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Bactericide capable of radical treatment of root rot and black shank of tobacco products

A technology for tobacco products and black shank, which is applied in the direction of fungicides, biocides, biocides, etc., can solve the problems of large-scale occurrence of tobacco black shank, which cannot be completely prevented and eradicated, and is suitable for large-scale promotion and application. The effect of low cost and less dosage

Inactive Publication Date: 2016-01-27
刘仑贤
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Although there are some medicines for preventing and treating tobacco black shank on the market, tobacco black shank still occurs in large numbers and cannot be completely prevented and eradicated

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1, a fungicide that can radically cure black shank of tobacco product root rot, is composed of: metalaxyl 14%, hymexyl 30%, methanol 49%, emulsifier 7%. The above bactericide is mixed with water at a ratio of 1:500 to generate a medicament. Then pour it on the roots of transplanted tobacco seedlings to prevent and treat root rot black shank. After 50 days, use a sprayer to irrigate the roots once, and use the medicament to irrigate the stems once after the soil is cultivated.

Embodiment 2

[0017] A fungicide capable of radically curing root rot and black shank of tobacco products consists of 16% metalaxyl, 20% hymexyl, 54% methanol and 10% emulsifier. The above bactericide is mixed with water at a ratio of 1:500 to generate a medicament. Then pour it on the roots of transplanted tobacco seedlings to prevent and treat root rot black shank. After 50 days, use a sprayer to irrigate the roots once, and use the medicament to irrigate the stems once after the soil is cultivated.

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PUM

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Abstract

The invention discloses a bactericide capable of radical treatment of root rot and black shank of tobacco products, wherein the bactericide is composed of the components by the weight percentage: 14-19% of metalaxyl, 15-30% of hymexazol, 45-55% of methanol, and 7-12% of an emulsifier. The invention also provides a method for radical treatment of tobacco root rot and black shank. The method includes the following steps: adding water in the bactericide for radical treatment of root rot and black shank of the tobacco products according to the water-bactericide ratio of 1:500, and generating a medicament; pouring the medicament of the former step on seedling root parts of tobacco after transplantation, and preventing and treating root rot and black shank; and 50 days later, irrigating the roots for one time with the medicament by a sprayer, and after ridging, irrigating stems for one time with the medicament. The bactericide can effectively eradicate tobacco black shank, and has the advantages of less dosage, low cost, simple operation, labor and time saving, and significant control effect, is suitable for large-area popularization and application, and has broad prospects of popularization and application.

Description

technical field [0001] The invention relates to the technical field of chemical sterilization, in particular to a fungicide capable of radically curing root rot blackleg disease of tobacco products and a method thereof. Background technique [0002] Tobacco black shank is one of the most destructive diseases in tobacco production, also known as tobacco blight. Tobacco farmers call it "black stem madness", "black root" and "aconitum disease". It mostly occurs at the adult plant stage, and a few at the seedbed stage. When the seedlings are infected, dirty black spots appear at the base of the stem, or the disease spreads from the bottom leaves along the petioles to the young stems, causing the seedlings to stumble. When the humidity is high, the diseased part is covered with white hyphae, and the seedlings die in pieces. The stems are infected, and the base of the stems initially shows water-soaked black spots, and then expands up and down and the pith. When the stems circle...

Claims

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Application Information

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IPC IPC(8): A01N43/80A01P3/00A01G13/00A01N37/46
Inventor 刘仑贤
Owner 刘仑贤
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