The Growth and Physiological Reaction of Sunflower in ‘F57’ and ‘Xinkuiza No.4’ Under the Salt Stress(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: The Growth and Physiological Reaction of Sunflower in ‘F57’ and ‘Xinkuiza No.4’ Under the Salt Stress

Author(s):: WU Chun-xia; YANG Jing-hui; LIU Ting; LIU Yan-jun; LI Jian-ke; HUANG Jun-xuan; College of Horticulture and Landscape，Tianjin Agricultural University，Tianjin 300384

Keywords:: salt stress; plant height; leaf area; membrane permeability; variety

Abstract:: Taking ‘F57’ and ‘Xinkuiza No.4’ as test materials，the height of plant，leaf area of plant，leaf conductivity in two varieties of oil sunflowers were studied by NaCl stess in different concentrations (0.30%，0.60%，0.90%，1.20%，1.50%).In order to development energy plant and cultivate oil sunflower in salt soil.The results showed that the plant height and leaf area of ‘F57’ were all smaller than ‘Xinkuiza No.4’ sunflower under the different salt concentrations.But，there was no significant differences in the electrolyte leakage rate of leaves.With increasing of salt concentration，the plant height was declined and leaf area was increased.Under the same concentration，the plant growth of ‘F57’ was suppressed with the increasing of salt concentration.Under the same conditions，plant of ‘Xinkuiza No.4’ was higher and stronger growth，and leaf area was significantly increased.Comprehensive analysis showed that salt resistance of ‘Xinkuiza No.4’ was stronger than that of ‘F57’.

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Last Update: 2014-12-23