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Bactericidal composition containing cyprodinil and jinggangmycin

A technology of Jinggangmycin and cyprodinil, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of reduced efficacy of pesticides, variation of bacterial resistance, and large dosage, so as to reduce the amount of medication and delay Effects of drug resistance, reduction of ecological damage and environmental pollution

Inactive Publication Date: 2011-06-08
安徽省农业科学院植物保护研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a single agent of cyprodinil and Jinggangmycin is used alone, not only the dosage is relatively large, but also the bacteria are prone to produce resistance mutations, reducing or even ineffective the control effect of the agents.

Method used

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  • Bactericidal composition containing cyprodinil and jinggangmycin
  • Bactericidal composition containing cyprodinil and jinggangmycin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The preparation method of 55% Jinggangmycin·cyprodinil suspension concentrate: by mass percentage.

[0028] Active ingredient Cyprodinil 5%;

[0029] Active ingredient Jinggangmycin 50%;

[0030] Sodium lignosulfonate 6%;

[0031] NP-10 4%;

[0032] Xanthan gum 0.1%;

[0033] Propylene Glycol 1%;

[0034] Silicone defoamer 0.3%;

[0035] water balance.

[0036] Preparation method: According to the formula, weigh the above components in proportion, add to a ball mill and mill for 30 minutes, filter, pump into the dispersion tank for 3 minutes at high speed, and then fully grind with a sand mill to control the particle diameter of the solid component within 2 microns , and stir evenly after grinding to obtain a suspension product. 80-100g per mu is used to control rice sheath blight and the effect can reach 85%.

[0037]

Embodiment 2

[0039] Preparation method of 55% Jinggangmycin Cyprodinil wettable powder: by mass percentage.

[0040] Active ingredient Cyprodinil 5%;

[0041] Active ingredient Jinggangmycin 50%;

[0042] Sodium butylnaphthalene sulfonate 2%;

[0043] Calcium lignosulfonate 5%;

[0044] White carbon black 8%;

[0045] Kaolin balance / 2;

[0046] Attapulgite balance / 2.

[0047] Preparation method: Put the above components into the mixer according to the proportion of the formula and mix them evenly, then carry out jet milling. 80-100g per mu is used to control rice sheath blight and the effect can reach 84%.

[0048]

Embodiment 3

[0050] The preparation method of 55% Jinggangmycin · cyprodinil water dispersible granules: by mass percentage.

[0051] Active ingredient Cyprodinil 5%;

[0052] Active ingredient Jinggangmycin 50%;

[0053] Sodium dodecylbenzenesulfonate 3%;

[0054] Calcium lignosulfonate 5%;

[0055] Polyvinyl alcohol 2.5%;

[0056] Ammonium sulfate 8%;

[0057] White carbon black 8%;

[0058] Kaolin balance / 2;

[0059]Attapulgite balance / 2.

[0060] Preparation method: add the above components into a mixer according to the formula ratio, mix them evenly, and then carry out jet milling. After the milling is completed, add a small amount of purified water to fully stir evenly, extrude and granulate, and dry to obtain the water-dispersible granule product. 80-100g per mu is used to control rice sheath blight and the effect can reach 85%.

[0061]

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Abstract

The invention discloses a bactericidal composition containing cyprodinil and jinggangmycin, which comprises active ingredients of the cyprodinil and the jinggangmycin, wherein an appropriate amount of agricultural fungicide auxiliary materials are added in the bactericidal composition for preparing a common agricultural fungicide formulation. The bactericidal composition has higher control effect for fungal diseases of crops, and two medicaments have obvious synergy; by adopting the bactericidal composition, part of high-price pesticide varieties can be replaced, the dosage can be reduced, ecological destruction and environmental pollution can be effectively reduced, and yield and quality of the crops can be improved; the cyprodinil and the jinggangmycin in the bactericidal composition belong to low toxicity medicaments and are safe to people and animals, beneficial organisms and environmental safety; and the medicament resistance of bacteria to single medicament can be further delayed.

Description

[0001] technical field [0002] The invention belongs to the field of agricultural fungicides, in particular to a fungicidal composition of cyprodinil and Jinggangmycin. [0003] Background technique [0004] Cyprodinil is a pyrimidine amine compound. The pure product is white fine crystal; the melting point is 75.9℃; the vapor pressure (25℃): 4.7×10-4Pa~5.1×10-4Pa; the mass fraction of cyprodinil ≥98%; the appearance is shallow with lumps Brown fine powder; Solubility (g / L, 25°C): >500 in acetone, dichloromethane, ethyl acetate, >440 in toluene, 150 in methanol, 140 in n-octanol, 26 in n-hexane; solubility in water 16mg / L (pure water, pH7.6); 50% cyprodinil water-dispersible granules are brown to brown granules; wetting time <5s; suspension rate >70%; storage at room temperature is stable for at least 2 years. It is an efficient broad-spectrum fungicide. It has high antibacterial activity against powdery mildew, gray mold and rice blast. The main mechanism ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N43/54A01N43/16A01P3/00
Inventor 高同春张勇
Owner 安徽省农业科学院植物保护研究所