Variation of Leaf Morphological Characters of Melia azedarach from Different Provenances

Chen Lijun1; Liu Mingqian2; Liao Boyong3; Ding Meimei3; Chen Xiaoyang3

doi:10.11929/j.issn.2095-1914.2016.05.003

Journal of Southwest Forestry University > 2016 > 36(5): 16-20. > DOI: 10.11929/j.issn.2095-1914.2016.05.003

Chen Lijun1, Liu Mingqian2, Liao Boyong3, Ding Meimei3, Chen Xiaoyang3. Variation of Leaf Morphological Characters of Melia azedarach from Different Provenances[J]. Journal of Southwest Forestry University, 2016, 36(5): 16-20. DOI: 10.11929/j.issn.2095-1914.2016.05.003

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Variation of Leaf Morphological Characters of Melia azedarach from Different Provenances

1. Experiment Station and Agriculture Training Center, South China Agricultural University, Guangzhou Guangdong 510642, China;
2. The Preparation Office of South China Agricultural Museum, South China Agricultural University, Guangzhou Guangdong 510642, China;
3. Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm of Guangdong Province, College of Forestry andLandscape Architecture, South China Agricultural University, Guangzhou Guangdong 510642, China

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Received Date: November 29, 2015

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Abstract

Leaf traits of 10 provenance resources were determined, and the genetic variations of leaf from different provenances were analyzed. The results showed that variance coefficient of 6 leaf traits ranged from 1648%~4126%, and significant difference of leaf traits existed from different provenances. There existed high heritability in footstalk length and leave area, reached more than 70%, the other four leaf traits reached more than 45%, the difference of Melia azedarach leaf traits is controlled by genetic control to a certain degree. Their coefficients of the regression equation were greater than 070 except the provenance of Xingning, and there were significant correlation between leaf traits and latitude, altitude, annual average temperature, annual rainfall, frostfree period, annual average sunshine, there was significant positive correlation between plant height and the ratio of leaf length/width. The crown breadth was negatively correlated with leaf area, positively correlated with the ratio of leaf length/width. Using the cluster analysis of 6 leaf characteristics of Melia azedarach, 10 provenances can be divided into 2 types.
- Melia azedarach, provenance, leaf trait, genetic variation

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