荔枝株高、干周和童期的QTL分析
Journal of Fruit Science(2011)
Abstract
以马贵荔×焦核三月红76株F1代群体为试材,调查了株高、干周和童期3个生长性状的分离情况.结果表明,3个性状表现为连续分布,具有数量性状的典型特征,利用已构建的分子遗传连锁图谱进行数量性状位点(QTL)分析,检测到与3个生长性状连锁的QTL位点45个,其中控制株高的QTL1个,控制干周的QTL 5个,控制童期的QTL 39个,各QTL的LOD值在3.02~11.24,可解释35.3%~95.2%的表型变异.
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Key words
Plant height,Juvenile stage,Litchi,Trunk girth,QTL analysis
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