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Method for improving rice variety characteristics through microgravity

A technology of microgravity and rice seeds, applied in rice cultivation, seed and rhizome treatment, application, etc., can solve the problems of poor control of environmental conditions, limited number of seeds carried, high cost of flight tests, etc., and achieve low cost and negative impact. The effect of less variation and high efficiency

Inactive Publication Date: 2020-12-01
广东天梦量子生态文化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the flight test is costly, the opportunities are limited, the number of seeds carried is limited, and the environmental conditions are not easy to control. These factors restrict its rapid development.

Method used

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  • Method for improving rice variety characteristics through microgravity
  • Method for improving rice variety characteristics through microgravity

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A method for microgravity to improve the characteristics of rice varieties, comprising the following steps:

[0025] 1. Low-speed microgravity pretreatment: Put the rice seeds that need to be improved (the germination rate is above the national standard) into the self-made microgravity device. speed rotation. At a speed of 10 rpm, the average gravity is 10 -1 g, turn counterclockwise for 24 hours to obtain pretreated seeds. Pretreatment of rice seeds in a low-speed and micro-weightlessness state can slowly turn on the switches of some characteristic cells in the seeds.

[0026] 2. Microgravity acceleration treatment: Accelerate the pretreated seeds slowly, and accelerate the speed from 10 rpm to 60 rpm within 24 hours, and then maintain this speed and rotate counterclockwise at a constant speed for 240 hours, with an average gravity of 10 -1 -10 -4 g. Microgravity accelerated treatment of rice seeds can completely open the signaling pathways of certain characterist...

Embodiment 2

[0030] 1. Low-speed microgravity pretreatment: Put the rice seeds that need to be improved (the germination rate is above the national standard) into the self-made microgravity device. speed rotation. At a speed of 15 rpm, the average gravity is 10 -1 -10 -2 g, turn counterclockwise for 36 hours to obtain pretreated seeds. Pretreatment of rice seeds in a low-speed and micro-weightlessness state can slowly turn on the switches of some characteristic cells in the seeds.

[0031] 2. Microgravity accelerated treatment: Accelerate the pretreated seeds slowly, and accelerate the speed from 15 rpm to 80 rpm within 36 hours, then keep this speed and rotate counterclockwise at a constant speed for 360 hours, with an average gravity of 10 -1 -10 -4 g. Microgravity accelerated treatment of rice seeds can completely open the signaling pathways of certain characteristic cells, the concentration of sodium ions in the cells will change, and the activity of related enzymes will be induce...

Embodiment 3

[0034] Embodiment 3 performance comparison

[0035] The seeds obtained in Example 1 and Example 2 were selected, the seeds with negative variation were removed, and excellent seeds were selected for testing.

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Abstract

The invention discloses a method for improving rice variety characteristics through microgravity. The method comprises the following steps: S1, seeds are put into a microgravity device, the microgravity device rotates at the speed of 10 to 15 r / min for 24 to 36 h in the first direction, and the pretreated seeds are obtained, S2, the pretreated seeds are accelerated, the microgravity device is adjusted to rotate at the speed of 60 to 80 r / min for 240 o 360 h in the first direction, and activated seeds are obtained; and S3, the activated seeds are decelerated and rotated at the speed of 10 to 15r / min for 24 to 35 h in the second direction, and improved seeds are obtained, wherein the second direction is opposite to the first direction. Progeny seeds of the rice seeds obtained through the method show that the total amount of amino acids is increased, the protein content is increased, the sodium ion content is greatly increased, and the oleic acid content of certain varieties is increased, so that the quality is improved, the growth period of rice varieties is shortened, and the yield is increased.

Description

technical field [0001] The invention relates to the field of rice production, in particular to a method for improving the characteristics of rice varieties by microgravity. Background technique [0002] Rice is the most important food crop in my country, which is related to the national economy and people's livelihood. The research of rice varieties has always been the most important research field of the country, and the research and development technology of rice varieties in my country has always been leading the world level. Even so, no rice variety is perfect, and there are very few varieties that are excellent in terms of yield, quality, and resistance. Improving the characteristics of rice varieties, while improving the yield, quality, and resistance of rice varieties, is still the top priority of breeders. [0003] Conventional breeding methods have a long breeding cycle, and it usually takes 5-8 years to breed a relatively stable variety. And it is difficult to s...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G22/22
CPCA01C1/00A01G22/22
Inventor 向桂龙
Owner 广东天梦量子生态文化科技有限公司
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