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Prevention and control medicament for tobacco black shank and use method thereof

A technology of tobacco black shank and medicament, which is applied in the direction of chemicals for biological control, soil preparation methods, gardening methods, etc., can solve the problems of poor effect and restrict the development of tobacco leaves, and achieve remarkable effects, improved application value, and dosage little effect

Inactive Publication Date: 2021-04-23
YUNNAN TOBACCO CORP QUJING BRANCH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current methods for preventing and treating tobacco black shank are less effective, which restricts the development of tobacco leaves to a certain extent.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A preventive and control medicament for tobacco black shank, comprising medicament A and medicament B, wherein the medicament A includes 1000 times liquid of 46% copper hydroxide aqueous solution, 500 times liquid of 2% kasugamycin aqueous solution and 20 300 times of chlorfenadin emulsion; the agent B includes 2500 times of 6.25% fluopyram, 2500 times of 62.5% propamocarb hydrochloride, 2500 times of 22% flufenadil and 41.7% fluoride Pyramipram 10000 times solution.

[0024] The above-mentioned method for using a preventive and control agent for tobacco black shank comprises the following steps:

[0025] S1, preparation of medicament A:

[0026] Prepare respectively 1000 times of liquid of 46% copper hydroxide aqua, 500 times of liquid of 2% kasugamycin water and 300 times of 20% chlorfenadin emulsion according to concentration requirements, and mix them uniformly for subsequent use;

[0027] S2, preparation of medicament B:

[0028] Prepare 2500 times liquid of 6.2...

Embodiment 2

[0033] A preventive and control medicament for tobacco black shank, comprising medicament A and medicament B, wherein the medicament A includes 1000 times liquid of 46% copper hydroxide aqueous solution, 500 times liquid of 2% kasugamycin aqueous solution and 20 300 times of chlorfenadin emulsion; the agent B includes 2500 times of 6.25% fluopyram, 2500 times of 62.5% propamocarb hydrochloride, 2500 times of 22% flufenadil and 41.7% fluoride Pyramipram 10000 times solution.

[0034] The above-mentioned method for using a preventive and control agent for tobacco black shank comprises the following steps:

[0035] S1, preparation of medicament A:

[0036] Prepare respectively 1000 times of liquid of 46% copper hydroxide aqua, 500 times of liquid of 2% kasugamycin water and 300 times of 20% chlorfenadin emulsion according to concentration requirements, and mix them uniformly for subsequent use;

[0037] S2, preparation of medicament B:

[0038] Prepare 2500 times liquid of 6.2...

Embodiment 3

[0042] A preventive and control medicament for tobacco black shank, comprising medicament A and medicament B, wherein the medicament A includes 1000 times liquid of 46% copper hydroxide aqueous solution, 500 times liquid of 2% kasugamycin aqueous solution and 20 300 times of chlorfenadin emulsion; the agent B includes 2500 times of 6.25% fluopyram, 2500 times of 62.5% propamocarb hydrochloride, 2500 times of 22% flufenadil and 41.7% fluoride Pyramipram 10000 times solution.

[0043] The above-mentioned method for using a preventive and control agent for tobacco black shank comprises the following steps:

[0044] S1, preparation of medicament A:

[0045] Prepare respectively 1000 times of liquid of 46% copper hydroxide aqua, 500 times of liquid of 2% kasugamycin water and 300 times of 20% chlorfenadin emulsion according to concentration requirements, and mix them uniformly for subsequent use;

[0046] S2, preparation of medicament B:

[0047] Prepare 2500 times liquid of 6.2...

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PUM

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Abstract

The invention discloses a prevention and control medicament for tobacco black shank and a use method thereof. The prevention and control agent comprises an agent A and an agent B. The agent A comprises: 46% of a copper hydroxide aqueous solution 1000-fold solution, 2% of a kasugamycin aqueous solution 500-fold solution and 20% of a thiediazole ketone emulsion 300-fold solution; and the agent B comprises: 6.25% of a fluopicolide 2500-fold solution, 62.5% of a propamocarb hydrochloride 2500-fold solution, 22% of a penflufen 2500-fold solution and 41.7% of a fluopicolide 10000-fold solution. According to the method, tobacco seedlings are treated through the medicament, rhizomes of the tobacco seedlings are not subjected to medicament treatment, root irrigation treatment is conducted after the tobacco seedlings are transplanted, the prevention and treatment effect on tobacco black shank is more thorough, and tobacco growth is not affected. According to the invention, germs carried by the tobacco seedlings and in the soil can be effectively and thoroughly eradicated, a soil conditioner is applied before tobacco seedling transplanting to improve the soil, control the soil germs and improve the actual application value of the soil, so that the tobacco black shank can be effectively and thoroughly eradicated, the dosage is small, the cost is low, and the effect is remarkable.

Description

technical field [0001] The invention relates to the technical field of tobacco planting, in particular to a preventive and control agent for tobacco black shank and its application method. Background technique [0002] Tobacco black shank, also known as tobacco black root and black stem madness, is an important soil-borne fungal disease that occurs on tobacco caused by Phytophthora nicotiana infection. It mainly infects the roots and stem bases of tobacco, forming black sunken spots on it, so it is called "black shank". The seedbed stage generally occurs less, and mainly damages the tobacco plants in the field stage. [0003] Tobacco black shank mainly infects the roots and stem bases of tobacco, and generally occurs less frequently in the seedbed stage, and mainly damages tobacco plants in the field stage. Symptoms vary greatly depending on the growth stage of the tobacco plant and the climatic conditions. However, the current methods for preventing and treating tobacco ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N59/20A01N43/16A01N43/40A01N47/12A01N43/56A01P3/00A01G13/00A01G7/06A01B79/00
Inventor 蔡永占韩小女高华锋邱春丽黄飞燕刘佳妮方宇王启宇吴治兴赵娅红叶贤文魏环宇柯艳果陈泽斌钟宇余磊
Owner YUNNAN TOBACCO CORP QUJING BRANCH
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