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A kind of oxygen-increasing tobacco coated pelletized seed and preparation method thereof

A technology for tobacco seeds and coating, which is applied in the direction of seed coating/seed dressing, etc., can solve the problems of insufficient oxygen for seed germination and seedling growth, inability to adapt to demand, low oxygen stress of seeds, etc., and achieves good application prospects. , the effect of neat emergence and short germination time

Active Publication Date: 2011-12-07
YUNNAN ACAD OF TOBACCO AGRI SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the renewal and transformation of seedling cultivation methods, conventional tobacco coated and pelleted seeds can no longer meet the needs of modern tobacco agricultural production
Because the floating seedling culture medium is full of water, the seeds are soaked in open water for a long time, forming hypoxic stress on the seeds, so that the seeds cannot get enough oxygen for seed germination and seedling growth, resulting in low seed vigor, long germination time, poor emergence uniformity, and emergence rate. low level problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Using 200 g of tobacco MS Yunyan 87 and MSK326 seeds as materials, the seeds, calcium peroxide and water were evenly mixed according to the mass ratio of 1.0:0.5:99.5, and the oxygen was added for 24 hours under the light condition of 25°C. After the initiation, Rinse with clean water, dry back at room temperature until the water content reaches 4.5%, and set aside.

[0019] During seed coating and pilling, add 10.0% calcium peroxide to the seed coating agent (including GTG powder, bentonite, talcum powder, bactericide, micro-fertilizer, etc.), and mix evenly with a mixer. Add the seeds that have been treated with oxygenation into the coating machine, spray the adhesive to moisten the seeds, add the seed coating agent to coat and nucleate, and repeat this alternately, double the seed pellets to a particle size of 1.6-1.8mm, and then set the shape. Then add the seed coating agent in the coating machine step by step, polish the shaped pelleted seeds, and then add an appro...

Embodiment 2

[0021] Repeat Example 1, with the following differences: when the oxygenation is initiated, the seeds, calcium peroxide and water are evenly mixed according to the mass ratio of 3.0:0.8:99.2, and the oxygenation is initiated for 30 hours.

Embodiment 3

[0023] Repeat Example 1, with the following differences: when oxygenation is initiated, the seeds, calcium peroxide and water are evenly mixed according to the mass ratio of 5.0:1.0:99.0, and oxygenation is initiated for 36 hours.

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PUM

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Abstract

The invention discloses an oxygen-increasing tobacco coated and pelletized seed and a preparation method thereof. Before the tobacco seeds are coated and pelletized, 0.5% to 1.0% calcium peroxide turbid solution is used for oxygenation initiation. 10.0% to 20.0% calcium peroxide is added to the seed coating agent during coating pelletization. The oxygen-increased tobacco coated and pelletized seeds prepared by the invention are applied to tobacco floating seedlings, and have the advantages of high seed vigor, short germination time, neat emergence, high emergence rate, etc., and are easy to operate and low in cost. The popularization and application of this technology has the advantages of Good social and economic benefits.

Description

technical field [0001] The invention belongs to the technical field of tobacco seed coating pelletization, and in particular relates to an oxygen-increasing tobacco coated pelletized seed capable of slowly releasing oxygen during the germination process of tobacco seeds. Simultaneously, the present invention also relates to a preparation method of the oxygen-increasing tobacco coated pelleted seeds. Background technique [0002] Tobacco floating seedling cultivation is an advanced seedling raising technology in tobacco leaf production. It has high production efficiency and neat growth of tobacco seedlings, which is suitable for specialized and large-scale production of tobacco leaves. Since my country began to promote tobacco floating seedling raising technology in 1996, this technology has been popularized rapidly along with the rapid development of tobacco leaf production in my country. [0003] To facilitate sowing, tobacco-coated pelleted seeds are generally used in tob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/06
Inventor 马文广郑昀晔李永平陈云松牛永志
Owner YUNNAN ACAD OF TOBACCO AGRI SCI
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