鹅掌楸苗期生长杂种优势的SSR分析

doi:10.11707/j.1001-7488.20110410

Scientia Silvae Sinicae ›› 2011, Vol. 47 ›› Issue (4): 57-62.doi: 10.11707/j.1001-7488.20110410

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Possible Mechanism Analysis for Heterosis of Hybrid Liriodendron Based on Seedling Growth and SSR Markers

Wang Xiaoyang^1,2, Li Huogen¹

1. Key Laboratory of Forestry Genetics and Gene Engineering, Nanjing Forestry University Nanjing 210037;2. Spice and Beverage Crops Research Institute, Chinese Academy of Tropical Agricultural Science Wanning 571533

Received:2010-01-15 Revised:2010-04-20 Online:2011-04-25 Published:2011-04-25

Abstract

Abstract:

It is well known that there is an obvious heterosis occurred in interspecific hybrid of Liriodendron, however its genetic basis is not clear. In this paper, the heterosis of growth was estimated for 12 interspecific crossing combinations, and their heterozygosities and parentage genetic distances were also evaluated by using SSR markers. It was found that there were no significant correlations between heterosis and genetic distance and heterozygosity, which indicated there would be other factors relating to the heterosis of hybrid Liriodendron besides the genetic distance and heterozygosity.

Key words: Liriodendron, heterosis, SSR, genetic distance, heterozygosity

CLC Number:

Wang Xiaoyang;Li Huogen. Possible Mechanism Analysis for Heterosis of Hybrid Liriodendron Based on Seedling Growth and SSR Markers[J]. Scientia Silvae Sinicae, 2011, 47(4): 57-62.

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Possible Mechanism Analysis for Heterosis of Hybrid Liriodendron Based on Seedling Growth and SSR Markers

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