Compositional disinsection main agent and pesticide containing destruxins of Metarhizium anisopliae and buprofezin

A technology of Metarhizin and Metarhizin, which is applied in the directions of biocides, biocides, animal repellents, etc. Synergistic effect technical reports and other issues to achieve the effect of solving drug resistance problems and environmental friendliness

Inactive Publication Date: 2011-06-22
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there is no technical report on the synergistic effect of Buprofezin and Metarhizin, and there is no technical report on the combination of the two

Method used

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  • Compositional disinsection main agent and pesticide containing destruxins of Metarhizium anisopliae and buprofezin
  • Compositional disinsection main agent and pesticide containing destruxins of Metarhizium anisopliae and buprofezin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1: Indoor toxicity determination experiment of metarhizalin, buprofezin single agent and compound main agent of the present invention to whitefly (Bemisia tabaci)

[0017] The metarhizine is any one of metarhizine A, B or E or a mixture of two or more in any proportion.

[0018] In the indoor toxicity test, Hibiscus rosa-sinensis L. was used as the test plant, and its potted seedlings were raised in insect cages, and adults of Bemisia tabaci were inserted into the insect cages. All were driven out, and the temperature of 26°C and the light of 14:10 were kept in the cage. When the Bemisia tabaci on the leaves of Hibiscus tabaci developed to the second instar nymphs, the toxicity test was carried out by dipping method, repeated 4 times, and the investigation was carried out 4 days after treatment. effect, calculate the corrected mortality rate, find the regression equation of the logarithm of the drug concentration - the probability value of the mortality rate,...

Embodiment 2

[0022] Embodiment 2: Indoor toxicity determination of wettable powder of the present invention to Bemisia tabaci

[0023] In this example, a wettable powder whose main agent accounts for 60% by mass is used. Metarhizin and buprofezin are mixed in a ratio of 1:9 in the main agent, and wettable powder (hereinafter referred to as 60% green powder) is prepared according to a conventional method. Thiolium 1:9) was used to test the toxicity of Bemisia tabaci indoors.

[0024] 60% green · thiophene (1: 9) wettable powder was diluted with water to the concentration gradient to be tested, and other experimental methods were the same as in Example 1. The experimental results are shown in Table 2. The co-toxicity coefficient of 60% green·thiazolin (1:9) wettable powder reaches 230.13, which has a significant synergistic effect.

[0025] Table 2 Toxicity determination of metarhizalin, buprofezin and 60% green thiazide (1:9) wettable powder to 2nd instar nymphs of Bemisia tabaci

[0026]...

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Abstract

The invention discloses a pesticidal main agent compounding destruxin and buprofezin, and a pesticide, and the mass ratio between the destruxin and the buprofezin is 1 to 9:9 to 1. The invention selects the destruxin to be compounded with the buprofezin and determines the optimum mixing ratio between the destruxin and the buprofezin, the destruxin plays the role of excellent synergized action to the buprofezin, and the invention solves the problem of pesticide resistance of the bemisia tabaci gennadius against the buprofezin, has a great significance for controlling the bemisia tabaci gennadius and is an environmental-friendly pesticide.

Description

technical field [0001] The invention belongs to the technical field of biopesticides, and in particular relates to a main insecticide compounded with metarhizin and buprofezin and an insecticide. Background technique [0002] The whitefly Bemisia tabaci (Gennadius) belongs to the family Aleyrodidae of the order Hopoptera and is an important worldwide pest. After the 1970s, with the appearance of type B Bemisia tabaci, the harm of Bemisia tabaci to field crops, vegetables and flowers has become increasingly serious, especially in recent years, Bemisia tabaci have been breaking out in succession all over the world. Bemisia tabaci has been breaking out successively in different regions of my country since the early 1990s, especially seriously damaging crops such as cucumber, tomato, eggplant, melon and zucchini, and the loss rate can reach more than 70% in severe cases. Bemisia tabaci has the characteristics of small size, large population, wide host range, serious overlapping...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N63/04A01N43/88A01P7/00
Inventor 任顺祥胡琼波
Owner SOUTH CHINA AGRI UNIV
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