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Insecticidal composition containing metarhizium anisopliae and tefluthrin

A technology of Metarhizium anisopliae and insecticidal composition, which is applied in the field of pesticides and can solve problems such as residues, water pollution, and environmental pollution

Active Publication Date: 2012-12-19
INST OF ZOOLOGY GUANGDONG ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditionally used highly toxic pesticides such as terbufos and carbofuran have been banned due to serious environmental pollution, while alternative chemical pesticides such as phoxim and chlorpyrifos are used to control peanut grubs, and there are also soil and water pollution and residual problems

Method used

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  • Insecticidal composition containing metarhizium anisopliae and tefluthrin
  • Insecticidal composition containing metarhizium anisopliae and tefluthrin
  • Insecticidal composition containing metarhizium anisopliae and tefluthrin

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The test object is the 2nd instar larvae of Anomala corpulenta Motsch, and the test agent is Metarhizium anisopliae, tefluthrin and a mixed preparation of Metarhizium anisopliae and tefluthrin. The content of Metarhizium anisopliae is 20 billion spores / g, and tefluthrin is the original drug with a content of 95%.

[0018] The test method refers to the agricultural industry standard of the People's Republic of China "Pesticide Indoor Bioassay Test Guidelines" Insecticide NY / T 1154.15-2009, and the test adopts the method of soaking insects. The 2nd-instar grub larvae were immersed in the liquid medicine for 10 seconds and taken out, and the excess liquid was absorbed with filter paper. Each treatment was repeated 4 times, and 15 larvae were dipped in each repetition. The treatment without the medicine was used as a blank control.

[0019] Use DPS data processing software for statistical analysis and calculate the LC of each drug 50 , to evaluate the activity of the test ...

Embodiment 2

[0046] Prepare 10kg of 10% Metarhizium anisopliae·Teffluthrin (9% Metarhizium anisopliae + 1% Tefluthrin) granules, the quality of each component is respectively:

[0047] Weigh 20 billion spores / gram of Metarhizium anisopliae spore powder 900g, mass fraction 95% tefluthrin technical 105g, sodium alkylbenzenesulfonate 200g, lignosulfonate 400g, gelatin 100g, bentonite 100g, warning color Acid scarlet 10g, the balance is diatomaceous earth.

[0048] making process:

[0049] Adsorb the weighed Metarhizium anisopliae and tefluthrin with the carrier diatomaceous earth, mix evenly, then add the weighed sodium alkylbenzenesulfonate, lignosulfonate, bentonite, warning color acid scarlet and mix evenly , crushed by a sand mill to a particle size of 1.5-5.0 μm. Then add 3kg of aqueous solution containing 100g of gelatin and evenly spray on the pulverized mixture to bond, granulate through a fluidized bed, dry at 120°C, pass through a 10 or 50 mesh vibrating sieve, and take a particle...

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Abstract

The invention discloses an insecticidal composition containing metarhizium anisopliae and tefluthrin, which takes the metarhizium anisopliae and the tefluthrin as basic active ingredients; and the metarhizium anisopliae and the tefluthrin are mixed according to the following proportion: and the ratio of the number of metarhizium anisopliae conidia to the gram of the tefluthrin is (29-1)*20 billions: (1-29). The insecticidal composition has the beneficial effects that an experiment discovers that the synergistic effects are remarkable after the metarhizium anisopliae is compounded with the tefluthrin, the control effects are good, and the consumption of the chemical pesticide tefluthrin can be reduced, so that the environmental pollution is reduced.

Description

Technical field: [0001] The invention belongs to the technical field of pesticides, and in particular relates to an insecticidal composition with metarhizium anisopliae and tefluthrin as main active ingredients. Background technique [0002] Metarhizium anisopliae (Metarhizium anisopliae) is a broad-spectrum entomopathogenic fungus, which has the characteristics of a wide distribution range and a broad parasitic spectrum. It is non-toxic to humans, animals and crops, and can parasitize a variety of insects. One of the most widely used insect fungi. According to incomplete statistics, there are more than 200 kinds of insects in the world that can be infected and killed by this fungus. Metarhizium anisopliae has significant insecticidal effect, and has a new mechanism of action different from existing insecticides, mainly acting on the hemolymph immune system of insects, causing them to lose their immune defense functions. The global research on Metarhizium anisopliae has a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/04A01N53/06A01P7/04
Inventor 徐齐云安新城叶静文韩诗畴
Owner INST OF ZOOLOGY GUANGDONG ACAD OF SCI
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