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A kind of combined fungicide containing thiamethoxam and polylysine

A technology of polylysine and thiamethoxam, which is applied in biocides, animal repellents, plant growth regulators, etc., can solve problems such as unsatisfactory control effects, difficult disease control, and increased resistance of pathogenic bacteria. Obvious synergistic effect, less dosage, less resistance effect

Active Publication Date: 2020-10-16
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

[0006] At present, the difficulty of disease control is becoming more and more difficult, the planting structure is changing, the resistance of pathogenic bacteria is increasing, the control effect of single agent is not satisfactory, and the control of plant diseases is facing huge challenges.

Method used

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  • A kind of combined fungicide containing thiamethoxam and polylysine
  • A kind of combined fungicide containing thiamethoxam and polylysine
  • A kind of combined fungicide containing thiamethoxam and polylysine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Example 1 Indoor Toxicity Determination of Thiplethidin and Polylysine Compounded to Citrus Canker

[0042] 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. Take mycelia pieces with a diameter of 5 mm from the edge of the citrus canker colony cultured on PDA medium for 4 days 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 was 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 was calcu...

Embodiment 2

[0052] Example 2 Indoor Toxicity Determination of Mango Bacterial Keratosis in Combination of Thiemadone and Polylysine

[0053] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the fungicidal composition on mango bacterial angular spot. Take mycelium pieces with a diameter of 5 mm from the edge of the mango bacterial angular spot cultured on the PDA medium for 4 days and inoculate them on the PDA medium plates containing different concentrations of fungicides, and culture them at a constant temperature at 28°C. As a blank 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 concentration (EC) of the treatment fungicide on mango bacterial angular spot was calculated....

Embodiment 3

[0062] Example 3 Indoor Toxicity Determination of Thiplethidin and Polylysine Compounded on Kiwifruit Canker

[0063] Determination method of indoor antibacterial effect: The growth rate method is used to determine the inhibitory effect of the bactericidal composition on kiwifruit canker bacterium. Take 5 mm mycelium pieces from the edge of the kiwifruit canker 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 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 the mycelial growth inhibition rate, the inhibitory medium concentration (EC) of the treatment fungicide to kiwifruit canker was calculated. 50 ), an...

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Abstract

The invention discloses a combined germicide containing benziothiazolinone and polylysine. The combined germicide contains benziothiazolinone and polylysine which serve as effective ingredients as well as auxiliary ingredients, wherein a mass ratio of benziothiazolinone to polylysine is 1-80:1-80. The combined germicide can be applied to control for bacterial diseases of fruit trees, vegetables and cereal crops, has obvious synergistic interaction, delays drug resistance of pathogenic bacteria and has a long lasting period, and application times and consumption of pesticides are reduced, and the application cost is reduced. The combined germicide can be used for controlling diseases such as citrus canker, mango bacterial angular leaf spot disease, kiwifruit canker, cucumber bacterial angular leaf spot and the like.

Description

technical field [0001] The invention relates to the field of agricultural disease prevention and control, in particular to a combined fungicide containing thiamethoxamin and polylysine. 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] Polylysine is a Japanese ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/80A01N37/46A01P1/00
CPCA01N37/46A01N43/80
Inventor 王鹏翟卫兵
Owner 陕西西大华特科技实业有限公司
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