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Method for increasing Verbenaceae germination ratio

A germination rate, seed technology, applied in the field of seed germination, can solve the problem of not being used effectively and achieve the effect of neat germination, increased permeability, and easy water absorption and ventilation

Inactive Publication Date: 2009-01-07
YANGTZE UNIVERSITY +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no research on its biological characteristics and introduction and domestication. Therefore, except for being used as a nectar source plant, other functions have not been effectively utilized.

Method used

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  • Method for increasing Verbenaceae germination ratio
  • Method for increasing Verbenaceae germination ratio
  • Method for increasing Verbenaceae germination ratio

Examples

Experimental program
Comparison scheme
Effect test

experiment example 1

[0023] Comparison of the germination effect of wild Vitex twig seeds harvested in different periods in Experimental Example 1

[0024] The harvest period of general seeds has obvious impact on the seed germination rate, because the harvest period of wild Vitex twig seeds is not clear, the researchers of the present invention began on September 1, 2005, on the slopes of Hegezhuang Village, Mentougou District, Beijing. Harvest Vitex seeds with different appearance characteristics and maturity: Phase I cyan seeds (concentrated on September 1st to 10th); Phase II half-brown seeds (concentrated on September 10th to 20th); Phase III brown seeds (concentrated from September 20th to the end of September); gray-brown seeds of stage IV (concentrated after the beginning of October), naturally dried in the shade, stored indoors, and empty seeds of stages I, II, III, and IV were measured before the experiment The germination rates were 28%, 35%, 36%, and 41%. After soaking the seeds in tap...

experiment example 2

[0029] Germination effect comparison of wild Vitex twig seeds treated with different gibberellin concentrations in experimental example 2

[0030] Soak the Phase II seeds in Experimental Example 1 with 0.1‰, 0.2‰, 0.4‰, 0.6‰, 0.8‰, and 1.2‰ concentrations of gibberellin solutions for 24 hours, rinse the seeds repeatedly until they are clean, and germinate them with sterile filter paper. Substrate, keep the filter paper moist all the time, 4 repetitions of each concentration treatment, 50 seeds per repetition, germination incubator at 25°C / 21°C (day / night) for 8 hours of light. Every day to the germinated seeds, according to the national standard (that is, the length of the protruding seed coat of the radicle is half of the seed length) record the number of germinated grains, calculate the germination rate, germination index, and germination potential of the Vitex twig seeds that different concentrations of gibberellin solutions are processed, The results are shown in Table 2: ...

experiment example 3

[0036] The germination effect comparison of the wild Vitex twig seeds of stratification treatment under experimental example 3 different conditions

[0037] Soak the Phase II seeds of Experimental Example 1 with tap water for 24 hours, then rinse the seeds with sterile water, mix them with sterilized wet sand, put them into a polyethylene bag with pores, and carry out constant temperature at 4°C and -20°C respectively. 14 days, 21 days, 28 days, 35 days of lamination treatment; room temperature (about 21 ℃) 14 days, 21 days of lamination treatment. Use sterile filter paper as the germination substrate, keep the filter paper moist all the time, repeat each layering treatment 4 times, and each replicate 50 seeds, and the germination incubator is 25°C / 21°C (day / night) for 8 hours of light. Every day to the germinated seeds, record the number of germinated grains according to the national standard (that is, the length of the protruding seed coat of the radicle is half of the seed ...

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Abstract

The invention provides a method for enhancing germination rate of Vitex negundo var.heterophylla Rehd. seeds. The method comprises selecting half-brown wide Vitex negundo var.heterophylla Rehd. seeds gathered from September 10th to September 20th, and braking the seed dormancy to promote seed germination through gibberellin solution treatment method or low-temperature stratification treatment method. The germination rate can reach 46.88% if the Vitex negundo var.heterophylla Rehd. seeds are gathered in the optimum period according to the invention method, and the germination rate reaches as high as 70.83% or 72.22% if the gathered Vitex negundo var.heterophylla Rehd. seeds in the optimum period are further treated by gibberellin solution treatment method or low-temperature stratification treatment method. The seeds have the advantages of germination tidiness, low germination time and strong germination. The method of the invention is low in cost and convenient in operation, which is advantageous for development, utilization and large area popularization of wild Vitex negundo var.heterophylla Rehd.

Description

technical field [0001] The invention belongs to the technical field of seed germination, and specifically relates to a method for breaking seed dormancy and increasing the germination rate of Vitex twig seeds by using timely harvested wild Vitex twig seeds and treating them with phytohormone gibberellin or layering and accelerating germination. Background technique [0002] Vitex [Vitex negundo var.heterophylla (Franch.) Rehd.], Verbenaceae Vitex, deciduous shrub, distributed in northeast, north, northwest, central, southwest and other provinces, often grows in shrub communities on sunny slopes of mountains , resistant to barrenness, drought, severe cold, well-developed and densely woven root system, with excellent biological and ecological characteristics, it is an excellent soil and water conservation shrub in my country. According to long-term observation, Vitex twigs grow well in rock crevices with a thickness of only 2cm, and the plant acid secreted by it can promote roc...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01C1/02
Inventor 韩烈保王琼宋桂龙费永俊
Owner YANGTZE UNIVERSITY
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