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Method for eliminating Chinese yam nematodosis pathogens by using medicament for soaking seeds

A medicament and seed soaking technology, which is applied in the field of crop pest control, can solve the problems of large fluctuations in the absorption of Chinese yam rhizomes, unsatisfactory control effects, and uneven effects, so as to reduce the use of nematicides. The method is simple and reduces The effect of labor costs

Inactive Publication Date: 2018-02-16
GUILIN ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Above-mentioned two kinds of methods have certain effect to the Chinese yam nematode control, but there are following deficiencies: the one, because the decomposition of soil, adsorption and dilution, not only the dosage of medicament is bigger, and control effect is unsatisfactory, also causes the pollution of soil and food Safety issues; the second is that soil mixing is limited to the treatment of yam planting ditch soil, the labor cost is relatively high, and the problem of soil nematode pathogens has not been completely solved; However, due to the large fluctuations in the concentration of pesticides, the dosage of pesticides, the degree of soil invasion and the absorption of Chinese yam rhizomes, the effects are uneven
In addition, there is no report on how to remove the nematode pathogens carried by the Huaishan provenance

Method used

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  • Method for eliminating Chinese yam nematodosis pathogens by using medicament for soaking seeds
  • Method for eliminating Chinese yam nematodosis pathogens by using medicament for soaking seeds

Examples

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Effect test

Embodiment 1

[0027] The method for eliminating the pathogen of Chinese yam nematode by soaking seeds with medicaments of the present embodiment comprises the following steps:

[0028] (1) Preparation of soaking medicament: take 10% thiazolyl phosphine medicinal liquid in mass percentage, and prepare 500 times diluted medicinal liquid with 10% thiazolyl phosphine in mass percentage to obtain soaking medicament;

[0029] (2) Seed stem cut into sections: select Chinese yam with smooth skin, no damage by diseases and insect pests, and uniform tubers as the seed stem, cut into lengths of 0.05-0.15m and stem sections of 40-100g in weight, pack them in nylon mesh bags, and obtain once The processed Chinese yam seed stem;

[0030] (3) Seed soaking: immerse the Chinese yam stem section treated once in step (2) in the soaking agent obtained in step (1), soak it for 20 minutes, remove it, wrap plant ash at the incision of the Chinese yam stem section, and dry it in the room for 1 Days, after the inc...

Embodiment 2

[0033] The method for eliminating the pathogen of Chinese yam nematode by soaking seeds with medicaments of the present embodiment comprises the following steps:

[0034] (1) Preparation of soaking medicament: take 0.3% matrine medicinal solution by mass percentage, and prepare 500 times diluted medicinal solution of 0.3% matrine to obtain soaking medicament;

[0035] (2) Seed stem cut into sections: select Chinese yam with smooth skin, no damage by diseases and insect pests, and uniform tubers as the seed stem, cut into lengths of 0.05-0.15m and stem sections of 40-100g in weight, pack them in nylon mesh bags, and obtain once The processed Chinese yam seed stem;

[0036] (3) Seed soaking: immerse the Chinese yam stem section treated once in step (2) in the soaking agent obtained in step (1), soak it for 40 minutes, remove it, wrap plant ash at the incision of the Chinese yam stem section, and dry it in the room for 2 Days, after the incision is healed, the Chinese yam seed s...

Embodiment 3

[0039] (1) Preparation of soaking medicament: take 41.7% fluopyram medicinal solution in mass percentage, and prepare 10000 times diluted medicinal solution with 41.7% fluopyram medicinal solution in mass percentage to obtain soaking medicament;

[0040] (2) Seed stem cut into sections: select Chinese yam with smooth skin, no damage by diseases and insect pests, and uniform tubers as the seed stem, cut into lengths of 0.05-0.15m and stem sections of 40-100g in weight, pack them in nylon mesh bags, and obtain once The processed Chinese yam seed stem;

[0041] (3) Seed soaking: immerse the Chinese yam stem section treated once in step (2) in the soaking agent obtained in step (1), soak it for 60 minutes, remove it, wrap plant ash at the incision of the Chinese yam stem section, and dry it in the room for 3 Days, after the incision is healed, the Chinese yam seed stem after the second treatment is obtained;

[0042] (4) Planting: the second-treated Chinese yam seed stem obtained...

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Abstract

The invention discloses a method for eliminating Chinese yam nematodosis pathogens by using a medicament for soaking seeds, and belongs to the technical field of crop pest prevention and control. Themethod comprises the following steps: (1) preparing a soaking medicament; (2) cutting seed stems into segments; (3) soaking seeds; and (4) performing planting. According to the method, firstly the problem of mutual infection of seed sources and nematodosis pathogens carried by soil is solved, the cultivated land is protected, and the continuous cropping time is prolonged; secondly, the occurrencerate of the Chinese yam nematodosis is reduced, and the economic benefits of Chinese yam cultivation are improved; thirdly, the use of the nematode-killing medicaments in the growth period is reduced,the environment is protected, and the eating safety of the Chinese yam is guaranteed; and fourthly, the labor cost of the prevention and control of the Chinese yam nematodosis is reduced, the seeds are soaked by using the medicament, and time and labor are saved.

Description

technical field [0001] The invention relates to a method for eliminating the pathogen of Chinese yam nematode by soaking seeds with medicaments, and belongs to the technical field of crop disease and insect pest prevention and control. Background technique [0002] Chinese yam belongs to the Dioscoreaceae family and belongs to the genus Dioscorea. Its scientific name is Yam, and it is a perennial winding herb. Yam is an agricultural product that can be used as medicine, vegetable and grain. It not only has unique edible value, but also plays an important role in medical care. It is an important economic crop in my country. [0003] Yam nematode disease is one of the main diseases of yam. The main transmission route is soil borne and seed potato, and the two infect each other. Therefore, yam nematode disease is particularly serious in continuous cropping ground. The causative agents of yam nematode disease mainly include short-body nematodes and root-knot nematodes. The yam ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/08
CPCA01C1/08
Inventor 钟坤孙玉勇袁辉张丹李家文廖红梅周宾莫毅君莫皓蓝刘许辉
Owner GUILIN ACADEMY OF AGRI SCI