Biosource insecticide built up agent for preventing and controlling injurious insect in green food vegetable field

A green food, pest control technology, applied in pesticides, biocides, animal repellants, etc., can solve the problems of slow biological pesticides, poor control of noctuid pests, and excessive toxicity of chemical pesticides. The effect of pesticide toxicity exceeding the standard, improving insecticidal effect and increasing lethal time

Inactive Publication Date: 2006-08-30
NORTHEAST AGRICULTURAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

[0005] In order to solve the problems of slow effect of biological pesticides used in the past, poor control of Noctuidae pests by Bt single preparations, and excessive toxicity of chemical pesticides, the present invention has developed a biological source insecticide compound agent for preventing and controlling pests in green food and vegetable fields. The composition of the insecticidal compound is: every 100ml of finished product contains Tween-60 or Tween-80: 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) Kurstaki subspecies HD-73 (subsp.kurstaki) spore count: 2×10 9 ~7×10 9 success (cai jubilee) with a concentration of 2.5% by weight: 0.01~004ml

Method used

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  • Biosource insecticide built up agent for preventing and controlling injurious insect in green food vegetable field

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specific Embodiment approach 1

[0016] Embodiment 1: The composition of the insecticidal compound of this embodiment is: every 100ml of finished product contains Tween-60 or Tween-80: 2 grams, citric acid: 1-3 grams, methylcellulose: 1 ~4 grams, diatomaceous earth: 0.2~0.4 grams, sodium benzoate: 0.5~2 grams, HD-73 spore count: 2×10 9 ~7×10 9 Success: 0.01-004ml each, with a weight concentration of 2.5%.

[0017] In this embodiment, the counting of spores is carried out according to the following method: in the sterile room, add 2ml of sterile water to the cultivated slope, scrape off the bacterial lawn, repeatedly beat it with a pipette to fully mix it in the sterile water, Transfer the bacterial solution into a sterile vial; then dilute 10 4～5 Drop a few drops of diluted bacterial solution on the hemocytometer plate, cover the cover glass, check the number under the microscope and record the average number of spores per grid, calculate the number of spores per milliliter of bacterial solution, and obtain...

specific Embodiment approach 2

[0018] Specific embodiment two: the composition of the insecticidal compound of this embodiment is: every 100ml finished product contains Tween-60 or Tween-80: 2 grams, citric acid: 3 grams, methylcellulose: 4 grams, Diatomaceous earth: 0.4 grams, sodium benzoate: 2 grams, HD-73 spore count: 7×10 9 A success with a concentration of 2.5% by weight: 004ml.

specific Embodiment approach 3

[0019] 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 grams, sodium benzoate: 0.5 grams, HD-73 spore count: 2×10 9 success with a weight concentration of 2.5%: 0.01ml.

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Abstract

A composite biogenous insecticide for the green vegetable field contains proportionally tween-60 or tween-80, citric acid, methylcellulose, diatomite, sodium benzoate, HD-73, etc.

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): A01N63/02A01P7/04A01N25/30A01N37/02A01N59/00
CPCY02A50/30
Inventor 赵奎军于洪春韩岚岚樊东王晓云戴长春
Owner NORTHEAST AGRICULTURAL UNIVERSITY
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