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Cross-adaptation of Two Epiphytic Tillandsia Species to Temperature Stress(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年10
Page:
82-86
Research Field:
Publishing date:

Info

Title:
Cross-adaptation of Two Epiphytic Tillandsia Species to Temperature Stress
Author(s):
ZHENG Gui-ling; LI Peng
(College of Resource and Environment，Qingdao Agricultural University，Qingdao，Shandong 266109)
Keywords:
air plant; cross adaptation; temperature; stress
PACS:
S 682.39
DOI:
10.11937/bfyy.201510020
Abstract:
Taking Tillandsia stricta ‘Hard leaf’and Tillandsia brachycaulos‘Multiflora’as the materials，effect of temperature stress on plant morphological and physiological characters including contents of soluble sugars，soluble proteins，proline，the activities of SOD，POD and MDA content were studied.The results showed that two Tillandsia species were tolerant to low or high temperature within 5-35℃.However，under the stress of -5℃ and 45℃，two Tillandsia species began to wither，which suggested that these two temperatures were almost to or beyond the critical temperature.Moreover，contents of soluble sugars，soluble proteins，prolines，the activities of SOD，POD and MDA content decreased or increased synchronically under the low and high temperature，which indicated that two species were cross adapted to temperature stress，i.e.cross-adaptation.

References:


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Last Update: 2015-08-07