Populations of the spot-legged treefrogs(Polypedates megacephalus) in China show significant morphological variation,but no has yet been conducted to investigate the correlation between morphological variation and gen...Populations of the spot-legged treefrogs(Polypedates megacephalus) in China show significant morphological variation,but no has yet been conducted to investigate the correlation between morphological variation and genetic/ecological divergence.In this study,mitochondrial DNA sequences from the 12S rRNA gene(374 bp) were amplified from 25 individual spot-legged treefrogs from southern Yunnan,China.The phylogenetic analysis using Bayesian Inference determined two haplotype clades,different from those detected by Richards and Moore(1998).Our results suggest that the phylogenetic lineages reconstructed in this study are not correlated with morphology,thus indicating that the populations in southern Yunnan may be P.leucomystax rather than P.megacephalus.展开更多
以树高性状> CK 30%对永吉县林木种子站红松第一代种子园4年生红松单亲本子代进行评定,结果表明:61#、27#、68#、75#、29#、28#、64#、71#、31#、38#、73#、78#、81#、82#、37#、34#、74#、22#、44#、16#、17#、12#、63#、25#、10#、...以树高性状> CK 30%对永吉县林木种子站红松第一代种子园4年生红松单亲本子代进行评定,结果表明:61#、27#、68#、75#、29#、28#、64#、71#、31#、38#、73#、78#、81#、82#、37#、34#、74#、22#、44#、16#、17#、12#、63#、25#、10#、66#、36#等27个家系为红松优良家系,占参试家系的56. 25%,红松优良家系树高平均遗传增益为10. 39%。展开更多
基金funded by the National Natural Science Foundation of China(NSF30870281)
文摘Populations of the spot-legged treefrogs(Polypedates megacephalus) in China show significant morphological variation,but no has yet been conducted to investigate the correlation between morphological variation and genetic/ecological divergence.In this study,mitochondrial DNA sequences from the 12S rRNA gene(374 bp) were amplified from 25 individual spot-legged treefrogs from southern Yunnan,China.The phylogenetic analysis using Bayesian Inference determined two haplotype clades,different from those detected by Richards and Moore(1998).Our results suggest that the phylogenetic lineages reconstructed in this study are not correlated with morphology,thus indicating that the populations in southern Yunnan may be P.leucomystax rather than P.megacephalus.
文摘以树高性状> CK 30%对永吉县林木种子站红松第一代种子园4年生红松单亲本子代进行评定,结果表明:61#、27#、68#、75#、29#、28#、64#、71#、31#、38#、73#、78#、81#、82#、37#、34#、74#、22#、44#、16#、17#、12#、63#、25#、10#、66#、36#等27个家系为红松优良家系,占参试家系的56. 25%,红松优良家系树高平均遗传增益为10. 39%。
