Method for promoting seed germination of cercidiphyllum japonicum and improving germination ratio of seeds

A germination rate and seed technology, which is applied in the field of breaking the dormancy of the seeds of Lianxiang tree, promoting germination and increasing the germination rate of seeds, can solve the problems of limiting the propagation of Lianxiang tree and the low efficiency of seed reproduction, and achieve the improvement of the internal enzymes of the seeds. The effect of activity, reduction of restriction, germination vigor and germination increase

Inactive Publication Date: 2013-12-11
SUZHOU RENCHENG BIO SCI & TECH
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  • 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 diameter of the spot is 1.5mm (this operation does not involve cell f...

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 diameter of the spot is 1.5mm (this operation does not involve cell ...

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 diameter of the spot is 1.5mm (this operation does not involve cell fission, mutation, strong repeat...

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Abstract

The invention discloses a method for promoting seed germination of a cercidiphyllum japonicum and improving the germination rate of seeds. The method is mainly achieved through steps of seed selecting, seed disinfecting, laser treatment, seed dormancy breaking treatment, seed germination, seedling transplant and the like. According to the invention, laser treatment, vitriolization, hormone treatment, fluctuating temperature stratification and temperature and illumination intensity control are comprehensively utilized, the seed germination of the cercidiphyllum japonicum can be prompted from all aspects such as the selection of culture medium, the germination ratio is high, a seeding root system of the seed of the cercidiphyllum japonicum is prosperous, the growth vigor is excellent, the speed is fast, and the survival rate is high.

Description

technical field [0001] The invention relates to a method for breaking the dormancy of the seeds of japonica japonica, promoting germination and increasing the germination rate of the seeds. Background technique [0002] Lianxiang tree belongs to the genus Lianxiangshu of the Lianxiang family. Deciduous trees, Lianxiang trees are distributed in Anhui, Zhejiang, Jiangxi, Hubei, Sichuan, Shaanxi, Gansu, Henan and southeast Shanxi in my country. They are not many in number, not tolerant to shade, and like humidity. They are mostly born at altitudes of 400 to 2700 meters Sunny valleys, low wetlands beside ditches or miscellaneous forests. Can grow in neutral and acidic soils. The climate in the distribution area is cold in winter and cool in summer, and most areas have more rainfall and high humidity. Lianxiangshu is a relict plant of the Tertiary Period, which has very important scientific research value for the study of the origin of the Tertiary flora and the relationship be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00A01G1/00
Inventor 吴志刚
Owner SUZHOU RENCHENG BIO SCI & TECH
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