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Sterilizing composition and application thereof

A composition and technology of Trichoderma, applied in the application, fungicide, biocide and other directions, can solve the problems of unsatisfactory drug effect, increasing the cost of pesticide use, increasing the load of environmental self-degradation, etc.

Inactive Publication Date: 2017-01-04
陕西西大华特科技实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in agricultural production activities, the long-term use of a single bacteriostatic agent is likely to cause the risk of drug resistance, resulting in unsatisfactory drug efficacy. In order to improve the bactericidal effect, farmers often increase the dosage to ensure the efficacy, but increasing the dosage not only increases the cost of pesticide use Also increases the environmental self-degradation load

Method used

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  • Sterilizing composition and application thereof
  • Sterilizing composition and application thereof

Examples

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preparation example Construction

[0032] In the present invention, the preparation method of the water-dispersible granules preferably comprises the following steps:

[0033] A. Will take thiamethoxam, 3×10 10 cfu / g of Trichoderma, pull open powder, calcium lignosulfonate, naphthalene sulfonate, white carbon black and talcum powder are mixed, crushed by airflow, and then granulated after adding water and kneading;

[0034] B. Drying and sieving the material obtained from the granulation to obtain a water-dispersible granule.

[0035] In the present invention, the particle size of the jet milled material is preferably 800-1000 mesh, more preferably 900 mesh.

[0036] In the present invention, the volume of the added water is not particularly limited, and the amount of water added during granulation known to those skilled in the art can be used.

[0037] In the present invention, the granulation method is not particularly limited, and a granulation technical solution well known to those skilled in the art can ...

Embodiment 1～10

[0048] Indoor toxicity determination method of thiamethoxam and Trichoderma against cucumber downy mildew according to different ratios

[0049] In embodiment 1, thiamethoxam and 3 * 10 10 The Trichoderma of cfu / g measures the indoor virulence of cucumber downy mildew according to the ratio of 2:1 by weight; 10 The Trichoderma of cfu / g measures the indoor virulence of cucumber downy mildew according to the ratio of 5:1 by weight; 10 The Trichoderma of cfu / g measures the indoor virulence of cucumber downy mildew according to the ratio of 15:1 by weight; 10 The Trichoderma of cfu / g measures the indoor virulence of cucumber downy mildew according to the ratio of 30:1 by weight; 10 The Trichoderma of cfu / g measures the indoor virulence of cucumber downy mildew according to the ratio of 50:1 by weight; 10 The Trichoderma of cfu / g measures the indoor virulence of cucumber downy mildew according to the ratio of 150:1 by weight; 10 The Trichoderma of cfu / g measures the indoor viru...

Embodiment 11～20

[0061] Indoor virulence determination of thiamethoxam and Trichoderma in different proportions against citrus anthracnose.

[0062] In embodiment 11, thiamethoxam and 3 * 10 10 The Trichoderma of cfu / g measures the indoor virulence of citrus anthracnose according to the ratio of 2:1 by weight; 10 The Trichoderma of cfu / g measures the indoor virulence of citrus anthracnose according to the ratio of weight ratio 5:1; In embodiment 13, thiamethoxam and 3 * 10 10 The Trichoderma of cfu / g measures the indoor virulence of citrus anthracnose according to the ratio of weight ratio 15:1; In embodiment 14, thiamethoxam and 3 * 10 10 The Trichoderma of cfu / g measures the indoor virulence of citrus anthracnose according to the ratio of weight ratio 30:1; In embodiment 15, thiamethoxam and 3 * 10 10 The Trichoderma of cfu / g measures the indoor virulence of citrus anthracnose according to the ratio of weight ratio 50:1; In embodiment 16, thiamethoxam and 3 * 10 10 The Trichoderma of cfu / ...

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Abstract

The invention provides a sterilizing composition. The sterilizing composition is prepared from benziothiazolinone and trichoderma sp, wherein the weight ratio of the benziothiazolinone to the trichoderma sp is 1:600 to 1.5:1, and the trichoderma sp content in the sterilizing composition is 0.5-10<8> cfu / g-3.0*10<8> cfu / g. The toxicity index order co-toxicity coefficient (CTC) greater than 120 of the reagent is calculated by adopting the method proposed by Sun yunpei method within the weight ratio range of the benziothiazolinone and the trichoderma sp being 1:600 to 1.5:1, and it is indicated that the benziothiazolinone and the trichoderma sp have an obvious synergic effect through matched usage. Compared with bactericides independently prepared by the benziothiazolinone and the trichoderma sp, the sterilizing composition has remarkably-improved sterilization effect, the usage amount is decreased, and the negative effect on the environment is reduced.

Description

technical field [0001] The invention relates to the technical field of biopesticide fungicides, in particular to a fungicide composition and its application. Background technique [0002] At present, in domestic agricultural production activities, crop root or stem diseases caused by fungi, bacteria, nematodes and viruses are becoming more and more serious. In addition, long-term land continuous cropping, multiple cropping and unscientific fertilizer application have aggravated the occurrence of diseases, such as damping-off Disease, root rot, blight, etc. can easily cause seedling death, lack of rows and broken ridges, and even cause seedlings to fall and die in pieces. [0003] Trichoderma can effectively prevent plant diseases caused by pathogenic bacteria such as Pythium, Rhizoctonia solani, Fusarium, Botrytis cinerea, Rhizopus niger and Cylindrosporium, and can produce a variety of biological activities of disease resistance and insect resistance Substances can increas...

Claims

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Application Information

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IPC IPC(8): A01N63/04A01N43/80A01P3/00
CPCA01N43/80A01N63/30A01N2300/00
Inventor 王鹏崔继承段新新
Owner 陕西西大华特科技实业有限公司