Conserv Genet Res, 2: 19–21.ĭong LB, He J, Wang YY, Wu XD, Deng X, Pan ZH, Xu G, Peng LY, Zhao Y, Li Y, Gong X, Zhao QS. Isolation and characterization of polymorphic microsatellite markers in Metasequoia glyptostroboides (Taxodiaceae). Size-class differences in genetic structure of Metasequoia glyptostroboides Hu et Cheng (Taxodiaceae) plantations in Shanghai. Higher Education Press, Beijing (in Chinese).Ĭhen XY, Li YY, Wu TY, Zhang X, Lu HP. Potential role of leaf essential oil and extracts of Metasequoia glyptostroboides Miki ex Hu to inhibit the growth of Listeria monocytogenes SPP. Antibacterial abietane-type diterpenoid, taxodone from Metasequoia glyptostroboides Miki ex Hu. glyptostroboides for seed collection.īajpai VK, Kang SC. With the exception of family 23, the other seven superior families were all collected at Guihua Village, Zhonglu Town, Lichuan City, which has been identified as an optimum district of M. Therefore, these relic mother trees displayed their potential as parents in seed orchards. From a cluster analysis we concluded that eight families, i.e., 23, 28, 29, 30, 31, 33, 35 and 44 displayed superior GCA and RGCA in both height and root-collar diameter growth. It was also significantly different in crown size and number of branches among the 23 three-year-old seedling families. After eliminating two inferior families, i.e., 15 and 46, 2.21% of genetic gain in height growth was obtained and 1.50% in root-collar diameter growth. Both height and root-collar diameter growth had high family heritability in this seedling stage. The 23 relic mother trees were significantly differed in their general combining abilities (GCA) and relative effect values of GCA (RGCA) of height growth and root-collar diameter growth over the three years. Correspondingly, these two parameters for root-collar diameter growth were 15.44% and 13.15%. Results show that the average intra-family coefficient of variation (CV) in height growth of the 23 three-year-old families was 14.53%, slightly higher than that of the inter-family CV (14.02%). The seed characteristics and growth of their three-year-old progenies were investigated. Seeds of 23 relic Metasequoia glyptostroboides trees were randomly collected from their original, natural populations found in Lichuan City, Hubei Province, China.
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