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Compositional main pesticide and pesticide containing destruxins of Metarhizium anisopliae and phoxim

A technology of metarhizin and phoxim, which is applied in biocides, biocides, animal repellents, etc., and can solve problems such as no reports on the combination of metarhizin and phoxim

Inactive Publication Date: 2009-05-20
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] There is no report on the combination of metarhizine and phoxim

Method used

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  • Compositional main pesticide and pesticide containing destruxins of Metarhizium anisopliae and phoxim
  • Compositional main pesticide and pesticide containing destruxins of Metarhizium anisopliae and phoxim

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1 Toxicity determination of main ingredient of insecticide of the present invention to cruciferous vegetable pests

[0021] The diamondback moth (Plutella xylostella) was used as the experimental object, and the leaf drug film method was used for indoor toxicity determination.

[0022] Metarhizin and phoxim single agent and each agent were prepared to the required concentration according to the mass ratio of 6-1:4-9, 6 concentration gradients were set for each treatment, and 3 repetitions were set for each concentration. The metarhizine is any one of metarhizin A, metarhizin B or metarhizin E or a mixture of two or more in any proportion. Clean and non-pesticide-polluted pakchoi leaves were dipped in the medicinal solution for 5 seconds, then taken out and dried in the shade, put into a petri dish with a diameter of 9 cm and covered with filter paper, and then inserted into 15 third-instar larvae of diamondback moth. Placed in a breeding room for feeding. The ...

Embodiment 2

[0026] Example 2 Indoor toxicity determination of 50% metarhizine and phoxim (mixing ratio 1:9) EC to Plutella xylostella

[0027] 50% metarhizalin and phoxim (mixing ratio 1:9) emulsifiable concentrate was diluted with water to the concentration gradient to be measured, other experimental methods were the same as in Example 1, and the results were shown in Table 2. The co-toxicity coefficient of the emulsifiable concentrate reached 150.48, Has obvious synergistic effect.

[0028] Table 2 Toxicity determination of metarhizine, phoxim and 50% green·octine (1:9) EC on third instar larvae of Spodoptera litura

[0029]

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PUM

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Abstract

The invention discloses a pesticidal main agent and a pesticide by compounding destruxins of Metarrhizium anisopliae and phoxim. The main agent is a mixture of the destruxins of Metarrhizium anisopliae and the phoxim; and the mass ratio of the destruxins of Metarrhizium anisopliae to the phoxim is 6-1:4-9. The invention simultaneously provides a pesticide which comprises the pesticidal main agent and conventionally used assistant agents. The invention utilizes organophosphorus insecticide and acaricide with high efficiency, safety and broad spectrum, namely the phoxim, and entomopathogenic fungi with obvious disinsection effect, namely the destruxins of Metarrhizium anisopliae, for compounding, and determines the preferable compounding ratio of both through a large number of experiments to prepare the pesticide; and the pesticide has brand-new action mechanism different from the prior pesticides and obvious disinsection effect, particularly has obvious toxic action on main pests which severely harms brassicaceous vegetables, and has the characteristic of environmental protection at the same time.

Description

technical field [0001] The invention belongs to the technical field of biopesticides, and relates to an insecticide main agent compounded with metarhizin and phoxim and an insecticide. Background technique [0002] At present, chemical pesticides are still the main means of application in agricultural production. Due to continuous, frequent and high-dose use, the resistance of pests to commonly used chemical pesticides is increasing, and the control effect is declining. [0003] Phoxim is an efficient, safe and broad-spectrum organophosphorus insecticide and acaricide. It has contact and stomach poisoning effects on pests, and has osmotic effect, but no systemic conduction effect. Phoxim has good control effects on foliar pests, underground pests, stored grain pests, internal and external livestock parasites and various sanitary pests. It has a remarkable control effect on the larvae of various Lepidoptera pests that endanger agricultural, forestry, and horticultural crops,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N63/04A01N57/16A01P7/00
Inventor 胡琼波任顺祥
Owner SOUTH CHINA AGRI UNIV
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