Composition for controlling agricultural diseases

A composition and disease technology, which is applied in the field of composition for preventing and controlling plant diseases, can solve the problems such as the decline of control effect, and achieve the effect of reducing application amount, lasting control effect, and widening the application interval

Inactive Publication Date: 2017-11-07
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the prolongation of use time, the resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0019] Example 1 Prevention and Control of Tomato Botrytis

[0020] Test method: Spray once at the early stage of disease onset, and treat 3 plots for each plot, each plot is 20 square meters. Investigate and count the incidence before and 10 days after the application, randomly sample at 5 points in each plot, investigate the percentage of lesion area on each leaf of the whole plant to the leaf area, and calculate the disease index and control effect.

[0021] Prepare soluble reagents according to the following ratio

[0022] Yebuazole 2%;

[0023] Thymol 20%;

[0024] Dispersant (lignosulfonic acid) 10%;

[0025] Solvent (dimethylformamide) 68%;

[0026] The preparation made according to the above ratio is diluted 2000 and 4000 times and sprayed, and 20% thymol is used as a control, and the control effects on tomato gray mold are 97% and 78%. The control effects of the control were 63% and 48%, respectively.

Example Embodiment

[0027] Example 2 Tobacco spot disease

[0028] Test method: Spray once at the early stage of disease onset, and treat 3 plots for each plot, each plot is 20 square meters. Investigate and count the incidence before and 10 days after the application, randomly sample at 5 points in each plot, investigate the percentage of lesion area on each leaf of the whole plant to the leaf area, and calculate the disease index and control effect.

[0029] Prepare soluble reagents according to the following ratio

[0030] Yebuazole 10%;

[0031] Thymol 10%;

[0032] Dispersant (lignosulfonic acid) 10%;

[0033] Solvent (dimethylformamide) 70%;

[0034] The preparation made according to the above ratio, diluted 2000, 4000 times and sprayed, with 20% thyme as a control, the control effect on tobacco red spot disease reached 96%, 70%, and the control effect only reached 73% and 56%. .

Example Embodiment

[0035] Example 3 Citrus canker

[0036] Test method: Spray once at the early stage of disease onset, and treat 3 plots for each plot, each plot is 20 square meters. Investigate and count the incidence before and 10 days after the application, randomly sample at 5 points in each plot, investigate the percentage of lesion area on each leaf of the whole plant to the leaf area, and calculate the disease index and control effect.

[0037] Prepare soluble reagents according to the following ratio

[0038] Yebuazole 0.1%;

[0039] Thymol 10%;

[0040] Dispersant (lignosulfonic acid) 10%;

[0041] Solvent (dimethylformamide) 70%;

[0042] The preparation formulated according to the above ratio, diluted 500 times and sprayed, with 10% ecloazole as a control, the control effect on citrus is more than 65%, and the control effect of the control can only reach 26%.

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PUM

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Abstract

The invention discloses a mixture for controlling agricultural diseases. Active ingredients of the mixture are bismerthiazol and thymol. According to the composition, bismerthiazol is subjected to binary mixing with other pesticide adjuvants such as thymol and the like. The composition is applied to control of the agricultural diseases, and bacteria and fungi control performance can be improved substantially. The two effective components in the composition have a synergetic effect, the application dose is reduced, more lasting control effect is realized, harmful bacteria and fungi of plants are controlled better by only one time or several times of application, and possible application interval time is prolonged.

Description

technical field [0001] The invention belongs to the technical field of agricultural protection, and in particular relates to a composition for preventing and controlling plant diseases. Background technique [0002] The resistance of plant diseases to pesticides develops rapidly, and it is difficult to control them with pesticides. It has caused large-scale production reduction of agricultural products and caused serious economic losses. [0003] Copper preparations are mainly used to prevent and control bacterial diseases in agricultural production. These agents have severe drug resistance and low control efficiency, polluting soil, water and food in the environment, causing environmental and food safety risks. There are only a small number of other varieties that can be used for agricultural bacterial treatment, which are limited by resistance and control effect in actual production, and the promotion area is small. [0004] Bismerthiazol, first synthesized by Sichuan P...

Claims

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Application Information

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IPC IPC(8): A01N43/824A01N31/08A01P3/00A01P1/00
CPCA01N43/82A01N31/08A01N2300/00
Inventor 折冬梅
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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