MATING SYSTEM AND PHENOLOGY OF CEIBA-PENTANDRA (BOMBACACEAE) IN CENTRAL PANAMA

被引：62
作者：
MURAWSKI, DA
HAMRICK, JL
机构：
[1] UNIV GEORGIA,DEPT BOT,ATHENS,GA 30602
[2] UNIV GEORGIA,DEPT GENET,ATHENS,GA 30602
来源：
JOURNAL OF HEREDITY | 1992年 / 83卷 / 06期
基金：
美国国家科学基金会; 美国安德鲁·梅隆基金会;
关键词：
D O I：
10.1093/oxfordjournals.jhered.a111241
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The floral phenology and mating system of Ceiba pentandra (L.) Gaertn. were studied on Barro Colorado Island, central Panama. Approximately one-half of the adult trees censused flowered in December 1989, although few trees produced fruit or viable seed, apparently due to insect damage. An allozyme analysis of the mating system shows this bat-pollinated species to have a mixture of selfing and outcrossing, with a population outcrossing estimate of 0.689. Estimates for individual trees ranged from complete selfing to complete outcrossing. There was no evidence for apomixis. Outcrossing among the individuals sampled was not random, possibly due to asynchrony in flowering times, mate choice, and nonrandom foraging behavior of the bat pollinators.
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页码：401 / 404
页数：4
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