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Bactericide agent composition

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

Inactive Publication Date: 2009-03-11
张少武
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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 relatively small, and the price is relatively high, so it is difficult to popularize and apply it on a large scale in the field of disease prevention and control in farmland.

Method used

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  • Bactericide agent composition
  • Bactericide agent composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] The preparation of formula example 1 was tested with difenoconazole and thiabendazole for controlling rice sheath blight.

[0066] Test crop: Rice Huayou 86

[0067] Application period: rice booting period

[0068] The experimental area was divided into four plots, which were sprayed with water, 10% difenoconazole WDG, 40% thiabendazole SC and 30% difenoconazole·thiabendazole WDG after the rice booting stage, and carried out 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.

[0069] potion diseased tree Incidence % Yield increase (kg) blank control 192 96 0 Difenoconazole EC 106 53 31 Thiabendazole SC 126 63 20 Difenoconazole Thiabendazole WDG 47 23.5 60

[0070] The results showed that difenoconazole + thiabendazole had a higher co...

Embodiment 2

[0072] The preparation of formula example 2 and difenoconazole, imazalil single agent are done the control test of preventing and treating citrus scab.

[0073] Test crop: citrus

[0074] Application period: citrus growth period

[0075] The test area was divided into four plots, spraying water, 10% difenoconazole WDG, 22.2% imazalil EC, and 20% difenoconazole·imazalil SC after citrus flowering, and investigating each treatment before the citrus expanded. For the disease rate, two parallel lines jump sampling method was adopted, and 200 clusters were randomly checked in each plot to calculate the control effect. After the citrus was harvested, the yield of each plot was weighed, and the blank control area was used as a reference. The analysis of drug residues on citrus trees showed that difenoconazole imazalil was safe to citrus and had no residue.

[0076] The test data is as follows:

[0077] potion diseased tree Incidence % Yield increase (kg) blank...

Embodiment 3

[0079] The preparation of formula example 3, difenoconazole, and prochloraz single agent were used as a control test for preventing and treating pear scab.

[0080] Control crops: pears (the variety is the sensitive variety Yali)

[0081] Crop target: Scab (Venturia nashicola)

[0082] Environmental conditions: The test site is located in Xinji City, Hebei Province, and the test orchard tree is 13 years old. Pear black heart disease occurs all year round and the incidence is serious. The terrain is flat, the soil is sandy loam, and the water and fertilizer conditions are good. The plant spacing is 3 meters and the row spacing is 6 meters. 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.

[0083] The disease i...

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Abstract

The invention relates a sterilization composite, consisting of siple dosage A which is Difenoconazole, and ingredient B that is selected from one of the bactericides such as probenazole, Imazalil and Prochloraz. The formulation screening test proves that Difenoconazole, probenazole, and Difenoconazole, Imazalil, and Difenoconazole, Prochloraz are mixed together according to the weight ratio of 1:50-50:1, so that the goals of synergy, simultaneous treatment, drug fastness resistance, deferred drug fastness and dosage reduction of the Difenoconazole; therefore, the bactericides are combined to prepare various preparation products, thereby the sterilization composite is proposed.

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 fungi such as Deuteromycetes, Ascomycetes, Basidiomycetes, etc. A variety of diseases caused, 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 Smut, loose smut, glume blight, root rot, sheath blight, take-all, early rust, powdery mildew, barley hard smut, loose smut, stripe disease, net spot, take-all , Soybean,...

Claims

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Application Information

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IPC IPC(8): A01N43/653A01N43/78A01N43/50A01P3/00
Inventor 张少武
Owner 张少武
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