四种中美洲热带松种源苗期试验  

Species/Provenance Trials of Four Exotic Pines in Southern China

作　　者：王豁然[1] 王琦[1] 

机构地区：[1]中国林业科学研究院林业研究所

出　　处：《林业科学研究》1995年第6期665-670,共6页Forest Research

基　　金：八五攻关专题

摘　　要：４种中美洲热带松台库努曼松、马克西姆松、墨西哥松和卵果松于１９９２年在广西、广东和福建的引种试验表明，它们的早期表现是成功的。１８个月生时的总平均树高依次为１．６２、１．３７、１．３３和１．５１ｍ，分别为对照湿地松树高１．２６ｍ的１２８％、１０８％、１０５％和１２Ｏ％；在福建岩溪林场，这４种热带松树高分别为当地马尾松平均高０．７５ｍ的２０９％、１６２％、１８１％和２１２％。２１个种源分别树种的方差分析表明，各自的种源间在高生长上都存在着显著差异。种源内个体间的变异范围较大，不同种源的个体变异幅度为８．８％～３９．９％。This paper reports the preliminary results of species/provenance trials estab-lished in Guangdong,Guangxi and Fujian Provinces in southern China in 1992,with 4 tropicalpine species and 21 provenances which were introduced from Central America. It was foundthat all the species appeared to be adaptable to the local ecological conditions and significantdifferences existed in growth rates between and within species. Tree heights of Pinus patulavar. tecunumanii,P. oocarpa,P. maximinoii and P. patula were ranked in descending order,reaching 1.62 m,1.51 m,1.37 m and 1.33 m, respectively, at 18-month age. All the fourspecies were 5%～28%faster in height growth than a local land-race of P. elliottii used as acheck lot in the trials and 62%～112%higher than that of P. massoniana,an indigenousspecies,on a site in Fujian Province. The trials need to be further monitored before a conclu-sion could be made.

关 键 词：热带松 地理种源 引种试验 

分 类 号：S791.240.4[农业科学—林木遗传育种]