Grape downy mildew prevention and treatment medicine

A grape downy mildew and medicament technology, applied in biocides, fungicides, biocides, etc., can solve the problems of increased environmental pollution, cumbersome, unsatisfactory effects, etc., to reduce environmental pollution, save raw materials, and reduce the number of times of use Effect

Inactive Publication Date: 2015-02-04
JURONG MANYUANCHUN FAMILY FARM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there are many kinds of pesticides for the control of grape downy mildew, most of which need to be applied multiple times at different stages of the disease, which is not only cumbersome, but also increases environmental pollution after multiple applications, and the effect is not ideal

Method used

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  • Grape downy mildew prevention and treatment medicine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Party:

[0027] Sodium dichloroisocyanurate 5g, eugenol 2g, myclobutanil 2g, kresoxim-methyl 1g, cnidium 20g, mulberry leaves 15g,

[0028] Perilla 12g, Artemisia annua 10g, potassium nitrate 0.2g, chitosan 40g, sodium carboxymethyl cellulose 0.2g, Tween 800.03g.

[0029] Preparation:

[0030] (1) Take Fructus Cnidii, mulberry leaves, perilla and Artemisia annua, wash them, add 6 times the volume of water, heat and boil for extraction twice, each time for 1 hour, combine the extracts, concentrate to 30°C and the relative density is 1.04, Obtain the total extract;

[0031] (2) Chitosan is added to a certain amount of pure water, heated and dissolved at 40°C to obtain a chitosan solution, kept warm, and set aside;

[0032] (3) Take sodium dichloroisocyanurate, eugenol, myclobutanil, kresoxim-methyl, sodium carboxymethylcellulose and Tween 80, mix with the above-mentioned total extract and chitosan solution, 4000r / min high-speed Disperse for 10 minutes to obtain a disp...

Embodiment 2

[0036] Party:

[0037] Sodium dichloroisocyanurate 5g, eugenol 8g, myclobutanil 6g, kresoxim-methyl 5g, cnidium 30g, mulberry leaves 25g,

[0038] 20g perilla, 20g Artemisia annua, 0.6g potassium nitrate, 60g chitosan, 0.8g sodium carboxymethylcellulose, 800.07g Tween.

[0039] Preparation:

[0040] (1) Take Fructus Cnidii Fructus, Mulberry Leaves, Perilla and Artemisia annua, wash them, add 10 times the volume of water, heat and boil for extraction twice, each time for 3 hours, combine the extracts, concentrate to 30°C and the relative density is 1.10, Obtain the total extract;

[0041] (2) Chitosan is added into a certain amount of pure water, heated and dissolved at 50° C. to obtain a chitosan solution, kept warm, and set aside;

[0042] (3) Take sodium dichloroisocyanurate, eugenol, myclobutanil, kresoxystrobin, sodium carboxymethylcellulose and Tween 80, mix with the above-mentioned total extract and chitosan solution, 6000r / min high-speed Disperse for 20 minutes to o...

Embodiment 3

[0046] Party:

[0047] Sodium dichloroisocyanurate 5g, eugenol 5g, myclobutanil 4g, kresoxim-methyl 3g, cnidium 25g, mulberry leaves 20g,

[0048] Perilla 16g, Artemisia annua 15g, potassium nitrate 0.4g, chitosan 50g, sodium carboxymethyl cellulose 0.5g, Tween 800.05g.

[0049] Preparation:

[0050] (1) Take Fructus Cnidii, mulberry leaves, perilla and Artemisia annua, wash them, add 8 times the volume of water, heat and boil for extraction twice, each time for 2 hours, combine the extracts, concentrate to 30°C and the relative density is 1.07, Obtain the total extract;

[0051] (2) Chitosan is added to a certain amount of pure water, heated and dissolved at 45°C to obtain a chitosan solution, kept warm, and set aside;

[0052] (3) Take sodium dichloroisocyanurate, eugenol, myclobutanil, kresoxim-methyl, sodium carboxymethyl cellulose and Tween 80, mix with the above-mentioned total extract and chitosan solution, and mix at a high speed of 5000r / min Disperse for 15 minute...

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Abstract

The invention discloses a grape downy mildew prevention and treatment medicine. The medicine is prepared by using the following components, by weight, 5 parts of sodium dichloroisocyanurate, 2-8 parts of eugenol, 2-6 parts of myclobutanil, 1-5 parts of kresoxim methyl, 20-30 parts of Fructus Cnidii, 15-25 parts of mulberry leaf, 12-20 parts of Perilla frutescens, 10-20 parts of Artemisia carvifolia, 0.2-0.6 parts of potassium nitrate, 40-60 parts of chitosan, 0.2-0.8 parts of carboxymethylcellulose sodium and 0.03-0.07 parts of Tween 80. Compared with medicines in the prior art, the grape downy mildew prevention and treatment medicine prepared in the invention has the advantages of protruding effect, long persistent period, reduction of the use frequency, raw material saving and environmental pollution reduction.

Description

technical field [0001] The invention relates to a control agent for grape downy mildew, which is applied in the field of agriculture. Background technique [0002] Grape downy mildew is a worldwide grape disease. It is distributed in various grape producing areas in my country, especially in rainy and humid areas. It is one of the main diseases of grapes. Grape downy mildew mainly damages leaves, and can also infect young tissues such as new shoots and young fruits. When the leaves are damaged, the initial light yellow water-soaked small spots with unclear edges gradually expand into brown irregular or polygonal lesions, and several spots connect to become large irregular spots. When the weather is humid, white downy mildew-like substances, which are the cyst peduncles and sporangia of the pathogen, are produced on the back of the lesions. When the disease is severe, the diseased leaves wither early and drop early. The young shoots are damaged, forming water-soaked spots...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N65/22A01P3/00
Inventor 李燕
Owner JURONG MANYUANCHUN FAMILY FARM
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