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Beauvericin insecticide suspending agent and preparation method thereof

A technology of Beauveria bassiana and pesticides, applied in pesticides, botanical equipment and methods, biocides, etc., can solve the problems of unstable effect and poor quick-acting effect, and achieve strong anti-ultraviolet ability, improve quick-acting, Long shelf life effect

Active Publication Date: 2008-01-09
JIANGXI TIANREN ECOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The Beauveria bassiana insecticide suspension overcomes the shortcomings of poor quick-acting and unstable effects of microbial pesticides, and has the advantages of quick-acting, high activity, good stability, easy storage and convenient transportation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Add sodium dodecylbenzenesulfonate (also sodium dodecyl laurate) 10Kg, calcium lignosulfonate 10Kg, 1-[3,5- Dichloro-4-(3-chloro-5-trichloromethyl-2-pyridyloxy)phenyl]-3-(2,6-dichlorobenzoyl)urea 1Kg, dihydroxytetramethoxydi 0.5Kg of benzophenone, 0.5Kg of vitamin C and 3Kg of kaolin, mixed in a mixer, and then pulverized with a jet mill to make the particle size less than 10 μm, and then adding silicone surfactant polyoxyalkylene modified polymethyl Siloxane 5Kg, carboxymethyl cellulose 1Kg and water 59Kg are fully mixed in a mixer. After mixing, add it to a colloid mill and grind it finely; then further wet grind it in a sand mill with the temperature controlled at 30°C. The fineness of 1-5μm is qualified, and the material is taken out. Promptly obtain 100 billion / gram Beauveria bassiana suspension concentrate product 100Kg, need 80 billion Beauveria bassiana to prevent and control cabbage caterpillar by every mu vegetable field, then its field consumption is 8 gram...

Embodiment 2

[0039] Add sodium lauryl sulfate 5Kg in the Beauveria bassiana former powder 20Kg of 100 billion / gram, naphthalene sulfonate formaldehyde polymer 10Kg, nano titanium dioxide 9.5Kg, vitamin C0.5Kg, white carbon black 5Kg and N-(3 , 5-dichloro-2,4-dichlorophenyl)-N'-(2,6-dichlorobenzoic acid) urea 2Kg, mixed in a mixer, then pulverized with a jet mill, so that the particle size is less than 10 μm , then add 10Kg of organosilicon surfactant polyoxyalkylene modified polymethylsiloxane, 2Kg of xanthan gum, and 36Kg of water, and mix thoroughly in a mixer. After mixing, add it to a colloid mill and grind it finely; then further wet grind it in a sand mill with the temperature controlled at 30°C. The fineness (1-5μm) is qualified, and the material is taken out. Promptly obtain 100Kg of 20 billion / gram Beauveria bassiana suspension concentrate product, need 100 billion Beauveria bassiana control Spodoptera litura by every mu vegetable field, then its field consumption is 5 grams / mu. ...

Embodiment 3

[0042] Add 10Kg of tea saponin, 5Kg of sorbitan polyoxyethylene ether, 2Kg of fluorescent whitening agent, 5Kg of bentonite and 1-[3,5-dichloro-4- (3-Chloro-5-trichloromethyl-2-pyridyloxy) phenyl]-3-(2,6-dichlorobenzoyl) urea 1Kg, mix in mixer, then use jet mill, Make the particle size less than 10 μm, then add 10Kg of silicone surfactant polyoxyalkylene modified polymethylsiloxane, 1.5Kg of polyvinyl alcohol, and 50.5Kg of water and mix thoroughly in a mixer. After mixing, add it to a colloid mill and grind it finely; then further wet grind it in a sand mill with the temperature controlled at 30°C. The fineness (1-5μm) is qualified, and the material is taken out. Promptly obtain 12,000,000,000 / gram Beauveria bassiana suspension concentrate product 100Kg, need 6,000,000,000,000,000,000 Beauveria bassiana control pine caterpillars by every hectare forest, then its actual consumption is 500 grams / ha.

[0043]During actual control, use 500 grams of 12 billion / gram beauveria bas...

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Abstract

The present invention relates to a new-type beauveria bassiana pesticide suspension. Its composition includes (by wt%) 1-50% of beauveria bassiana powder, 0.05-15% of chitin inhibitor, 0.25-40% of organic silicon surfactant, 0-40% of adsorbing agent, 0-20% of dispersing agent, 0-20% of moistening agent, 0-20% of antioxidant, 0-20% of photoprotection agent, 0-20% of viscosifier and 1-60% of water. Said invention also provides the concrete steps of its preparation method, and its concrete application method.

Description

technical field [0001] The invention relates to a novel beauveria bassiana insecticide suspension and a preparation method thereof. Background technique [0002] With the development of economy and society and the improvement of people's living standards, more and more attention has been paid to the research and use of fungicides. As the world's largest producer and user of fungal insecticides, China has made great progress in the industrialization of fungal insecticides in recent years, but product quality problems have emerged. Fungi mainly invade insects through the body wall, so they have unique advantages unmatched by other entomopathogens. However, fungi also have obvious disadvantages such as slow insecticidal effect, greater environmental impact, and unstable effect. Therefore, aiming at these problems, genetically improving production strains, obtaining high-efficiency engineered bacteria and developing new formulations with high activity are the main methods to s...

Claims

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Application Information

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IPC IPC(8): A01N63/00A01N25/02A01N25/30A01P7/04
Inventor 吴学民熊绍员梁小文
Owner JIANGXI TIANREN ECOLOGY
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