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Beauveria bassiana-containing microbial insecticide composition used for controlling poinsettia whiteflies

A bactericide composition and technology of Beauveria bassiana, applied in the directions of insecticides, biocides, animal repellants, etc., can solve the problem that pests are prone to drug resistance, environmental pollution is aggravated, and no Beauveria bassiana and veratridine are found. Insecticide reports and other problems, to achieve the effect of delaying pest resistance, simple production process and low cost

Inactive Publication Date: 2011-11-23
ZHEJIANG SUB TROPICS CROP INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Insecticides containing one active component often have defects in varying degrees in the control of flower pests: continuous use of pests is prone to resistance, and frequent use will cause increased pollution to the environment, etc.
[0005] So far, there is no report on the application of insecticides combining Beauveria bassiana and veratrine in flowers

Method used

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  • Beauveria bassiana-containing microbial insecticide composition used for controlling poinsettia whiteflies
  • Beauveria bassiana-containing microbial insecticide composition used for controlling poinsettia whiteflies

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] According to the weight ratio of Beauveria bassiana and veratridine (unless otherwise specified, the average weight percentage) 5% and 30%, dispersant sodium lignosulfonate 15%, disintegrating agent aluminum chloride 4%, stabilizer triphosphate 1.5% butyl ester, 5% wetting agent pull-off powder, and 39.5% bentonite carrier to make water-dispersible granules. The formula is diluted and sprayed by 2000-2500 times, and the field control effect is 99.10% within 72 hours after spraying.

[0024] 5% Beauveria bassiana water dispersible granules and 30% veratrine, the water dispersants were used in the same way, and the control effects were 51.05% and 52.91% respectively at 72 hours after the medicine.

Embodiment 2

[0026] According to the weight ratio of Beauveria bassiana and veratridine (unless otherwise stated, the average weight percentage) 1% and 20%, dispersant sodium lignosulfonate 15%, disintegrating agent aluminum chloride 4%, stabilizer triphosphate 1.5% butyl ester, 5% wetting agent pull-off powder, and 39.5% bentonite carrier to make water-dispersible granules. The formula is diluted and sprayed by 2000-2500 times, and the field control effect is 98.10% within 72 hours after spraying.

[0027] 1% Beauveria bassiana water dispersible granules and 20% veratridine, the water dispersants were used in the same way, and the control effects were 55.05% and 55.91% respectively at 72 hours after treatment.

Embodiment 3

[0029] According to the weight ratio of Beauveria bassiana and Veratridine (unless otherwise stated, the average weight percentage) 10% and 1%, dispersant sodium lignosulfonate 15%, disintegrating agent aluminum chloride 4%, stabilizer triphosphate 1.5% butyl ester, 5% wetting agent pull-off powder, and 39.5% bentonite carrier to make water-dispersible granules. The formula is diluted and sprayed by 2000-2500 times, and the field control effect is 97.10% within 72 hours after spraying.

[0030] 10% Beauveria bassiana water dispersible granules and 1% veratrine, the water dispersants were used in the same way, and the control effects were 50.08% and 56.91% respectively at 72 hours after treatment.

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Abstract

The invention relates to a microbial insecticide composition of beauveria bassiana and veratrine used for controlling poinsettia whiteflies. The microbial insecticide composition is characterized by comprising active ingredients of bacillus subtilis and veratrine, wherein the weight ratio of the bacillus subtilis to the veratrine falls within a range of (0.1:50)-(5:1). The microbial insecticide composition provided by the invention has the advantages that: after the bacillus subtilis and the veratrine are compounded, obvious synergistic action and sustained action are obtained, the poinsettia whiteflies are controlled, multiple functions of high efficiency, low toxicity, low pollution and no residue are obtained, the cost is obviously reduced and the resistance of the whiteflies to the pesticides is slowed down.

Description

technical field [0001] The invention belongs to the technical field of compound pesticides, in particular to a compound pesticide of Beauveria bassiana and veratrine. Background technique [0002] Beauveria bassiana: Beauveria bassiana is a kind of entomogenous fungus of half-known fungus, which has vegetative organs-mycelia and reproductive organs-conidia, and mycelium has transverse septa and branches. The distribution range of Beauveria bassiana is very wide. Beauveria bassiana has been found in mountains ranging from a few meters above sea level to more than 2000 meters. Beauveria (macrocyclic lipid toxin) and calcium oxalate crystals are constantly produced. These substances can cause insect poisoning, change the body fluid discovery function, disrupt metabolism and lead to death. [0003] Veratrine: Enter the digestive system through the surface of the insect body or suck it, causing local irritation, causing reflexive insect body excitement, and then inhibiting the s...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N43/90A01P7/04
Inventor 钱仁卷刘佳明刘洪见姚丽娟曹建明林霞
Owner ZHEJIANG SUB TROPICS CROP INST
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