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Cultivation for promoting seed germination of cercidiphyllum japonicum and increasing seed germination rate

A germination rate and seed technology, applied in the fields of breaking the seed dormancy of the saffron tree, promoting germination and improving the germination rate of the seeds, can solve the problems of limiting the propagation of the saffron tree and the low efficiency of seed reproduction, so as to reduce restrictions and eliminate obstacles. Effect, effect of reducing pests and diseases

Inactive Publication Date: 2013-12-18
SUZHOU RENCHENG BIO SCI & TECH
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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

[0024] A kind of method that promotes the seed germination of Lianxiang tree and improves seed germination rate, specifically as follows:

[0025] 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;

[0026] 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

[0031] A method for promoting seed germination and improving seed germination rate of Lianxiang tree, the specific operations are as follows:

[0032] First, select suitable local seeds free from 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 to remove the disinfectant; then wash the seeds with sterile water 3 times to obtain sterilized seeds;

[0033] 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 soluti...

Embodiment 3

[0038] A kind of method that promotes the seed germination of Lianxiang tree and improves seed germination rate, specifically as follows:

[0039] 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;

[0040] 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 cultivation method for promoting seed germination of cercidiphyllum japonicum and increasing seed germination rate. The method is realized by the steps: selecting seeds, disinfecting the seeds, carrying out dormancy breaking treatment on the seeds, germinating, transplanting seedlings, carrying out soil management and the like; the method comprehensively utilizes sulfuric acid treatment, hormone treatment, variable temperature stratification treatment, temperature and illumination intensity control, selection of culture medium and the like to promote the seed germination of the cercidiphyllum japonicum, and is high in germination rate; furthermore, the seedlings of the cercidiphyllum japonicum obtained by the method are developed in root system, good in growth vigor, rapid in speed, high in survival rate, enhanced in fertility and high in control rate of pest and disease damage.

Description

technical field [0001] The invention belongs to the field of plant cultivation, and in particular 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 stud...

Claims

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Application Information

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