Method capable of promoting tetraploid Petunia hybrid seed germination

A petunia and tetraploid technology, applied in the directions of seed immunity, seed and rhizome treatment, application, etc., can solve the problems of slow germination and low germination rate, achieve the improvement of germination rate, promote metabolism, and help endogenous Effects of growth hormone synthesis and cell growth

Inactive Publication Date: 2017-07-21
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: In order to overcome the shortcomings of slow germination and low germination rate of existing tetraploid petunia seeds, the purpose of the present invention is to provide a method for promoting the germination of tetraploid petunia seeds, and the operation process is simple and easy

Method used

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  • Method capable of promoting tetraploid Petunia hybrid seed germination
  • Method capable of promoting tetraploid Petunia hybrid seed germination

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Effect test

Embodiment 1

[0023] Embodiment 1: A kind of method for promoting tetraploid petunia seed germination

[0024] (1) Soak in hot water at 50°C for 15 minutes.

[0025] (2) Transfer to an aqueous solution of the growth regulator 6-BA (6-benzylaminoadenine) with a mass percent concentration of 2 mg / kg and soak for 5 hours.

[0026] (3) Soak the seeds in water for 10 hours at room temperature.

[0027] (4) Transfer to the light incubator for variable temperature and light germination. The temperature is set to 30°C, the light intensity is 1000Lx, and the time is 14 hours; the temperature is 20°C, dark, and the time is 10 hours. The two treatments are carried out alternately, and the seeds are kept wrapped during the period. The medium is moist.

Embodiment 2

[0028] Embodiment 2: A kind of method for promoting tetraploid petunia seed germination

[0029] (1) Soak in hot water at 55°C for 10 minutes.

[0030] (2) Transfer to an aqueous solution of growth regulator 6-BA (6-benzylaminoadenine) with a mass percent concentration of 3 mg / kg and soak for 5 hours.

[0031] (3) Soak the seeds in water for 14 hours at room temperature.

[0032] (4) Transfer to the light incubator for variable temperature and light germination, the temperature is set to 32°C, the light intensity is 1500Lx, and the time is 15 hours; the temperature is 22°C, dark, and the time is 9 hours. The two treatments are carried out alternately, and the seeds are kept wrapped during the period. The medium is moist.

Embodiment 3

[0033] Embodiment 3: A kind of method for promoting tetraploid petunia seed germination

[0034] (1) Soak in hot water at 60°C for 7 minutes.

[0035] (2) Transfer to an aqueous solution of growth regulator 6-BA (6-benzylaminoadenine) with a mass percent concentration of 5 mg / kg and soak for 5 hours.

[0036] (3) Soak the seeds in water for 18 hours at room temperature.

[0037] (4) Transfer to the light incubator for variable temperature and light germination. The temperature is set to 33°C, the light intensity is 2000Lx, and the time is 16 hours; the temperature is 25°C, dark, and the time is 8 hours. The two treatments are carried out alternately, and the seeds are kept wrapped during the period. The medium is moist.

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Abstract

The invention discloses a method capable of promoting tetraploid Petunia hybrid seed germination. The method includes the steps of (1), soaking seeds in hot water at 50-60 DEG C; (2), transferring the seeds into a growth regulator 6-BA (6-benzylaminopurine) water solution for soaking; (3), soaking the seeds in water; (4), transferring the seeds into an illumination incubator for changeable-light changeable-temperature seed germination for 14-16 hours under the illumination intensity of 1000-2000 Lx and at 30-33 DEG C and for 8-10 hours in darkness at 20-25 DEG C alternately, wherein media wrapping the seeds are kept moist. Compared with the prior art, the method has the advantages that the method is simple and feasible, water permeability of tetraploid Petunia hybrid seed coats is improved through hot water soaking and seed soaking, the 6-BA breaks dormancy to promote embryonic cells to grow, and a seed metabolism process is promoted through temperature and light change; the method is capable of promoting tetraploid Petunia hybrid seed germination and is of short germination time, high germination rate and unanimous shoots, thereby being promising in application prospect.

Description

technical field [0001] The invention relates to a method for germination and propagation of ornamental flower seeds, in particular to a method for promoting the germination of tetraploid petunia seeds. Background technique [0002] Petunia (Petunia hybrida Vilm.) is a plant of the genus Petunia in the family Solanaceae, and is an annual herbaceous flower. Petunia has huge flowers, rich colors, and many flower patterns. At present, petunia has become the main potted flower and decorative plant in the world. It is widely used in the beautification and greening of courtyards, open-air flower beds, and squares. The king of flower beds in the world". Among them, the tetraploid petunia cells have four sets of chromosomes and are polyploid, and have the advantages of long flowering period, vigorous growth, strong stress resistance, high ornamental value, etc., and have good market application prospects. However, the accompanying disadvantages are that the seed dormancy period is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C1/00A01C1/08
CPCA01C1/00A01C1/08
Inventor 魏跃董慧蔡善亚张莹刘艳陈啸寅颜志明王全智贾思振史红林
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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