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Compound bactericide for controlling tomato gray mold

A technology for compound fungicides and tomato gray mold, applied in the directions of fungicides, biocides, biocides, etc., can solve the problems of high price, practical promotion obstacles, etc., to improve quick-acting, reduce chemical dosage, reduce The effect of resistance to risk

Active Publication Date: 2018-02-09
INST OF PLANT PROTECTION & SOIL FERTILIZER HUBEI ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to its high price, it is hindered in actual promotion

Method used

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  • Compound bactericide for controlling tomato gray mold

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Formulation example 1: 20% tetramycin fluazinam wettable powder

[0021] Tetramycin 15%, fluazinam 5%, NNO-11%, pull open powder 3%, sodium dodecylbenzene sulfonate 2%, attapulgite 30%, and the rest is supplemented with light calcium carbonate to 100% . The above components were thoroughly mixed, pulverized by a sand mill and passed through a 300-mesh sieve to obtain a 20% tetramycin·fluazinam wettable powder.

Embodiment 2

[0022] Preparation Example 2: 18% Tetramycin Fluazinam Suspension Concentrate

[0023] Tetramycin 4%, Fluazinam 14%, Ethylene Glycol 4%, Propylene Glycol 4%, NNO-11%, NNO-7 1% Dispersion Agent, Xanthan Gum Adhesive 0.5%, Polyethylene Glycol 1% , the rest is supplemented with water to 100%, the above components are fully mixed, and pulverized by a sand mill until 90% of the medicament particles have a diameter of ≤5 μm to obtain a 18% tetramycin·fluazinam suspension.

[0024] Preparation Example 3: 18% tetramycin fluazinam microfloating agent

[0025] Tetramycin 10%, Fluazinamine 8%, N-Methylpyrrolidone 1%, Calcium Alkylbenzene Sulfonate 2%, Phenylphenol Formaldehyde Resin Polyoxyethyl Ether 2%, Ethylene Glycol 1.5%, 0.8% of silicone compounds, 1% of xanthan gum, 1% of magnesium aluminum silicate, and the rest is supplemented to 100% by water. Add tetramycin, fluazinam, solvent N-methylpyrrolidone, emulsifier calcium alkylbenzenesulfonate and phenethylphenol formaldehyde resi...

Embodiment 4

[0026] Formulation Example 4: 24% Tetramycin Fluazinam Water Dispersible Granules

[0027] Tetramycin 4%, Fluazinam 20%, Ammonium Sulfate 10%, Alkylphenol Polyoxyethylene Ether 2.5%, Sodium Dodecylbenzene Sulfonate 2.5%, Fatty Acid Polyoxyethylene Ester 3.5%, and the rest are light Calcium carbonate is supplemented to 100%, the above components are fully mixed, the mother powder is prepared by crushing, the mother powder is mixed with an appropriate amount of aqueous solution, high-speed shearing and sand mill grinding, and then fluidized bed granulation, drying, passing 24% tetramycin·fluazinam water dispersible granules can be obtained by sieving.

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Abstract

The invention discloses a compound bactericide for controlling tomato gray mold and belongs to the field of research and development of biological pesticide preparations. The compound bactericide is prepared from tetramycin and fluazinam, and is prepared according to the mass ratio of tetramycin to fluazinam at 7:1 to 1:7, preferably at 3:1. According to the compound bactericide, chemical reactiondoes not occur between the two basic materials, and the compound bactericide has an obvious synergistic effect or additive effect and is safe to use. The compound bactericide has very good poisoningactivity for different types of gray mold in fields at present, is apparently higher in effect than single dosage of tetramycin or fluazinam, and is suitable for controlling omato gray mold in vast rural areas.

Description

technical field [0001] The invention belongs to the field of biopesticide preparation research and development, and in particular relates to a compound fungicide for preventing and treating tomato gray mold. Background technique [0002] Botrytis cinerea Pers.exFr. is a worldwide disease caused by Botrytis cinerea Pers.exFr. It is particularly harmful to facility vegetables and can cause a large number of rotten fruits. Chemical control is the main means to reduce the damage caused by Botrytis cinerea Pers.exFr. . At present, the medicaments for preventing and treating Botrytis mainly include benzimidazole fungicides (carbendazim, thiophanate-methyl), N-phenylcarbamate fungicides (dimethocarb), and dicarboximide fungicides. (procymidone, iprodione), anilinopyrimidine fungicides (pyrimimethanil), chlorothalonil and mancozeb, the first four types of fungicides have greatly reduced the control effect due to the emergence of Botrytis cinerea resistance . Therefore, biological...

Claims

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Application Information

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IPC IPC(8): A01N43/90A01N43/40A01P3/00
CPCA01N43/40A01N43/90
Inventor 龚双军薛敏峰杨立军向礼波史文琦曾凡松张学江汪华喻大昭
Owner INST OF PLANT PROTECTION & SOIL FERTILIZER HUBEI ACAD OF AGRI SCI
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