Method for storing rice seeds

A rice seed and seed technology, applied in the fields of seed and rhizome treatment, botany equipment and method, fruit hanging device, etc., can solve the problems such as loss of seed germination rate, loss of seed function, loss of seed reserve for shortage, etc., and achieve the goal of reducing secondary dormancy Effect

Inactive Publication Date: 2012-10-10
HEFEI SANFENG SEED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Commonly used seed storage methods include sealed packaging storage methods, fumigation treatment to prevent insects, cold storage storage technology, etc., but so far, there is no set of effective practical technical regulations widely application, the germination rate of seeds will also decrease year by year, decreasing every year, and then lose the role of seeds, so there is also a problem of loss in the national reserve of seeds for shortage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1) Select Changnonggeng No. 5 rice harvested in 2008. The upper 1 / 3 of the panicle is dry, the base of the panicle turns yellow, the whole panicle loses chlorosis, and the leaves turn yellow. Harvest;

[0023] 2) Natural drying: spread out the harvested rice seeds, and carry out preliminary drying for 2 days in a natural dry environment;

[0024] 3) Artificial drying: gradually dry, put the seeds in the oven, set the temperature at 30°C for drying, and after the moisture content of the rice seeds drops below 20%, raise the temperature to 40°C for drying until the moisture content of the rice seeds drops to 15% %, continue to dry at a constant temperature of 45°C until the moisture content of rice seeds reaches 11%, and stop drying;

[0025] 4) Sterilization: irradiate the dried rice seeds with ultraviolet rays for 24 hours, place the seeds in a closed container, and pass through ozone with a concentration of 5ppm for 48 hours;

[0026] 5) Seed inspection, separating se...

Embodiment 2

[0033] 1) Select Zhongyou 725 rice harvested in 2008. The upper 1 / 3 of the panicle is dry, the base of the panicle turns yellow, the whole panicle loses chlorosis, and the leaves turn yellow. Harvest;

[0034] 2) Natural drying: spread out the harvested rice seeds, and carry out preliminary drying for 2 days in a natural dry environment;

[0035] 3) Artificial drying: gradually dry, put the seeds in the oven, set the temperature at 30°C for drying, and after the moisture content of the rice seeds drops below 20%, raise the temperature to 40°C for drying until the moisture content of the rice seeds drops to 15% %, continue to dry at a constant temperature of 45°C until the moisture content of rice seeds reaches 11.5%, and stop drying;

[0036] 4) Sterilization: irradiate the dried rice seeds with ultraviolet rays for 36 hours, place the seeds in a closed container, and pass through ozone with a concentration of 5ppm for 48 hours;

[0037] 5) Seed inspection, separating seeds w...

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PUM

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Abstract

The invention relates to a method for storing rice seeds. The method for storing the rice seeds comprises the steps of harvesting in time, airing naturally, drying manually, sterilizing, inspecting, storing, checking at fixed period and the like. The key point lies on drying step by step and sterilization and deinsectization by ultraviolet rays and ozone, so that the storage life of the rice seeds is greatly prolonged.Due to the adoption of the storage method, the storage time of the rice seeds can reach 4 to 5 years, the germination percentage of the rice seeds after 4 to 5 years can still reach over 90 percent, and the current technological level is exceeded.

Description

technical field [0001] The invention relates to a method for storing seeds, in particular to a method for storing rice seeds. Background technique [0002] After the seeds are harvested, they enter the storage stage. If proper methods are not used for storage, the seeds are prone to heat, mildew, and erosion by insects and sparrows, thus losing their seed value. If scientific methods are used for proper storage, the seeds can maintain vigorous vitality, and even under adverse environmental conditions, they can pass through safely without affecting the germination rate. [0003] Commonly used seed storage methods include sealed packaging storage methods, fumigation treatment to prevent insects, cold storage storage technology, etc., but so far, there is no set of effective practical technical procedures that are widely used, and the seed germination rate will also decrease year by year. Therefore, there is also the problem of loss in the country's reserve of seeds for shorta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01F25/00A01C1/00
Inventor 张世萍杨家斌张秉恒
Owner HEFEI SANFENG SEED
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