火力楠子代遗传变异分析及优良家系选择  

Analysis of Genetic Variation on the Progenies of Michelia macclurei and Superior Families Selection

作　　者：黄丽丹 陈剑成 玉桂成 李建凡 申文辉[3] 赵玉清 HUANG Li-dan CHEN Jian-cheng YU Gui-cheng LI Jian-fan SHEN Wen-hui ZHAO Yu-qing(Nanning Landscape Engineering Management Office, Nanning 530011, China Yulin Institute of Forestry Research, Yulin, Guangxi 537501, China Guangxi Forestry Research Institute, Nanning 530002, China)

机构地区：[1]南宁市绿化工程管理处,广西南宁530011 [2]玉林市林业科学研究所,广西玉林537501 [3]广西壮族自治区林业科学研究院,南宁530002

出　　处：《广西林业科学》2016年第3期292-296,共5页Guangxi Forestry Science

基　　金：广西"十一五"林业科技项目(桂林科字〔2009〕第2-3号)

摘　　要：对10.5年生火力楠(Michelia macclurei)种子园子代林的生长性状表现进行了对比分析,结果表明,树高、胸径和材积在家系间存在极显著差异。经综合评价,初步认为007和023为参试家系中的优良家系,其树高、胸径和单株材积分别为13.97 m,15.88 cm和0.121 7 m^3,比全林平均值分别提高7.63%,9.67%和27.84%,比对照平均值分别提高10.96%,16.34%和51.18%,遗传增益分别为7.75%,12.29%和39.81%。Comparative analysis of growth traits was conducted with 10.5 years old of progeny forest for the seed orchard of Michelia macclurei. The results showed that there were extremely significant differences in height, DBH and the volume growth among families. According to the comprehensive evaluation, two families （007 and 023 ） were superior families. The average height, DBH and volume growth of these two families were 13.97 m, 15.88 cm and 0. 121 7 m3 , respectively. Compared with the average value of the whole plantation, they increased by 7.63% , 9.67% , and 27.84% , respectively. Compared with the control （ck） , they increased by 10. 96% , 16.34% and 51.18% , respectively. The genetic gain increased 7.75% , 12.29% and 39. 81% , respectively.

关 键 词：火力楠 家系 生长性状 遗传变异 

分 类 号：S792.24[农业科学—林木遗传育种]