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Bactericidal synergistic composition for preventing and treating tomato gray mold

A tomato gray mold and composition technology is applied in the field of bactericidal and synergistic compositions for preventing and treating tomato gray mold, which can solve the problems of large dosage of chemicals, environmental pollution, and rapid development of pathogen resistance, and achieve reduction of dosage, Cost reduction, good control effect

Inactive Publication Date: 2019-05-17
桂林市经济作物技术推广站
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a kind of bactericidal synergistic composition for preventing and treating Botrytis cinerea in order to overcome the above-mentioned single bactericide that has a large amount of medicament, serious environmental pollution, and rapid generation of pathogen resistance.

Method used

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  • Bactericidal synergistic composition for preventing and treating tomato gray mold
  • Bactericidal synergistic composition for preventing and treating tomato gray mold
  • Bactericidal synergistic composition for preventing and treating tomato gray mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Embodiment 1: 1% L-carvone · pyrimethanil wettable powder

[0025]

[0026] The active ingredients and various additives are mixed according to the proportion of the formula, pulverized by a coarse pulverizer, and then entered into a jet pulverizer to pulverize and mix to obtain 1% L-carvone · pyrimethanil wettable powder.

Embodiment 2

[0027] Embodiment 2: 16% L-carvone · pyrimethanil water dispersible granules

[0028]

[0029] The active ingredients and various additives are mixed according to the ratio of the formula, and after jet crushing, granulation is carried out in a granulator, then dried and sieved to obtain 16% L-carvone·pyrimethanil water dispersible granules .

Embodiment 3

[0030] Embodiment 3: 35% L-carvone pyrimethanil suspension concentrate

[0031]

[0032] Mix the active ingredients, various additives, water and other components according to the proportion of the formula, put them into a high-shear emulsifier and shear for 10 minutes, and then use a sander to grind to obtain 30% L-carvone·pyrimethanil suspension agent.

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Abstract

The invention discloses a bactericidal asynergistic composition for preventing and treating tomato gray mold. The bactericidal synergistic composition is prepared from effective components, namely a compound A and a compound B, in a compounded mode, wherein the compound A is l-carvone, and the compound B is any one of pyrimethanil, iprodione and procymidone. The bactericidal synergistic composition is applied to prevention and treatment of various diseases of crops such as vegetables and fruit trees, and is especially suitable for preventing and treating the tomato gray mold. Compared with a single agent, through the bactericidal synergistic composition, the prevention and treatment effects are improved, the dosage can be decreased significantly, and environmental pollution is reduced. Meanwhile, action mechanisms of effective components in the bactericidal synergistic composition are different mutually, and drug resistance of germs is overcome and delayed advantageously.

Description

technical field [0001] The invention relates to the technical field of pesticides, in particular to a bactericidal and synergistic composition for preventing and treating Botrytis cinerea. Background technique [0002] Botrytis cinerea is an important disease of tomato grown in greenhouses. The pathogen mainly infects the fruit, and the infection spreads from the remaining flower and receptacle to the fruit or fruit stalk, making the pericarp gray and water-soaked, soft and rotten; later on the fruit surface, calyx A large number of gray-brown mold layers appear on the fruit stalk, and the fruit loses water and becomes rigid. Botrytis cinerea also damages stems and leaves. Lesions are seen on the leaves at the adult stage, developing in a "V" shape from the edge to the inside, and producing ring patterns of the same depth. A small amount of gray mold grows on the surface, and the leaves eventually die. [0003] In the process of agricultural production, in order to reduce t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N35/06A01N43/54A01N47/38A01N53/00A01N37/32A01P3/00
Inventor 管欢高立波汤雪莲于琴芝潘荣唐学军谭海文蒋玉梅伍永炎廖红梅李晓晖梁群刘广安李林超
Owner 桂林市经济作物技术推广站
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