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Effects of NaCl Stress on Seeds Germination and Seedling Growth of Celery Varieties(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年15期
Page:
20-23
Research Field:
Publishing date:

Info

Title:
Effects of NaCl Stress on Seeds Germination and Seedling Growth of Celery Varieties
Author(s):
CAO Ling; LIU Xi-jing; LI Nan-xi; LI Ying-ying; WANG Qian
Beijing Key Laboratory of Growth and Developmental Regulation for Protected Vegetable Crops，College of Agronomy and Biotechnology，China Agricultural University，Beijing 100193
Keywords:
salt stress; salt tolerance; celery; seed germination; seedling growth
PACS:
S 636.3
DOI:
-
Abstract:
Taking ‘Jingqinyihao’,‘Boke’,‘Jiazhouwang’,‘Ribenxiaoxiangqin’,‘Xiaqin’ five celery varieties as materials,the effects of NaCl stress(0,30,60,90,120 mmol/L NaCl) on germination and seedling growth stage were studied.The results showed that the seed germination and seedling growth were inhabited,promoted/inhabited as the salt concentration increased.Moreover,NaCl stress (30 mmol/L) had beneficial effect on germination and seedling growth.The response of index exhibited significant differences on relative salt damage rate.The most sensitive index were vigor index (VI),radical length (RL),hypocotyl length (HL),fresh weight (FW) and dry weight (DW) and the least sensitive index were seed germination percentage (GP),germination energy (GE) and germination index (GI).According to the comprehensive salt damage rate,‘Boke’ and ‘Xiaqin’ were the most resistant,and ‘Jingqinyihao’ and ‘Xiaoxiangqin’ were the most sensitive varieties at germination stage and early seedling growth.

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Last Update: 2014-08-11