|Table of Contents|

Effects of Salicylic Acid on Seed Germination and Seedling Growth Under  Drought Stress in Cucumber

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年06
Page:
23-29
Research Field:
Publishing date:

Info

Title:
Effects of Salicylic Acid on Seed Germination and Seedling Growth Under  Drought Stress in Cucumber
Author(s):
YANG Ruopeng1; 2; BI Hongcai1; LI Jie1; 2
(1.College of Life Science and Technology,Honghe University,Mengzi,Yunnan 661100；2.Key Laboratory of Crop High Quality and Efficient Cultivation and Security Control of College in Yunnan Province,Mengzi,Yunnan 661100)
Keywords:
salicylic acid; drought stress; protective enzyme; osmotic adjustment substance
PACS:
-
DOI:
10.11937/bfyy.20172494
Abstract:
The cucumber seeds were taken as materials,and treated by 4 kinds of concentrations of salicylic acid 1.0 mmol?L-1,2.0 mmol?L-1,3.0 mmol?L-1,4.0 mmol?L-1,effects of different concentrations of salicylic acid on seed germination of cucumber and drought resistance ability of seedlings growth under drought stress were studied.The results showed that 1.0-2.0 mmol?L-1 salicylic acid treatment could promote the germination ability and seedling growth of cucumber seeds,and 3.0-4.0 mmol?L-1 〖JP2〗salicylic acid inhibited the germination of cucumber seeds.And 1.0 mmol?L-1 salicylic acid treatment on germination characteristics of cucumber was the best.1.0 mmol?L-1 salicylic acid could improve cucumber seedlings of the activities of CAT,SOD and POD,and the contents of soluble sugar,soluble protein and free proline were significantly increased,while the content of MDA was significantly decreased.So 1.0 mmol?L-1 salicylic acid had the best effect on the growth of cucumber under drought stress.

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Last Update: 2018-03-30