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Study on the Photosynthetic Physiological Characteristics of Two Ecotypes of Portulaca oleracea(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年21期
Page:
89-91
Research Field:
Publishing date:

Info

Title:
Study on the Photosynthetic Physiological Characteristics of Two Ecotypes of Portulaca oleracea
Author(s):
ZHANG Bian-jiangTANG NingCHEN Quan-zhanYANG Ping
School of Biochemical and Environmental Engineering,Nanjing Xiaozhuang College,Nanjing,Jiangsu 211171
Keywords:
Portulaca oleraceaphotosynthetic characteristicsanti-oxidative enzymes
PACS:
Q 949.745.6
DOI:
-
Abstract:
With two ecotypes of Portulaca oleracea (broad leaf and narrow leaf) as materials,chlorophyll content,antioxidant enzyme system,photosynthetic physiological characteristic of them were studied.The results showed that the chlorophyll and carotenoid contents of broad leaf Portulaca oleracea were higher than that in narrow leaf one.The PEPC activities and intercellular CO2concentration of broad leaf Portulaca oleracea was lower than that in narrow leaf one.The net photosynthetic rate and transpiration rate were opposite.The contents of soluble protein content,soluble sugar content,proline content and MDA content and the activities of SOD,POD and CAT in broad leaf Portulaca oleracea were all higher than that in narrow leaf one.It would provide theoretic basis and technical approach for phosphorus with high efficiency and horticultural development.

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Last Update: 2014-08-26