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Method for promoting germination of cercidiphyllum japonicum seeds and increasing germination rate of cercidiphyllum japonicum seeds

A germination rate and seed technology, which is applied in the field of promoting germination and improving seed germination rate, breaking the seed dormancy of Lianxiang tree, can solve the problems of low efficiency of seed reproduction, restricting the propagation of Lianxiang tree, etc., so as to improve the activity of enzymes, The effect of increased root length, germination potential and germination rate

Inactive Publication Date: 2013-09-11
常熟市润丰农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Experts believe that on the one hand, it is in situ protection and strengthening the management of nature reserves; The reproductive rate of the incense tree, the current propagation of the incense tree mainly relies on seed reproduction, but the efficiency of seed reproduction in the natural environment is very low, which greatly limits the expansion of the incense tree

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of method that promotes the seed germination of Lianxiang tree and improves seed germination rate, specifically as follows:

[0021] First, select suitable local seeds free of diseases and insect pests, and select the newly collected seeds from which the particles are plump and shiny for later use; then wash the seeds twice with warm water, and then put them in 0.5% potassium permanganate solution for 2 soaks. hour, then use mass fraction as 5% hydrogen peroxide for 3 hours, then filter and remove the disinfectant; then wash the seeds 2 times with sterile water to obtain sterilized seeds;

[0022] After drying the sterilized seeds naturally, irradiate with He-Ne laser biological irradiation instrument for 4-10min at night; wherein the He-Ne laser biological irradiation instrument is produced by Nanjing Laser Instrument Factory, the wavelength is 632.8nm, and the power density is 5mW / mm ２ , the spot diameter is 1.5mm. Then soak the seeds of Lianxiang tree in 40%...

Embodiment 2

[0027] A method for promoting seed germination and improving seed germination rate of Lianxiang tree, the specific operations are as follows:

[0028] First, select suitable local seeds free of diseases and insect pests, and select the newly collected seeds from which the particles are plump and shiny for later use; then the seeds are washed with warm water for 3 times and then soaked in 1% potassium permanganate solution for 1 hour. Then use 10% hydrogen peroxide to treat for 2 hours, then filter and remove the disinfectant; then wash the seeds with sterile water for 3 times to obtain sterilized seeds;

[0029] After drying the sterilized seeds naturally, irradiate with He-Ne laser biological irradiation instrument for 4-10min at night; wherein the He-Ne laser biological irradiation instrument is produced by Nanjing Laser Instrument Factory, the wavelength is 632.8nm, and the power density is 5mW / mm ２ , the spot diameter is 1.5mm. Then soak the seeds in 40% sulfuric acid so...

Embodiment 3

[0034] A kind of method that promotes the seed germination of Lianxiang tree and improves seed germination rate, specifically as follows:

[0035] First, select suitable local seeds without pests and diseases, and select the newly collected seeds from which the full and shiny ones are for use; then the seeds are washed 3 times with warm water and then soaked in 0.8% potassium permanganate solution for 1.5 hours. Treat with 8% hydrogen peroxide for 2.5 hours, then filter and remove the disinfectant; then wash the seeds with sterile water 3 times to obtain sterilized seeds;

[0036] After drying the sterilized seeds naturally, irradiate with He-Ne laser biological irradiation instrument for 4-10min at night; wherein the He-Ne laser biological irradiation instrument is produced by Nanjing Laser Instrument Factory, the wavelength is 632.8nm, and the power density is 5mW / mm ２ , the spot diameter is 1.5mm. Then soak the seeds of Lianxiang tree in 40% sulfuric acid solution for 3 h...

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Abstract

The invention discloses a method for promoting germination of cercidiphyllum japonicum seeds and increasing germination rate of the cercidiphyllum japonicum seeds. The method mainly comprises the steps of: selecting the cercidiphyllum japonicum seeds, disinfecting the cercidiphyllum japonicum seeds, laser-treating, breaking the dormancy of the cercidiphyllum japonicum seeds, germinating the cercidiphyllum japonicum seeds, and transplanting seedlings. According to the method, by comprehensively utilizing all aspects of laser treatment, vitriolization, hormone treatment, epilimnion stratification treatment, temperature and illumination intensity control, culture matrix selection and the like, the germination of the cercidiphyllum japonicum seeds is promoted, the germination rate is high; meanwhile, cercidiphyllum japonicum seed seedlings obtained by using the method are developed in root systems, good in growth vigour, high in speed and high in survival rate.

Description

Technical field [0001] The present invention involves a way to break the dormant of the seedlings, promote germination, and improve the seed germination rate. Background technique [0002] The fragrant tree is the genus of the fragrant tree.Falling leaves and trees, even incense trees are distributed in my country, Zhejiang, Gan, Hubei, Sichuan, Shaanxi, Ganshan, Yu, and Jin south areas. Xiangyang Valley, low wetlands or mixed wood forests.Both neutral and acidic soils can grow.The climate of the distributed area is cold and cold in winter. Most areas have more rainwater and high humidity.Lianxiangshu is a third -year -old legacy plant. It has a very important scientific research value for studying the origin of the third -disciplinary plant area and the relationship between China and the Japanese plant area.Straight, long life, majestic tree posture, and peculiar leaf -shaped, so it is a garden green tree species with high ornamental value.Fruit and leaves can be used for medici...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00
Inventor 刘浩川
Owner 常熟市润丰农业有限公司
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