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|Table of Contents|

毛竹、麻竹光合途径类型分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2015年05期
Page:
169-173
Column:
研究简报
publishdate:
2015-10-20

Article Info:/Info

Title:
A preliminary study on the type of photosynthetic pathway in Phyllostachys edulis and Dendrocalamus latiflorus
Article ID:
1000-2006(2015)05-0169-05
Author(s):
YANG Li1 LOU Yongfeng1 PENG Zhenhua12 GAO Zhimin1*
1.International Center for Bamboo and Rattan, Key Laboratory on the Science and Technology of Bamboo and Rattan, SAF, Beijing 100102,China;
2. Research Institute of Forestry, Chinese Academy of Forestry, Beijing 100091, China
Keywords:
bamboo photosynthetic pathways structure of leaf chlorophyll fluorescence characteristics
Classification number :
S718.3
DOI:
10.3969/j.issn.1000-2006.2015.05.028
Document Code:
A
Abstract:
The fast-growing characteristic of bamboo means that it has strong assimilative capacity, which is closely related to photosynthetic pathway. By comparing with the typical C3 plants Triticum aestivum and Oryza sativa as well as C4 plants Zea mays and Sorghum vulgare, the typical pachymorph rhizome bamboo Phyllostachys edulis and leptomorph rhizome bamboo Dendrocalamus latiflorus were selected for the study of bamboo photosynthetic pathways based on the structure and chlorophyll fluorescence characteristics of leaves. Paraffin observations showed that the leaf structures of both D. latiflorus and Ph.edulis did not have the “kranz anatomy” and vesicular cells distributed. These characteristics were significantly different from those of C4 plants such as Z. mays and S. vulgare, but were similar to those of T. aestivum and O. sativa belonging to C3 plants. Meanwhile the results of chlorophyll fluorescence parameters demonstrated that the average values of Y(Ⅱ)of D. latiflorus and Ph. edulis were similar to that of T. aestivum and O. sativa, but were significantly higher than that of Z. mays and S. vulgare(P<0.01). The average values of qN of D. latiflorus and Ph. edulis(0.77)were much lower than those of Z. mays and S. vulgare(P<0.05), while they were close to that of O. sativa (0.76). Correlation analysis showed that there were significant or extreme positive correlations among Fv/Fm, Y(Ⅱ)and qN in O. sativa and T. aestivum. However, highly significant positive correlation did not existed in Z. mays and S. vulgare. The correlation between Fv/Fm and Y(Ⅱ)was demonstrated significantly positive in D. latiflorus and Ph. edulis which were similar to those of in C3 plants. These results indicat that the type of photosynthetic pathway in D. latiflorus and Ph. edulis belongs to C3 plants.

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Last Update: 2015-10-15