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Preparation method of potato minitype potato seed pelletized coating

A technology of miniature seed potato and pelletization, which is applied in botany equipment and methods, seed coating/seed dressing, chemicals for biological control, etc. It can solve the problems of high environmental requirements, low emergence rate and yield. Too obvious problems, to achieve the effect of improving the micro-environment, reducing labor intensity, and high survival rate

Inactive Publication Date: 2013-02-20
TIANJIN YANGYU BIOTECH CO LTD
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, there are still some problems in the application of seed potato coating, such as the use of gel layer coating composed of hydrogel and metalaxyl mancozeb wettable powder coating, etc., which have higher requirements on the external environment. The effect of germination rate and yield is not obvious

Method used

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with example.

[0025] A preparation method for pelletized coating of potato micro-seed potatoes, comprising the following steps:

[0026] 1. Preparation and processing of seed potatoes:

[0027] Preparation for seed potatoes consists of two stages:

[0028] (1) Seed potato grading preparation: Potato miniature seed potatoes are pelletized and coated. Healthy and disease-free seed potatoes should be selected, and seed potatoes can be classified into 1-3g, 4-6g, 4-6g, 7-10g and other different grades. Generally, this work is carried out from November to December for use in the spring of the following year.

[0029] (2) Seed potato germination preparation: qualified seed potatoes should use seed potatoes that break dormancy before pelleting and coating. It is better when the seed potatoes start to germinate. The middle seed potato shoot tips will be damaged. The advantage of using seed potatoes that...

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Abstract

The invention relates to a preparation method of a potato minitype potato seed pelletized coating. The preparation method is technically characterized by comprising the following steps of: (1) preparing potato seeds; (2) evenly spraying a layer of serous fluid prepared by polyvinyl alcohol, alginate and water onto the surfaces of the prepared potato seeds, and stewing to be semi-dried to obtain semi-dried prepared potato seeds; (3) feeding the semi-dried potato seeds into drug consisting of agricultural streptomycin sulfate, thiophanate methyl wettable powder, polyvinyl alcohol and talcum powder for preliminary pelletization; (4) feeding the preliminarily-pelletized potato seeds into coating housing powder consisting of alginate, calcium peroxide, coarse vinegar, water absorbent and water for further pelletization; and (5) evenly spraying fludioxonil emulsion with required color onto the surfaces of the pelletized potato seeds after the pelletization, and drying to prepare the pelletized minitype potato seeds. After the pelletized coating is used, the mechanized seeding can be conveniently used, the labor intensity can be reduced, and the emergence rate, the disease resistance and the yield can be obviously improved; and the pelletized coating has the characteristics of being high in survive rate, high in growth speed and the like.

Description

technical field [0001] The invention belongs to the technical field of potato cultivation, in particular to a preparation method for pelletized coating of miniature potato seeds. Background technique [0002] my country is the largest potato growing country in the world. In recent years, due to considerable economic benefits, my country's potato planting area is close to 100 million mu. With the increase of planting area year by year and successive plantings and other reasons, various diseases have aggravated. Important diseases of potato such as late blight, ring rot and soft rot are caused by seed potato carrier fungus, and Rhizoctonia and Fusarium are also commonly found on tubers and in soil. During the potato planting process, if the soil humidity is high, the seed potatoes often rot and fail to emerge before emergence, or die soon after emergence, resulting in lack of seedlings and broken ridges in the field, which seriously affects the yield. At present, seed coati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/06A01N47/34A01P3/00
Inventor 刘伟李军
Owner TIANJIN YANGYU BIOTECH CO LTD
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