Efficient germination accelerating and seedling raising method for rice seeds

A rice seed soaking and accelerating germination technology, which is applied in the field of rice seedling raising, can solve the problems of enhanced low temperature stress of rice seeds, affecting the transplanting effect of rice seedlings, and uneven germination during soaking time, so as to improve the emergence and seedling rate, avoid The effect of germination and seedling management is difficult and the germination rate is improved

Inactive Publication Date: 2020-01-10
海南天道种业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For rice seed soaking and accelerating germination technology, the time and method of soaking seeds are the key to improving the germination rate of rice. However, in the process of rice soaking and accelerating germination, it is often easy to cause uneven germination due to excessive soaking time of rice seeds and external release of nutrients. In addition, under the influence of low temperature climate, the low temperature stress of rice seeds is enhanced, resulting

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1-a method for efficient germination and seedling raising of rice seeds, comprising the steps of:

[0032] (1) Seed soaking and germination:

[0033] Submerge the rice seeds in the seed soaking agent, the weight ratio of the seed agent to the rice seeds is 0.3:1, soak at a constant temperature at 28°C for 8 hours, and then pass ultrasonic waves for 5 minutes, remove the filter agent, and place it at a temperature of Treat at constant temperature and low temperature for 10 hours at 15°C, wash, and remove impurities on the surface of the seeds; the seed soaking agent, according to the ratio of parts by weight, includes the following components: 1 part of seaweed essence, 2 parts of sodium nitrophenolate, brassinolide 0.3 part, 1.0 part of plant extract, 0.3 part of uniconazole and 300 parts of water; the plant extract is composed of walnut leaf extract, pomegranate leaf extract, tallow tree leaf extract, camphor tree leaf extract in parts by weight 5:2:2:3 mix...

Embodiment 2

[0042] Embodiment 2-a method for efficient germination and seedling raising of rice seeds, comprising the steps of:

[0043] (1) Seed soaking and germination:

[0044] Submerge the rice seeds in the seed soaking agent, the weight ratio of the seed agent to the rice seeds is 0.5:1, soak at a constant temperature at 30°C for 5 hours, and then conduct ultrasonic treatment for 10 minutes, remove the filter agent, and place it at a temperature of Treat at constant temperature and low temperature for 12 hours at 10°C, wash, and remove impurities on the surface of the seeds; the seed soaking agent includes the following components according to the ratio of parts by weight: 3 parts of seaweed essence, 1 part of sodium nitrophenolate, brassinolide 0.8 part, 0.5 part of plant extract, 0.8 part of uniconazole and 500 parts of water; the plant extract is composed of walnut leaf extract, pomegranate leaf extract, tallow tree leaf extract, and camphor tree leaf extract in parts by weight 5...

Embodiment 3

[0056] Embodiment 3-a method for efficient germination and seedling raising of rice seeds, comprising the steps of:

[0057] (1) Seed soaking and germination:

[0058] Immerse the rice seeds in the seed soaking agent, the weight ratio of the seed agent to the rice seeds is 0.4:1, soak at a constant temperature at 29°C for 6 hours, and then apply ultrasonic waves for ultrasonic treatment for 8 minutes, remove the filter agent, and place it at a temperature of Treat at constant temperature and low temperature for 11 hours at 13°C, wash, and remove impurities on the surface of the seeds; the seed soaking agent, according to the ratio of parts by weight, includes the following components: 2 parts of seaweed essence, 1.5 parts of sodium nitrophenolate, brassinolide 0.5 part, 0.7 part of plant extract, 0.5 part of uniconazole and 400 parts of water; the plant extract is composed of walnut leaf extract, pomegranate leaf extract, tallow tree leaf extract, and camphor tree leaf extract...

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Abstract

The invention provides an efficient germination accelerating and seedling raising method for rice seeds. The efficient germination accelerating and seedling raising method includes: (1) soaking the rice seeds in a seed soaking agent at a constant temperature of 28-30 DEG C, performing ultrasonic treatment, and performing low-temperature treatment at a constant temperature of 10-15 DEG C, wherein the seed soaking agent comprises 1-3 parts of seaweed essence, 1-2 parts of compound sodium nitrophenolate, 0.3-0.8 part of brassinolide, 0.5-1.0 part of plant extract, 0.3-0.8 part of uniconazole and300-500 parts of water; accelerating germination at 25-30 DEG C for 6-8 hours, and air-drying buds at a natural temperature; (2) spreading the buds on a medium of a seedbed, covering the buds with a 0.8 to 1.3cm-thick mixture of the medium and fine sand, and covering with a plastic film; (3) performing seedling raising management; and (4) transplanting seedlings. The efficient germination accelerating and seedling raising method has the advantages of high efficiency, high low-temperature resistance, high germination rate and high seedling emergency rate.

Description

technical field [0001] The invention relates to the technical field of rice seedling cultivation, in particular to a method for efficient germination acceleration and seedling cultivation of rice seeds. Background technique [0002] Hybrid rice seeds are the most basic and important raw materials for farmers to grow rice. The rice germination and seedling raising technology is the key point in the rice planting process, which directly determines the growth quality of rice seedlings after transplanting. For rice seed soaking and accelerating germination technology, the time and method of soaking seeds are the key to improving the germination rate of rice. However, in the process of rice soaking and accelerating germination, it is often easy to cause uneven germination due to excessive soaking time of rice seeds and external release of nutrients. In addition, under the influence of low temperature climate, the low temperature stress of rice seeds is enhanced, resulting in the...

Claims

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Application Information

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IPC IPC(8): A01C1/00
CPCA01C1/00
Inventor 董玉冰周冠希黄良友董入宝庄海辉陈海英
Owner 海南天道种业有限公司
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