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Germination accelerating method for walter dogwood seeds

A seed and germination-promoting technology, applied in the fields of seed and rhizome treatment, application, agriculture, etc., can solve the problems of deep dormancy, slow germination, and unsatisfactory effects of hairy seeds, and achieve the effect of increasing seed germination rate and overcoming deep dormancy

Active Publication Date: 2015-09-16
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the existing germination-promoting technology of Trichosanthes can solve the problem of deep dormancy and slow germination of Trichosanthes seeds, but the germination rate is only about 60%, and the effect is not ideal

Method used

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  • Germination accelerating method for walter dogwood seeds

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] (1) Seed collection: collect when the exocarp of the hairy seed turns from green to black or even completely black;

[0021] (2) Seed pretreatment: the seeds collected in step (1) are dried, then soaked with aqueous sodium carbonate solution, in terms of weight ratio, the concentration of sodium carbonate is 6%, and the soaking temperature is 30 degrees. After the exocarp is softened, carry out artificial Knead to remove the exocarp, then wash and float the seeds to get shrunken grains, dry them, put them in a petri dish, and set aside;

[0022] (3) Acid etching: react the seeds obtained in step (2) with concentrated sulfuric acid with a concentration of 98% for 1 minute, rinse with clear water for 6 hours, then manually rub to remove acid-etched sundries, rinse with clear water for 30 minutes, and dry in the air ;

[0023] (4) Gibberellin treatment: the seeds obtained in step (3) were added to a gibberellin solution with a concentration of 450 mg / L to soak the seeds f...

Embodiment 2

[0026] (1) Seed collection: collect when the exocarp of the hairy seed turns from green to black or even completely black;

[0027] (2) Seed pre-treatment: the seeds collected in step (1) are dried, then soaked in aqueous sodium carbonate solution, in terms of weight ratio, the concentration of sodium carbonate is 8%, and the soaking temperature is 40 degrees. After the exocarp is softened, carry out artificial Knead to remove the exocarp, then wash and float the seeds to get shrunken grains, dry them, put them in a petri dish, and set aside;

[0028] (3) Acid etching: react the seeds obtained in step (2) with concentrated sulfuric acid with a concentration of 98% for 15 minutes, rinse with clear water for 8 hours, then manually rub to remove acid-etched sundries, rinse with clear water for 50 minutes, and dry in the air ;

[0029] (4) Gibberellin treatment: the seeds obtained in step (3) were added to a gibberellin solution with a concentration of 550 mg / L to soak the seeds ...

Embodiment 3

[0031] Embodiment 3 (treatment without diurnal temperature change during seed soaking)

[0032] (1) Seed collection: collect when the exocarp of the hairy seed turns from green to black or even completely black;

[0033] (2) pre-treatment of seeds: the seeds collected in step (1) are dried, then soaked in aqueous sodium carbonate solution, in terms of weight ratio, the concentration of sodium carbonate is 7%, and the soaking temperature is 35 degrees. After the exocarp softens, carry out artificial Knead to remove the exocarp, then wash and float the seeds to get shrunken grains, dry them, put them in a petri dish, and set aside;

[0034] (3) Acid etching: react the seeds obtained in step (2) with concentrated sulfuric acid with a concentration of 98% for 8 minutes, rinse with clear water for 7 hours, manually rub to remove acid-etched sundries, rinse with clear water for 40 minutes, and dry in the air ;

[0035] (4) gibberellin treatment: the seeds gained in step (3) were a...

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Abstract

The invention provides a germination accelerating method for walter dogwood seeds. The germination accelerating method comprises the following steps: (1) seed collection; (2) pretreatment of the seeds; (3) acid etching; (4) treatment with gibberellin; and (5) germination. Compared with the prior art, the invention has the following advantages: the germination accelerating method for the walter dogwood seeds can effectively overcome the problems of deep dormancy and incapability of realizing germination in the year of the walter dogwood seeds and greatly improves the germination rate of the walter dogwood seeds on the basis of the prior art by prolonging seed soaking time and cooperatively using alternating temperature in the day and at night.

Description

technical field [0001] The invention relates to a method for accelerating germination of trichosanthemi seeds, belonging to the technical field of trichosanthes reproduction. Background technique [0002] The hairy tree is a deciduous tree of the Cornaceae family, born in the miscellaneous forests of valleys, and distributed in Hebei, Shanxi and the provinces south of the Yangtze River in China. Also known as car beam wood, it grows extremely slowly, and its height has not been seen for decades. The wood is as hard as iron, and it is difficult to cut with an ax or saw. It is said that when Confucius traveled around the world in a horse-drawn wooden cart, the beams of the chariot were often broken due to the bumps of the road. Later, he came across this wood and felled it to make a chariot beam. damage. Later generations called this tree the car beam wood. Both medicine and food use woody plants, whose branches and leaves are used as medicine, and the tender branches, leav...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00
Inventor 周余华周琴蒋涛王磊潘静霞王红梅于健
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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