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Germicide composition

A technology of composition and fungicide, applied in the direction of fungicide, biocide, biocide, etc., can solve the problems of difficult popularization and application, less production and high price

Active Publication Date: 2008-12-24
ANHUI HUAXING CHEM IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the domestic production of difenoconazole technical is less, and the price is extremely high, so it is difficult to widely popularize and apply it in the field of disease prevention and control in farmland.

Method used

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  • Germicide composition
  • Germicide composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 7

[0053] The preparation of formula example 1 was tested with difenoconazole emulsifiable concentrate and triadimefon emulsifiable concentrate to control rice sheath blight.

[0054] Test crop: Rice Huayou 86

[0055] Application period: rice booting period

[0056] The test area was divided into four plots, which were sprayed with water, 20% difenoconazole EC, 20% triadimefon EC and 20% difenoconazole + triadimefon EC after the rice booting stage, half a month later. Sampling survey adopts two parallel line jump sampling method, each district checks 200 clusters randomly. After harvesting, the yield of each plot was weighed, and drug residue analysis was carried out on rice ears.

[0057] The test data is as follows:

[0058] potion

[0059] The results show that difenoconazole + triadimefon has a higher control effect on rice sheath blight, which is higher than its single dose, and it is safe to rice without residue, and the effect on increasing rice yield is also...

Embodiment 8

[0061] The preparation of formula example 6 and difenoconazole, triadimenol single agent are done the control test of preventing and treating wheat powdery mildew and rust.

[0062] Test crop: wheat

[0063] Application period: wheat seedlings

[0064] The experimental area was divided into four plots, spraying water, 10% difenoconazole WP, 15% triadimenol WP and 10% difenoconazole + triadimenol WP respectively after the wheat seedlings were ready. To deal with the disease panicle rate, two parallel lines jump sampling method was adopted, and 200 clumps were randomly checked in each plot to calculate the control effect. After the wheat was harvested, the yield of each plot was weighed, and the blank control area was used as a reference. The drug residue analysis was carried out on wheat ears, and the results showed that difenoconazole + triadimenol was safe to wheat and had no residue.

[0065] The test data is as follows:

[0066] potion

Embodiment 9

[0067] Example 9. The preparation of formula example 5 was used together with difenoconazole and flusilazole as a single dose to control pear scab.

[0068] Control crops: pear (the variety is the susceptible variety Yali)

[0069] Crop target: Scab (Venturia nashicola)

[0070] Environmental conditions: The test site is located in Xinji City, Hebei Province. The test orchard is 13 years old. Pear scab occurs all year round and is serious. The terrain is flat, the soil is sandy loam, and the water and fertilizer conditions are good. The cultivation conditions were uniform and in line with the test requirements. Use the medicine for the first time before the onset of pear scab for the first time. A high-pressure motorized sprayer was used to spray the medicine, and clean water was used as a blank control. The dosage is 12.5L / tree, spray evenly.

[0071] The disease index value and field control effect are as follows:

[0072] The field efficacy test showed that the combina...

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Abstract

A bactericide composition comprises difenoconazole (A) and at least one bactericide (B) selected from 1-(4-chlorophenoxy)-3, 3-dimethyl-1-(1H-1, 2, 4-triazole-1-methyl)-2-butanone, 1-(4-chlorophenoxy)-3, 3-dimethyl-1-(1H-1, 2, 4triazole-1methyl)butyl-2-alcohol, bi-(4-fluorophenyl)methyl(1H-1, 2, 4-triazole-1-kya methylene)silicane, and 2-(4-chlorphenyl)-2-(1H, 1, 2, 4-triazole-1-methyl) capronitrile. The composition can be used for preventing and treating rice sheath blight disease and wheat powdery mildew.

Description

technical field [0001] The invention relates to a fungicide composition and its application, especially the preparation and application of a composition composed of difenoconazole and certain systemic fungicides. Background technique [0002] Difenoconazole cis, trans-3-chloro-4-[4-methyl-2-(1H-1,2,4-triazol-1-ylmethyl)-1,3-diox Pentane-2-yl]phenyl-4-chlorophenyl ether [0003] [0004] It is a high-efficiency, broad-spectrum, new-type fungicide, mainly used in cereal crops, rice, wheat, barley, cotton, soybeans, fruit trees, vegetables and other crops to prevent and control fungi caused by fungi such as Deuteromycetes, Ascomycetes, and Basidiomycetes. A variety of diseases, such as scab, leaf spot, powdery mildew, rust of trees and vegetables, rice sheath blight, rice smut, sheath rot, rice smut, wheat dwarf smut, fishy black Ear, loose smut, glume blight, root rot, sheath blight, take-all, early rust, powdery mildew, barley hard smut, loose smut, stripe disease, net s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N43/653A01P3/00
Inventor 谢平李文明汪贵艳杨耀武汪志稳刘成社
Owner ANHUI HUAXING CHEM IND CO LTD
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