|Table of Contents|

Effect of Four Kinds of Exogenous Substances on Seed Germination and Seedling Growth of Hylocereus undatus Under Drought Stress

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年15
Page:
44-49
Research Field:
Publishing date:

Info

Title:
Effect of Four Kinds of Exogenous Substances on Seed Germination and Seedling Growth of Hylocereus undatus Under Drought Stress
Author(s):
SONG Changmei1; WANG Jiyue1; ZHAO Qingqing1; YU Lei2
(1.Biological and Environmental Engineering College，Guiyang University，Guiyang，Guizhou 550003；2.Experimental Center，Guiyang University，Guiyang，Guizhou 550003)
Keywords:
Hylocereus undatus; drought stress; exogenous substances; seed; seedling
PACS:
-
DOI:
10.11937/bfyy.20182658
Abstract:
Seeds of Hylocereus undatus were used as materials to explore the effect of different concentrations of GB,SNP,ALA and Spd on seeds germination and seedling growth by using 12% PEG-6000 to simulate the drought stress conditions.The results showed that 0.5 mmol?L-1 GB， 0.05 mmol?L-1Spd，8 mg?L-1 ALA and 0.05 mmol?L-1 SNP were effective at reducing the drought stress on seeds.The germination rate，germination potential and germination index of GB were 100.00%，96.00% and 74.81，Spd were 99.00%，75.33% and 65.91，ALA were 100.00%，90.00% and 75.89，SNP were 97.33%，85.33% and 85.33.At the same time，four kinds of exogenous substances were beneficial to the growth of radicle and hypocotyl，but had less influence on leaves.

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Last Update: 2019-08-15