for the Collection of Microorganisms on May 11, 2006, and the preservation number is CGMCC NO.1710. It plays an insecticidal role in insecticides, that is: Bacillus thuringiensis can form a protein crystal called "endotoxin", which is non-toxic to humans and animals. After i...

specific Embodiment approach 3

[0032] Specific embodiment three: the composition of the insecticidal compound of this embodiment is: every 100ml finished product contains Tween-60 or Tween-80: 2 grams, citric acid: 1 gram, methylcellulose: 1 gram, Diatomaceous earth: 0.2 g, sodium benzoate: 0.5 g, Bacillus Thuringiensis Bt20 spore count: 2×10 9 success with a mass concentration of 2.5%: 0.01ml.

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Abstract

The invention relates to a pesticide for vegetable field, which is the composite agent of Bacillus thuringiensis Bt and success, each 100ml of the agent contain Bacillus thuringiensis Bt spores of the following number: 2X10<9> to 7X10<9>, and success 0.01-0.04ml. The agent has quick effect.

Description

technical field [0001] The invention relates to an insecticide, in particular to an insecticide used for controlling pests in green food and vegetable fields. Background technique [0002] Agricultural pests have caused huge losses to the planting industry every year. Although chemical control has achieved remarkable results, it has also brought about a series of problems such as environmental pollution and drug resistance. Since the 1970s, biological control has been valued by governments of various countries. The 21st resolution of the "World Conference on Environment and Development" in 1992 proposed that "by the year 2000, the sales and use of chemical pesticides will be controlled globally, and the production of biological pesticides will reach 60%". Since the 1990s, the sales of chemical pesticides in the world have been declining, replaced by microbial pesticides. The Chinese government also attaches great importance to the protection of land and water resources an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/00A01N43/22
Inventor 于洪春赵奎军樊东韩岚岚王晓云戴长春
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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