【摘要】 利用樟子松优树半同胞子代 2 8个家系 3个试点的生长性状 ,进行多点分析 ,结果表明 :家系差异及家系与地点交互作用显著。采用生产力等参数对半同胞家系进行生产力、遗传稳定性和适应性的综合评定 ,为不同地点选出优良家系 13个 ,其中普遍优良的有 4个 ,材积平均增益 37%。分析表明 ,家系生产力、遗传稳定性和适应性三者的关系是多变的 ,选择家系时应慎重 ,既要有面上选择 ,也要有点上选择更多还原

【Abstract】 Analysis of growth character of 28 half sib progeny families of superior tree of P.sylvestris var.mongolica in 3 plots showed,that differences in families and interaction between families and places were significant.Comprehensive evaluation in productivity,genetic stability and adaptability of half sib families was condusted,and selected 13 improvement families of different places among them there were 4 superior in all aspects families.Their mean gain in volume was 37%.Analysis indicated,that relation betueen family productivity,genetic stability and adaptability was multivariable.更多还原