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Biological-chemical synergistic sterilizer and its use

A synergistic and fungicide technology, applied in the application, biocide, animal repellent, etc., can solve the problems of short drug effect, interfere with sugar metabolism in fungi, narrow bactericidal spectrum of Jinggangmycin, and achieve a simple use method. , The control effect is stable, and it is not easy to resist the effect of

Inactive Publication Date: 2005-01-12
NANJING AGRICULTURAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Technical Problems The present invention aims at the defects of narrow bactericidal spectrum, short drug efficacy and interference with sugar metabolism in fungi used in the existing production of Jinggangmycin, and provides a new type of bio-chemical synergistic bactericide compound to expand the bactericidal spectrum and reduce The purpose of cost, prolonging the residual effect, improving the effect, increasing safety, and preventing the occurrence of drug resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1. Control rice sheath blight test

[0037] The experiment was conducted in Dayi Town, Changshu City, Jiangsu Province, and the rice variety was Yanjing 5. The test site has complete drainage and irrigation facilities, flat land, 10Kg of urea as base fertilizer, 10Kg of compound fertilizer, 8Kg of urea for tillering fertilizer, and 12Kg of urea for ear fertilizer. Conventional water culture transplanted rice, field management was carried out as usual, and the depth of the water layer was 3 cm when the pesticide was applied. The test treatments were respectively 20% Jinggangmycin·phenoxystrobin WP (20% Jinggangmycin aqueous agent 800g, phenoxystrobin original drug 40g, 884 composite auxiliary agent 60g, white carbon black 100g) per hectare 225g, 300g, 375g, the control drug is 20% Jinggangmycin water 375g / hm 2 and 30% phenoxystrobin SC 400mL / hm 2 . 6 treatments, 4 replicates per treatment, a total of 24 plots, plot area 20m 2 . Use a knapsack manual spra...

Embodiment 2

[0040] Embodiment 2 control wheat sheath blight test

[0041] This experiment is located in Longhe Township, Suyu County, Jiangsu Province. The soil type of the experiment area is Lianghe soil, the soil organic matter content is 1.5%, the total nitrogen content is 0.08%, and the pH value is 7.2. Control with other drugs. The wheat variety is Xinmai No. 9. Every hectare adopts 20% Jinggangmycin · phenoxystrobin WP (recipe sees embodiment 1) 300g, 450g, 600g, contrast agent is 20% Jinggangmycin water-soluble powder 750g and 30% phenoxystrobin 300mL. Seed on October 20, 2002, drill. During the jointing stage of wheat, the first spraying time was on March 15, 2003, with an interval of 10 days between each spraying, a total of 4 sprayings, the amount of spraying per hectare was mixed with 900kg of water, and sprayed by a small machine.

[0042] The results of the survey on May 10th analyzed the disease index of 100 plants per plot and 400 plants per treatment. The results are sh...

Embodiment 3

[0053] Example 3 Control lawn brown spot test

[0054] The experiment was arranged to be carried out on the lawn of Nanjing Agricultural University Lawn Seedlings Company, and the experimental site was sown with tall fescue in the same year. Use 20% Jinggangmycin · fenoxystrobin WP 400g, 800g, 1200g per hectare, and the control agent is 20% Jinggangmycin WP 375g / hm 2 and 30% phenoxystrobin SC 400mL. A total of 5 treatments, each with 4 replicates, a total of 20 plots, plot area 30m 2 . According to the regularity of the disease over the years, the first protective spraying began on June 23, 2003. At this time, several diseased areas with a diameter of about 5 cm appeared in the test area. The third medicine; the fourth medicine was sprayed on July 23, and the medicine was shared four times. The test uses Singapore Linong sprayer, 750L / hm 2 The liquid medicine is sprayed evenly. During the test period, it was rainy weather with a lot of rainfall, the lawn was in a humid s...

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Abstract

A chemically-biological synergistic bactericide for preventing and treating the Rhizoctonia diseases and fungal diseases of agricultural crops contains jinggangmycin A (validamycin A), kresoxim-methyl, filler, solvent, water and assistant.

Description

1. Technical field [0001] A bio-chemical synergistic fungicide and application thereof, which belong to a novel, high-efficiency, low-toxic fungicide and pesticide formula. It is dedicated to the development and production of fungicides that delay the emergence of drug resistance, are safe to use, and are easy to promote and use. 2. Technical background [0002] Methoxyacrylate fungicides (strobilurins) are a class of biomimetic synthetic fungicides developed from the natural product strobilurin A as the lead compound. After the benzimidazole and triazole fungicides, they once again shocked the field of fungicides. A new class of fungicides. This is a broad-spectrum fungicide that can effectively control plant diseases caused by oomycetes, ascomycetes, basidiomycetes and deuteromycetes. In 1992, products such as azoxystrobin and phenoxystrobin were successively developed abroad. Many countries such as the United States have successfully used this type of fungicide to prev...

Claims

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Application Information

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IPC IPC(8): A01N43/16
Inventor 李红霞王建新周明国
Owner NANJING AGRICULTURAL UNIVERSITY
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