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Pesticide composition containing azoxystrobin and propamidine

A technology of pesticide composition and propamidine, which is applied in the field of pesticide composition, can solve the problems of reducing the risk of azoxystrobin or propamidine resistance, and the combination of azoxystrobin and propamidine has not been seen, so as to improve the control effect and overcome Bacteria resistance, cost reduction effects

Active Publication Date: 2015-01-21
GUANGDONG ZHONGXUN AGRI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The combination of azoxystrobin and propamidine enhances the protective effect on crops, and at the same time reduces the risk of resistance caused by using azoxystrobin or propamidine alone. There is no report on the combination of azoxystrobin and propamidine

Method used

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  • Pesticide composition containing azoxystrobin and propamidine
  • Pesticide composition containing azoxystrobin and propamidine
  • Pesticide composition containing azoxystrobin and propamidine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The following substances are all percentages by weight: azoxystrobin 35%, propaneamidine 5%, calcium lignosulfonate 5%, calcium dodecylbenzenesulfonate 4%, dodecyl betaine 5%, fatty alcohol polyoxygen Vinyl ether 6%, glycerol 5%, gum arabic 0.1%, and the balance is deionized water; the above formula is pre-crushed in proportion, then added to a sand mill for grinding, and prepared after high-shear mixing to obtain 40 % Azoxystrobin Propanamidine Suspension Concentrate.

[0019] This embodiment is used to control strawberry gray mold. 40% azoxystrobin · propaneamidine suspension was diluted with water at 200g.a.i. / ha and sprayed, and the control effects were 92.2% and 84.3% after 7 days and 14 days after application; 25% azoxystrobin suspension was 300g.a.i. / ha ha add water to dilute the spray, the control effect is 84.1% and 73.5% respectively 7 days and 14 days after the drug; 2% propaneamidine water is diluted and sprayed with water at 250g.a.i. / ha, the control effec...

Embodiment 2

[0022] The following substances are all percentages by weight: azoxystrobin 15%, propaneamidine 15%, sodium lignosulfonate 5%, styrene phenol polyoxyethylene ether 5%, methyl oleate 20%, organic bentonite 10%, twelve Calcium salt of alkyl sulfonate is 8%, and the balance is turpentine; the above formula is pre-crushed according to the proportion, and then added to a sand mill for grinding, and after high-shear mixing, it is prepared to prepare 30% azoxystrobin propamidine dispersible oil suspension.

[0023] This embodiment is used to control Botrytis cinerea. 30% azoxystrobin propaneamidine dispersible oil suspension was diluted with water at 200mg / kg and sprayed, and the control effects were 94.8% and 85.2% after 7 days and 14 days after the drug; 25% azoxystrobin suspension was 300mg / kg Add water to dilute the spray, and the control effects after 7 days and 14 days are 83.4%, 71.1%; 2% propaneamidine aqueous solution is diluted with water at 500 mg / kg, and the control effe...

Embodiment 3

[0026] The following substances are all percentages by weight: azoxystrobin 45%, propaneamidine 15%, calcium lignosulfonate 6%, polycarboxylate 7%, glucose 6%, naphthalene sulfonate 5%, and the balance is kaolin. The above formula is dry crushed, granulated, dried and sieved according to the proportion to prepare 60% azoxystrobin·propaneamidine water dispersible granules.

[0027] This example is used to control cucumber gray mold. 60% azoxystrobin propaneamidine water dispersible granule is diluted with water at 220g.a.i. / ha and sprayed, and the control effects of 7 days and 14 days after the drug are 91.8% and 81.6% respectively; 25% azoxystrobin suspending agent is 300g. a.i. / ha diluted with water, the control effects were 82.2% and 71.3% 7 days and 14 days after the application; 2% propaneamidine water was diluted with 300g.a.i. / ha and sprayed with water, and the control effects were 7 days and 14 days after the application. 83.6% and 72.4%. The combination of azoxystrob...

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Abstract

The invention discloses a pesticide composition with active ingredients being azoxystrobin and propamidine. The pesticide composition contains a commonly-used auxiliary agent, azoxystrobin and propamidine. Weight ratio of azoxystrobin to propamidine is 25:1-1:7. The total weight of azoxystrobin and propamidine in the pesticide composition is 1-85 wt%. After azoxystrobin and propamidine are compounded, the pesticide composition has an obvious synergistic effect, and dosage of the active ingredients of the compounded medicine is obviously reduced in comparison with dosage of each active ingredient which is used separately. The pesticide composition is applicable to control crop diseases caused by pathogenic fungi, especially crops' gray mold caused by Botrytis pathogen and crops' epidemic disease caused by Phytophthora pathogen.

Description

technical field [0001] The invention relates to a pesticide composition, in particular to a pesticide composition containing azoxystrobin and propamidine. Background technique [0002] Azoxystrobin, the English common name Azoxystrobin, is a methoxyacrylate fungicide. Azoxystrobin is a mitochondrial respiration inhibitor, which prevents electron transfer during cytochrome synthesis, and has protection, treatment, and leaf penetration. Efficient, broad-spectrum, against almost all fungal kingdoms (Ascomycotina, Basidiomycotina, Flagellate and Deuteromycotina) diseases such as powdery mildew, rust, glume blight, net spot, downy mildew It has good activity against disease, rice blast, etc. It can be used for stem and leaf spray, seed treatment, and soil treatment. [0003] Propamidine, English common name Propamidine, is an aromatic diamidine compound. Propamidine is a systemic fungicide, which can be absorbed, distributed and metabolized in plants, and has protective and ther...

Claims

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Application Information

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IPC IPC(8): A01N43/54A01P3/00A01N37/52
Inventor 王礼文刘鹏陈佛祥冷忠国朱刚张志伟
Owner GUANGDONG ZHONGXUN AGRI TECH
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