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

A germination rate and seed technology, applied in the field of promoting seed germination and improving seed germination rate of Lianxiang tree, can solve the problems of messy germination, low germination rate, poor uniformity, etc. rate effect

Inactive Publication Date: 2020-11-27
甘肃省小陇山林业实验局林业科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, Lianxiang tree mainly relies on seeds for reproduction. Due to the small shape and large number of seeds of Lianxiang tree, in normal cultivation, it often faces messy germination, extremely low germination rate, and poor uniformity, which greatly limits the expansion of Lianxiang tree. numerous

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, comprises the steps:

[0021] S1, select the seeds of Lianxiang tree with full particles and glossy surface, and soak them in a seed soaking agent with a temperature of 35°C for 40 minutes; the seed soaking agent includes:

[0022] Manganese Sulfate 20mg / L, Hydrogen Peroxide 0.3 mg / L, Nasser's Qi Fa Induction Solution 10mg / L;

[0023] S2. Take out the soaked seeds, rinse them with clean water, put them on the plexiglass, turn on the extremely low-frequency high-voltage pulse generator, set the electric field strength to 100KV / m, the direction of the electric field is vertical to the ground, and the pulse frequency is 1Hz , the pulse width is 80ms, and the treatment is 5 hours a day for 5 consecutive days;

[0024] S3, take the petri dish, wash and dry it, lay double-layer filter paper in it, moisten, pour the seeds that have completed the extremely low frequency pu...

Embodiment 2

[0026] A kind of method that promotes the seed germination of Lianxiang tree and improves seed germination rate, comprises the steps:

[0027] S1, select the seeds of Lianxiang tree with full particles and glossy surface, and soak them in a seed soaking agent with a temperature of 30°C for 60 minutes; the seed soaking agent includes:

[0028] Manganese sulfate 30mg / L, hydrogen peroxide 0.6 mg / L, Nasser's salivary induction solution 20 mg / L;

[0029] S2. Take out the soaked seeds, rinse them with clean water, put them on the plexiglass, turn on the extremely low-frequency high-voltage pulse generator, set the electric field strength to 100KV / m, the direction of the electric field is vertical to the ground, and the pulse frequency is 1Hz , the pulse width is 80ms, and the treatment is 5 hours a day for 5 consecutive days;

[0030] S3, take the petri dish, wash and dry it, lay double-layer filter paper in it, moisten, pour the seeds that have completed the extremely low frequenc...

Embodiment 3

[0032] A kind of method that promotes the seed germination of Lianxiang tree and improves seed germination rate, comprises the steps:

[0033] S1, select the seeds of Lianxiang tree with full particles and glossy surface, and soak them in a seed soaking agent with a temperature of 35°C for 50 minutes; the seed soaking agent includes:

[0034] Manganese sulfate 25mg / L, hydrogen peroxide 0.45mg / L, Nasser's hair induction solution 15 mg / L;

[0035] S2. Take out the soaked seeds, rinse them with clean water, put them on the plexiglass, turn on the extremely low-frequency high-voltage pulse generator, set the electric field strength to 100KV / m, the direction of the electric field is vertical to the ground, and the pulse frequency is 1Hz , the pulse width is 80ms, and the treatment is 5 hours a day for 5 consecutive days;

[0036] S3, take the petri dish, wash and dry it, lay double-layer filter paper in it, moisten, pour the seeds that have completed the extremely low frequency pu...

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PUM

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Abstract

The invention discloses a method for promoting seed germination of cercidiphyllum japonicum and increasing the seed germination rate. The method comprises the following steps: selecting cercidiphyllumjaponicum seeds which are plump in particles and glossy in surfaces, soaking the seeds with a seed soaking agent prepared from manganese sulfate, hydrogen peroxide and Nashi 778 induction liquid, rinsing the seeds thoroughly with clean water, placing the seeds on organic glass, and carrying out extremely low frequency pulsed electric field treatment; after treatment is ended, putting the seeds into a culture dish in which double-layer wet filter paper is paved; taking gauze wrapping the seeds as a first layer, additionally adding three layers of gauze wetted by a cercidiphyllum japonicum litter leaching solution at the bottom of the culture dish, and finally putting the gauze into a constant-temperature incubator together; and carrying out culturing for about 12 days under the conditionsthat the temperature is 25 DEG C, the light intensity is 1,000 lx and the illumination time is 12 h / d. According to the method, the germination rate and the germination potential of the cercidiphyllumjaponicum seeds can be greatly improved, and meanwhile, the root quality of seedlings in the later period can be improved and the survival rate of the seedlings can be increased.

Description

technical field [0001] The invention relates to the technical field of plant planting, in particular to a method for promoting seed germination and improving the seed germination rate of japonica japonica. Background technique [0002] Lianxiang tree (Cercidiphyllum japonicum Sieb.et Zucc.) belongs to the relict plant of the Tertiary Period, and is a national second-class protected plant. It has high scientific research value, ornamental value and garden utilization value. The tree body is aging and there are few new plants. , mainly distributed in various nature reserves, generally scattered in areas with an altitude of 1000-1500m, and there are few forests. [0003] At present, Lianxiang tree mainly relies on seeds for reproduction. Due to the small shape and large number of seeds of Lianxiang tree, in normal cultivation, it often faces messy germination, extremely low germination rate, and poor uniformity, which greatly limits the expansion of Lianxiang tree. complex. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00A01N65/00A01N59/16A01N59/00A01N25/00A01P21/00A01P1/00
CPCA01C1/00A01N25/00A01N59/00A01N59/16A01N65/00
Inventor 郭小龙王大伟杜坤赵秋玲沙红张晶冯小琴
Owner 甘肃省小陇山林业实验局林业科学研究所
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