Gentianella seed preventing spot blight and preparation method thereof and method for treating gentianella spot blight

A technology for gentian blight and gentian, which is applied to gentian blight-proof gentian seeds and the fields of their preparation and prevention and control of gentian blight, and can solve problems such as harming gentian planting, low production efficiency and large labor load. and other problems, to achieve the effect of reducing planting costs, high production efficiency and less labor.

Inactive Publication Date: 2008-07-30
王喜军 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the serious damage to gentian planting and production caused by the current gentian spot blight, but the existing control methods are poor in effect, and have a large amount of labor, low production efficiency, and are easy to cause damage to seedlings during operation. damages, as well as the problems of pesticide residues and environmental pollution, and provide a kind of gentian seed against gentian spotted blight and its preparation method and the prevention and control method of gentian spotted blight

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0011] Embodiment 1: In this embodiment, the gentian seeds for preventing gentian spot blight contain 10-12 g thiophanate-methyl or 0.6-1 g polyoxin per kilogram.

[0012] In the new planting environment, the gentian seeds for preventing gentian spot blight in this embodiment have an incidence rate of 0. The thiophanate-methyl and polyoxin have no damage to the gentian seeds, do not affect the germination and growth of the gentian seeds, and the germination rate of the seeds reaches over 54%.

specific Embodiment approach 2

[0013] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the gentian seeds of preventing gentian spot blight contain 11g thiophanate-methyl or 0.8g polyoxin per kilogram.

specific Embodiment approach 3

[0014] Specific embodiment three: the gentian seeds of the prevention gentian spot blight of the present embodiment are carried out according to the following steps: the gentian seeds are immersed in the mass concentration of 65%~75% ethanol solution for 30s, then take out and put into the diluted 300~ Soak in 500-fold polyoxin or 300-600-fold diluted thiophanate-methyl solution for 30 minutes, then take it out and dry it in the shade to obtain gentian seeds resistant to gentian spot blight.

[0015] The thiophanate-methyl used in this embodiment is a wettable powder, and the original mass concentration of the medicament is 65% to 75%.

[0016] The polyoxin used in this embodiment is a wettable powder, and the original mass concentration of the agent is 2% to 4%.

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PUM

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Abstract

The invention relates to a Gentiana seed that can prevent Gentian leaf blight and a preparation method thereof, and a control method for the Gentian leaf blight. The invention relates to a disease preventing Gentiana seed, the preparation method for the Gentiana seed, and a control method for plant diseases, which solves the problems that the Gentian leaf blight at present seriously harms the planting and production of the Gentiana, while the existing control method adopted is of bad effect, large amount of labor, low production efficiency, easy damage of seedlings in the process of operation as well as pesticide residue and environment pollution. The Gentiana seed consists of thiophanate methyl and polyoxin. The preparation method relates to: immersing the seeds in ethanol; then taking the seeds out and dipping in a polyoxin or thiophanate methyl liquid. The control method relates to: dipping the seeds in ethanol; then taking the seeds out and dipping in a diluent reagent liquid; and then rinsing with clear water, namely finishing the control treatment. The incidence rate for the Gentian leaf blight of the seeds of the invention is zero, while the seed germination rate arrives at 54 percent above. The control method for the Gentian leaf blight of the invention is of good effect, with which the rate of mildew can be reduced to zero, while the germination rate can be higher than 51 percent.

Description

technical field [0001] The invention relates to a disease-preventing gentian seed, a preparation method thereof and a method for preventing and controlling plant diseases. Background technique [0002] Gentiana scabra (Gentiana scabra Bge.) is a perennial herb of the family Gentianaceae, which has the functions of purging liver and gallbladder excess fire and removing dampness and heat in the lower burner; and in recent years, studies have found that gentiopicroside contained in gentiana has good Medicinal value, so the planting area of ​​gentian continues to expand. Gentian spot blight is the most harmful disease to gentian planting. Gentian spot blight mainly damages the leaves. In the early stage of the disease, a blue-black halo appears around the lesion, and then the lesion continues to expand and becomes circular. Or oval, 2-12mm in diameter, reddish-brown in the middle, dark brown at the edge, with small black spots on both sides of the lesions, and in severe cases, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/08A01N47/34A01N47/12
Inventor 王喜军孙海峰孙晖阴旗俊曹思思
Owner 王喜军
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