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Effect of NaCl Stress on Seed Germination and Seedling Growth of Bellis perennis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年14期
Page:
52-54
Research Field:
Publishing date:

Info

Title:
Effect of NaCl Stress on Seed Germination and Seedling Growth of Bellis perennis
Author(s):
XU Xiao-yuZHANG Feng-yinZHANG Fang-jun
College of Life Sciences,Jianghan University,Wuhan,Hubei 430056
Keywords:
Bellis perenniseedgerminationsalt stress
PACS:
S 682.1+1
DOI:
-
Abstract:
Taking seeds of Bellis perennis as experimental materials,effect of different concentrations of NaCl solution on germination energy,germination rate and germination index of seed and root length,stem length and fresh weight of seedlings were measured and studied.The results showed that different concentration of NaCl had different effects on indexes of seed germination and seedling growth of Bellis perennis,2.9 g/L and the higher concentration of NaCl had very significant effect on germination index of the seeds and root length of seedlings 5.8 g/L and the higher concentration of NaCl significantly reduced germination energy of seeds and the stem length of seedlings11.6 g/L and the higher concentration of NaCl caused significant reduction of seed germination rate and seedling fresh weight.High concentration (11.6 g/L and the higher) of NaCl had great harm on seeds of Bellis perennis,so the relative salt injury rate was high.This showed that seed of Bellis perennis could tolerate low concentration of NaCl,but certain concentration of NaCl had inhibitory effect on seed germination and seedling growth of Bellis perennis.

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Last Update: 2014-08-07