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Bactericidal composition containing benziothiazolinone and pyraoxystrobin and application

A technology of pyraclostrobin and thiamethoxam, which is applied in the direction of application, fungicide, biocide, etc., can solve the problems of intolerance to storage, affecting tree vigor, and rot, so as to achieve resistance, obvious synergy, and long-lasting effects

Inactive Publication Date: 2019-02-05
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

Seedlings and saplings are particularly severely damaged, resulting in fallen leaves and dead shoots, which will affect the tree vigor; the severely damaged fruit will drop fruit, and the light one will have disease scars, which will not tolerate storage and rot, which will greatly reduce the commodity value of the fruit and increase the cost of disease and pest control for fruit farmers. , loss of economic benefits
At present, there is no report on the combined fungicides of thiamethoxam and pyraclostrobin to control cucumber downy mildew, rice blast, wheat head blight, and citrus canker

Method used

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  • Bactericidal composition containing benziothiazolinone and pyraoxystrobin and application
  • Bactericidal composition containing benziothiazolinone and pyraoxystrobin and application
  • Bactericidal composition containing benziothiazolinone and pyraoxystrobin and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Example 1 Indoor toxicity determination of thiamethoxam and pyraclostrobin compounded against citrus canker

[0029] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on the pathogen of citrus canker. From the edge of the citrus canker disease cultured on PDA medium for 4 days, take mycelium pieces with a diameter of 5mm and inoculate them on PDA medium plates containing different concentrations of fungicides, and culture them at a constant temperature at 28°C. The plate without the agent is used as a blank control After 4 days, the colony diameter of each treatment was measured, and the percentage of inhibition of the growth of the mycelia was calculated. Through the regression analysis of the logarithm of each treatment dose and the probability value of mycelial growth inhibition rate, the inhibitory medium concentration (EC) of the treatment fungicide to citrus canker w...

Embodiment 2

[0039] Example 2 Indoor toxicity determination of thiamethoxam and pyraclostrobin compounded against cucumber downy mildew

[0040] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on cucumber downy mildew. Take 5 mm mycelium pieces from the edges of cucumber downy mildew colonies cultured on PDA medium for 4 days and inoculate them on PDA medium plates containing different concentrations of fungicides, culture at a constant temperature at 28°C, and use the plate without the agent as a blank As a control, measure the colony diameter of each treatment after 4 days, and calculate the inhibitory percentage of the medicament to mycelial growth. Through the regression analysis of the logarithm of each treatment dose and the probability value of mycelial growth inhibition rate, the inhibitory medium concentration (EC) of the treatment fungicide to cucumber downy mildew was calculated....

Embodiment 3

[0049] Example 3 Indoor toxicity determination of thiamethoxam and pyraclostrobin compounded against rice blast

[0050] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on rice blast fungus. Take mycelia pieces with a diameter of 5mm from the edge of rice blast colonies cultured on PDA medium for 4 days and inoculate them on PDA medium plates containing different concentrations of fungicides, culture at a constant temperature of 28°C, and use the plate without the agent as a blank control After 4 days, the colony diameter of each treatment was measured, and the percentage of inhibition of the growth of the mycelia was calculated. The logarithm of each treatment dose and the probability value of mycelial growth inhibition rate were used for regression analysis to calculate the inhibitory medium concentration (EC) of fungicides to rice blast. 50 ), and then calculate the co-toxi...

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Abstract

The invention discloses a bactericidal composition containing benziothiazolinone and pyraoxystrobin. The bactericidal composition is prepared from active ingredients of benziothiazolinone and pyraoxystrobin and auxiliary ingredients, wherein the mass ratio of the benziothiazolinone to pyraoxystrobin is (1 to 80) to (1 to 80). The bactericidal composition can be used for preventing and controllinga plurality of bacterial and fungal diseases of fruit trees, vegetables and cereal crops, realizes an obvious synergistic effect, delays drug resistance of pathogenic bacteria, has long duration, reduces the frequency of drug administration as well as the dosage, and lowers the using cost. The bactericidal composition disclosed by the invention can be used for preventing and treating the diseasessuch as citrus canker, cucumber downy mildew, rice blast and wheat scab, and realizes a remarkable effect.

Description

technical field [0001] The invention relates to the field of agricultural disease prevention and control, in particular to a combined fungicide containing thiamethoxam and pyraclostrobin and its application. Background technique [0002] Benziothiazolinone is a heterocyclic fungicide developed by Shaanxi Xidahuate Technology Industry Co., Ltd. Molecular formula: C 7 h 5 NOS, chemical name: 1,2 benzisothiazolin-3-one. [0003] Thiemadone is a high-efficiency, low-toxicity, broad-spectrum fungicide, which can destroy the cell membrane protein and synthesis system of pathogenic bacteria, thereby inhibiting the reproduction of pathogenic bacteria, interfering with the metabolism of pathogenic bacterial cells, making them physiologically disordered, and leading to the death of pathogenic bacteria. The compound has good control effects on various crop diseases caused by bacteria and fungi, is very safe to crops and the environment, has low toxicity and no residue. [0004] Pyr...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01N43/56A01P3/00
CPCA01N43/56A01N43/80
Inventor 李敏王鹏
Owner 陕西西大华特科技实业有限公司
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