红花香椿不同家系测定及优良家系选择

Determination of Different Families and Selection of Superior Families of Toona rubriflora

[目的]筛选增益优良的红花香椿品种。[方法]对顺昌县洋口国有林场11个红花香椿家系子代三年生的树高、胸径和材积生长量进行分析。[结果]编号为家系11的红花香椿家系相对混合苗对照组,各性状树高、胸径和材积相对生长率分别达到40.72%,57.37%和184.43%,各性状差异相比对照组均达到显著或极显著水平。[结论]家系11具有较高的综合增益,可以选为红花香椿优良家系推广。

[Objective]To select excellent varieties of Toona rubriflora.[Method]This experiment analyzed the growth of tree height,DBH and volume of timber of 11 Toona rubriflora families in Yangkou State Forest Farm of Fujian.[Result]The results showed that compared with the mixed seedling control group,the relative growth rates of tree height,DBH and volume of timber of family 11 were 40.72%,57.37%and 184.43%respectively.And the differences of each character were significant or extremely significant compared with the control group.[Conclusion]This family had higher comprehensive gain and could be selected as a superior family to promote.