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Method for preventing and treating loquat gray spot

A technology for gray spot disease and loquat, which is applied in the field of disease prevention and control of loquat, can solve the problems of not using botanical fungicide loquat gray spot disease, not considering the relationship between monarchs, ministers, assistants and envoys, easy to produce drug resistance, etc., and achieves prevention and control of loquat gray spot disease , good therapeutic effect, enhance the effect of mutual synergy

Inactive Publication Date: 2015-12-09
魏琦
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Long-term use is prone to drug resistance
For the current botanical medicines in the prior art, most of them are randomly combined according to the function of each component, without considering the relationship between the various components, and the effect after the combination is not increased, but will affect the combination. Effect
[0005] In the prior art, there is no report that adopts botanical fungicides to be specially used in the prevention and treatment of loquat gray spot disease

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A method for preventing and treating gray spot disease of loquats, which uses a microcapsule fungicide prepared from a plant source extract as an active ingredient, wherein the microcapsule fungicide is prepared by mass percentage from the following raw materials: plant source extract liquid 15%, mancozeb 10%, myclobutanil 10%, 2-benzimidazolyl carbamate 5%, sodium lignosulfonate 0.6%, polypropylene glycol ethylene oxide ether 0.3%, the balance for water;

[0026] Prepare microcapsule bactericide according to the following method:

[0027] (1) Preparation of plant-derived extract: mix 20kg of flat storage, 10kg of Solanum nigrum, 10kg of Artemisia annua, 5kg of pine needle oil, and 2kg of Daphne chamaejasme according to the proportion, and use a plant tissue grinder to grind to a coarse pulverization of 1mm to 3mm before mixing. , put the obtained coarse pulverized material into a container and use 50% ethanol as the extraction solvent to extract, the extraction temper...

Embodiment 2

[0030] A method for preventing and treating gray spot disease of loquats, which uses a microcapsule fungicide prepared from a plant source extract as an active ingredient, wherein the microcapsule fungicide is prepared by mass percentage from the following raw materials: plant source extract Liquid 25%, prochloraz 15%, myclobutanil 12%, Tween-207%, hydroxymethyl cellulose 0.8%, sodium lauryl sulfate 0.4%, and the balance is water.

[0031] The preparation method of microcapsule bactericide is:

[0032] (1) Preparation of plant-derived extract: mix 25kg flat storage, 15kg solanum nigrum, 12kg Artemisia annua, 8kg pine needle oil, and 3kg Daphne chamaejasme according to the ratio, and use a plant tissue grinder to grind it to a coarse pulverization of 1mm to 3mm before mixing. , put the obtained coarse crush into the container and use 65% ethanol as the extraction solvent to extract, the extraction temperature is 85°C, and the extraction time is 18 hours to obtain the extract, t...

Embodiment 3

[0035] A method for preventing and treating gray spot disease of loquats, which uses a microcapsule fungicide prepared from a plant source extract as an active ingredient, wherein the microcapsule fungicide is prepared by mass percentage from the following raw materials: plant source extract liquid 25%, mancozeb 20%, myclobutanil 15%, 2-benzimidazolyl carbamate 12%, polyvinyl alcohol 1%, sodium dodecylsulfonate 0.5%, the balance is water ; The plant source extract is prepared by the following method:

[0036] The preparation method of microcapsule bactericide is:

[0037] (1) Preparation of plant source extract: mix 30kg of flat storage, 20kg of solanum nigrum, 15kg of Artemisia annua, 10kg of pine needle oil, and 4kg of Daphne chamaejasme, and mix them with a plant tissue grinder until they are coarsely crushed to a size of 1mm to 3mm. The obtained coarse pulverized product is added to a container and extracted with 80% ethanol as an extraction solvent. The extraction temper...

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PUM

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Abstract

The invention discloses a method for preventing and treating loquat gray spot. A microcapsule bactericide is prepared from plant-derived extract and a conventional bactericide. The microcapsule bactericide is prepared from 15-25% by mass of plant-derived extract, 10-20% by mass of mancozeb, 10-15% by mass of myclobutanil, 5-12% by mass of methyl 2-benzimidazolecarbamate, 0.6-1% by mass of a surfactant, 0.3-0.5% by mass of a stabilizing agent and the balance water. The plant-derived extract bactericide comprises, by weight, 20-30 parts of herba polygoni avicularis, 10-20 parts of Solanum nigrum L., 10-15 parts of sweet wormwood, 5-10 parts of pine needle oil and 2-4 parts of stellera chameajasme. Through use of a microcapsule form, incompatible components are uniformly mixed so that component synergism is improved. Through overall consideration of a relationship of plant materials as monarch, minister, assistant and guide, effects of preventing and treating loquat gray spot are obviously improved and integrated prevention and treatment efficiency is 90% or more.

Description

technical field [0001] The invention relates to the prevention and treatment of loquat diseases, in particular to a method for preventing and treating loquat gray spot disease. Background technique [0002] Compared with traditional chemical pesticides, botanical pesticides have the advantages of easy availability of raw materials, more action sites, less resistance to pests, easy degradation, low residue, less harm to natural enemies and insects, and environmental safety. Screening highly active substances from natural products, using them as templates to synthesize new chemical pesticides, or directly developing them into natural-source pesticide preparations with high efficiency, low toxicity, low residue, and harmony with the environment has become an important step in the creation of new pesticides. One of the effective ways is the development direction of pesticides in the future. [0003] Loquat gray spot disease affects leaves, branches and fruits, and there are two...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/38A01N25/28A01P3/00A01P1/00A01G7/06A01G13/00A01N47/14A01N43/653
Inventor 魏琦
Owner 魏琦
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