昆明和玉溪直干桉、蓝桉无性系的生长测定  

Clone-test Trial of Eucalyptus maidenii and E globulus in Kunming and Yuxi

作　　者：李淡清[1] 梁学源 钱靖宇 

机构地区：[1]云南省林业科学院,云南昆明650204 [2]玉溪市红塔区林业局,云南玉溪653100

出　　处：《云南林业科技》2000年第4期15-19,共5页Yunnan Forestry Science and Technology

基　　金：云南省应用基础研究基金! (97C0 6 5M)资助的"蓝桉;直干桉木材和纤维长度遗传变异研究

摘　　要：1994年在昆明、玉溪两试验点营造的直干桉和蓝桉无性系测定林 ,根据 1999年的生长数据分析后看出 :两地的测定林都是直干桉比蓝桉生长好 ,玉溪两个树种的生长都比昆明好。在直干桉无性系中两试验点的生长性状差异均达显著或极显著水平 ,而蓝桉无性系在两试验点都不显著。在昆明试验点测定林保存完好的无性系中 ,直干桉有 5个、蓝桉有 3个无性系的材积超过对照 (实生木 ) ,其中超过 30 %有 6个 (直干桉 4个 ,蓝桉 2个 )。玉溪试验点参试的 7个直干桉无性系有 6个的材积超过对照 ,其中材积显著大于对照的有两个 ;蓝桉 3个无性系中没有1个超过对照。根据云南省目前的经济技术水平 ,走选优。The clone-test trial sites of Eucalyptus maidenii and E Globulus were established in Kunming and Yuxi in 1994.The results showed that E maidenii growed faster than E globulus in both sites and the two species growed better in Yuxi than in Kunming according to the analysis of the data measured in 1999.The difference of growth characteristics of E maidenii was significant in both sites,but that of E globulus was not.In those clones maintained completely,the volume of 8 clones (5 E maidenii and 3 E globulus) exceed that of the control and of which 6(4 E maidenii clones and 2 E globulus ) exceed by 30% in Kunming.Among 7 clones of E maidenii tested,the volume of 6 clones surpassed the control and 2 clones were significant at 0 05 level,but none exceeded the control in E globulus clones in Yuxi. So far as present situation of economy and technology in Yunnan,it is more positive and feasible to select superior trees and then establish seed orchard.

关 键 词：直干桉 蓝桉 无性系 生长测定 立地条件 

分 类 号：S792.390.4[农业科学—林木遗传育种] S722.33[农业科学—林学]