长白山区三种观赏树木物候与生长节律研究  

Study on phenology and growth rhythm of three ornamental trees in Changbai Mountains

作　　者：林玉梅[1] 任军[1] 杨轶囡[2] 王晓娜[1] 王超 刘亚军 

机构地区：[1]吉林省林业科学研究院,吉林长春130033 [2]吉林农业大学,吉林长春130118 [3]长白山科学研究院,吉林延边133613 [4]长春市儿童公园,吉林长春130041

出　　处：《吉林林业科技》2013年第5期1-3,26,共4页Journal of Jilin Forestry Science and Technology

基　　金：吉林省科技厅科技成果转化项目(20115040)

摘　　要：对通化县石湖保护区内主要观赏树种天女木兰、花楸树、灯台树物侯特点和2a生苗木的生长节律进行观测，结果表明：灯台树4月25日开始萌芽，萌芽最早，天女木兰和花楸树分别于5月3日和5月5日芽开始萌动。花楸树生长期最短，为137d；灯台树生长期最长，为154d；天女木兰生长期为146d。在1个生长季节中，6月初至8月中旬是花楸树苗高生长的高峰期；7—8月份是天女木兰苗高生长的高峰期；灯台树的苗高生长高峰期为6月末到8月中旬。Phenological characteristics and growth rhythm of 2 years old seedling of Magnolia sieboldii K. Koch, Sorbus pohuashanensis （Hance） Hedl. and Comus controversa Hemsl were observed in Shihu protection zone of Tonghua, the results showed that Cornus controversa Hemsl sprouted on April 25, was the earliest; Magnolia sieboldii K. Koch and Sorbus pohuashanensis （Hance） Hedl. sprout on May 3 and May 5, respectively . The growing period of Sorbus pohuashanensis （Hance） Hedl. was the shortest, 137 d. Comus controversa Hemsl was the longest one, 154 d. The growing period of Magnolia sieboldii K. Koch was 146 d. In growing season, the fastigium of height growth of Sorbus pohuashanensis （Hance） Hedl. seedling was from early June to mid August, and Magnolia sieboldii K. Koch was from July to August, Cornus controversa Hemsl was from late June to mid August.

关 键 词：天女木兰 花楸树 灯台树 物候 生长节律 

分 类 号：Q945[生物学—植物学]