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Regulating and controlling method for improving germination rate of woody seeds

A germination rate and seed technology, which is applied in the field of regulation to improve the germination rate of woody seeds, can solve the problems of difficult control of treatment time, treatment temperature, treatment concentration, unsatisfactory effect, etc., and achieve the goal of promoting rapid germination, improving vitality, and improving air permeability Effect

Inactive Publication Date: 2011-05-11
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its characteristic is that it mainly uses hormones to regulate the germination rate of woody seeds, and does not take technical measures such as dissolution, decomposition or transformation for the substance of the seed coat structure layer.
Moreover, it is difficult to control the treatment time, treatment temperature, treatment concentration, etc., and the effect is not ideal.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] Its operating steps of the control method that the present invention improves woody seed germination rate are as follows:

[0013] 1) soak neem seeds with 75% alcohol for 30 minutes, wash them with sterile water for 3 times after soaking and disinfecting;

[0014] 2) Put the treated seeds in step 1) into an organic mixed solvent to soak for 24 hours, and then air-dry naturally;

[0015] 3) The seeds treated in step 2) are evenly mixed with the seed dressing agent, and sealed in a seed bag. Wherein, the mixing ratio is by weight of seeds: seed dressing agent=1: 15;

[0016] 4) Put the seed bag obtained in step 3) into an artificial intelligence climate box, and cultivate it for 72 hours at a temperature of 31° C. and a relative humidity of 80%.

[0017] Wherein, the organic mixed solvent component distribution ratio is by weight:

[0018] Absolute ethanol: n-hexane: vegetable oil APE: dewaxing water = 55:60:8:10.

[0019] Seed dressing composition distribution ratio ...

Embodiment 2

[0024] Its operating steps of the control method that the present invention improves woody seed germination rate are as follows:

[0025] 1) Soak the seeds of A. chinensis with 75% alcohol for 20 minutes, wash them twice with sterile water after soaking and disinfecting;

[0026] 2) Put the treated seeds in step 1) into an organic mixed solvent to soak for 18 hours, and then air-dry naturally;

[0027] 3) uniformly mix the treated seeds in step 2) with the seed dressing agent, the mixing ratio is seed: seed dressing agent=1:20 in parts by weight, and encapsulate them in seed bags respectively;

[0028] 4) The seed bag obtained in step 3) is placed in an artificial intelligence climate box, and cultivated for 60 hours at a temperature of 28° C. and a relative humidity of 75%.

[0029] Wherein, the organic mixed solvent component distribution ratio is by weight:

[0030] Absolute ethanol: n-hexane: vegetable oil APE: dewaxing water = 40:45:5:7.

[0031] Seed dressing composit...

Embodiment 3

[0036] Its operating steps of the control method that the present invention improves woody seed germination rate are as follows:

[0037] 1) Soak the seeds of Leucaena junifolia with 75% alcohol for 10 minutes, wash them twice with sterile water after soaking and disinfecting;

[0038] 2) Put the treated seeds in step 1) into an organic mixed solvent to soak for 8 hours, and then air-dry naturally;

[0039] 3) uniformly mix the treated seeds in step 2) with the seed dressing agent in a mixing ratio of seed: seed dressing agent=1:10, and encapsulate them in a seed bag;

[0040] 4) The seed bag obtained in step 3) is placed in an artificial intelligence climate box, and cultivated for 48 hours at a temperature of 25° C. and a relative humidity of 70%.

[0041] Wherein, the organic mixed solvent component distribution ratio is by weight:

[0042] Absolute ethanol: n-hexane: vegetable oil APE: dewaxing water = 70:30:2:4.

[0043] Seed dressing composition distribution ratio is ...

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Abstract

The invention provides a regulating and controlling method for improving germination rate of woody seeds, comprising the following steps: firstly, soaking the woody seeds for 10-30min by 75% of alcohol, and washing for 2-3 times by bacteria free water; secondly, placing the washed seeds into organic mixed solvent to soak for 8-24h, and air drying naturally, mixing seeds and seed dressing agent with blending agent, wherein, the mixture proportion of the seeds to the seed dressing agent is 1:10-20 in parts by weight, and packaging by seed bags; finally, placing the packaged seeds into an artificial intelligent climate box to culture for 48-72h at the temperature of 28+ / -3 DEG C and relative humidity of 75%+ / -5%. The method has low cost, simple operation, flexible implementation manner, can effectively shorten germination time, improve germination rate, and can be widely used in treatment before seeding of woody seeds of water conservation and gardens.

Description

Technical field: [0001] The invention relates to a woody seed treatment method in the field of ecological environment construction, in particular to a control method for improving the germination rate of woody seeds. Background technique [0002] Most of the seeds of woody plants have hardening phenomenon, which is the main factor affecting the difficulty and low germination rate of woody seeds. The hardness of woody seeds is mainly due to the hydrophobic chemical substances such as cutin, colloid, wax, suberin and hemicellulose contained in the seed coat structure layer. These substances mechanically bind the seeds and seriously affect the water permeability and air permeability of the seed coat. Therefore, breaking the hard seed is an important technical direction to shorten the germination time of woody seeds and improve the germination rate. There are many methods to relieve the hardness of woody seeds, mainly including three types: physical, chemical, and biological. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/00A01N63/00
Inventor 龙凤李绍才杨涛孙海龙
Owner SICHUAN UNIV