粤北南方红豆杉的群落类型及物候与繁殖生物学特性

应用生态学报 ›› 2002, Vol. ›› Issue (7): 795-801.

粤北南方红豆杉的群落类型及物候与繁殖生物学特性

廖文波¹, 张志权¹, 陈志明², 唐长根², 邓世福²

1. 中山大学生命科学学院, 广州 510275;
2. 广东省南岭国家级自然保护区大东山管理站, 连州 513400

收稿日期:2000-10-19 修回日期:2002-04-02 出版日期:2002-07-15
通讯作者: 廖文波,男,1964年生,博士,主要从事植物生态学及植物分类学研究,发表论文50多篇.E-mail:lsslwb@zsu.edu.cn
基金资助:
国家教育部高等学校骨干教师资助计划;广东省自然科学基金(950091);国家林业局保护司GEF小型科研基金资助项目

Community types,phenology and propagation characteristics of Taxus mairei in North Guangdong

LIAO Wenbo¹, ZHANG Zhiqian¹, CHEN Zhiming², TANG Changgen², DENG Shifu ²

1. School of Life Sciences, Sunyatsen University, Guangzhou 510275;
2. Dadongshan Station of Nanling National Nature Reserve, Lianzhou 513400

Received:2000-10-19 Revised:2002-04-02 Online:2002-07-15

摘要/Abstract

摘要： 对粤北地区的南方红豆杉(Taxus mairei)植物进行物候学观察,以及植物群落调查,并着重研究其种子萌发和扦插繁殖特性.结果表明,在粤北地区,南方红豆杉主要分布于南亚热带或中亚热带典型的常绿阔叶林中;种群个体顶芽展梢在4月中旬开始,5月中旬雄球花现蕾,花期7月底至11月下旬,8月下旬雌球花现蕾,花期10月下旬至次年1月底,果期在次年10月上旬,10月下旬顶芽形成;在自然条件下种子需2～3年才能萌发;在山地条件下对种子进行湿沙藏,再播入沙床中,萌发率达到952%,但周期较长(1年半);在实验条件下对种子采用变温层积(先25℃36周,再转入5℃12周,共48周,即336d),取出培养萌发率最高,达82.2%;扦插繁殖方面,以成熟一年生枝为插穗,用生根粉ABT₁浓度在100mg·L^-1时处理效果较好,扦插时期在10～11月份最合适,生根率达95%.

Abstract: Community types,phenology and propagation characteristics of Taxus mairei in north Guangdong were studied. The results showed that in north Guangdong province, Taxus mairei mainly distributed in the typical ever green broad leaf forest of lower and mid subtropics dispersedly. Terminal bud of Taxus mairei was formed in late October and begun to grow foliages in mid April,male flower bud was appeared in mid-May and the efflorescence was from late July to late November,female flower bud was formed in late August and the efflorescence was from late October to late January of second year,and the fruit mature period was in early October of second year. Under natural condition,the seed germination needed 2～3 years. Under experimental condition,the germination rate could be up to 82.2%. The effect of cuttage was better by taking mature annual twig and pretreatment by ABT 1 (100 mg·L^-1) from October to November every year,and the rooting rate could be up to 95%.

中图分类号:

Q945.5

廖文波, 张志权, 陈志明, 唐长根, 邓世福. 粤北南方红豆杉的群落类型及物候与繁殖生物学特性[J]. 应用生态学报, 2002, (7): 795-801.

LIAO Wenbo, ZHANG Zhiqian, CHEN Zhiming, TANG Changgen, DENG Shifu . Community types,phenology and propagation characteristics of Taxus mairei in North Guangdong[J]. Chinese Journal of Applied Ecology, 2002, (7): 795-801.

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