|Table of Contents|

Effect of Different Culture Substrates,Different Concentrations of GA3 and PEG on the Germination Characteristics of Asparagus officinalis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年05
Page:
1-5
Research Field:
Publishing date:

Info

Title:
Effect of Different Culture Substrates,Different Concentrations of GA3 and PEG on the Germination Characteristics of Asparagus officinalis
Author(s):
YANG Chun-xue1LI Li-li1TIAN Bo-lin2
(1.Landscape and Architecture College,Northeast Forestry University,Harbin,Heilongjiang 150040;2.Tax Bureau of Wuzhong Tongxin Country,Wuzhong,Ningxia 751300)
Keywords:
Asparagus officinalisseedscultivation substratesGA3PEGsprouting character
PACS:
-
DOI:
10.11937/bfyy.201505001
Abstract:
Taking seeds of Asparagus officinalis as materials,different culture substrates,different concentrations of GA3 and PEG were settled respectively in the experiment with the condition of 25℃,light intensity 3 000 lx and relative humidity 66%,in order to explore their effect on germination characteristics of Asparagus officinalis through the method of calculating the accumulated germination rate,germination energy and germination index,etc.The results showed that different culture substrates had little effect on the germination rate,but had a certain effect on the length of the radicle,the order was sand>perlite and vermiculite each 50%>distilled water;the germination rate,germination energy and vigor index were the highest when the concentration of GA3 was 50 mg/L,and the germination index had negative correlation with the concentration of GA3;the germination rate had negative correlation with the concentration of PEG;the germination energy and the length of the radicle increased firstly and decreased later with the concentration increased of PEG;and they were the highest at the concentration of 2.5%.

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Last Update: 2015-04-22