Effect of seed density on germination of Isolatocereus dumortieri and Myrtillocactus geometrizans, endemic columnar cacti species from Mexico

被引：0
|
作者：
Flores, Joel [1 ]
Jurado, Enrique [2 ]
机构：
[1] Inst Potosino Invest Cient & Tecnol, AC, Div Ciencias Ambientales, San Luis Potosi 78216, Mexico
[2] Univ Autonoma Nuevo Leon, Fac Ciencias Forestales, Linares 67700, NL, Mexico
来源：
REVISTA MEXICANA DE BIODIVERSIDAD | 2009年 / 80卷 / 01期
关键词：
Clump seed dispersal; seedling competition; DEPENDENT GERMINATION; SIBLING COMPETITION; DESERT; EMERGENCE; DISPERSERS; INGESTION; DYNAMICS; LIGHT;
D O I：
暂无
中图分类号：
X176 [生物多样性保护];
学科分类号：
090705 ;
摘要：
The effect of seed density on the germination of 2 columnar Cactus species (Isolatocereus (dumortieri and Myrtillocactus geometrizans) was evaluated using 5 seed density treatments (1, 5, 10, 20 and 50 seeds). Isolatocereus dumortieri had a lower germination percentage with increasing seed density; germination of M. geometrizans was not affected by seed density. These results suggest that I. dumortieri seedlings might compete for resources with siblings.
引用
收藏
页码：141 / 144
页数：4
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