Leaf pubescence, water relations and chlorophyll fluorescence in two subspecies of Lotus creticus L.

被引：53
|
作者：
Savé, R [1 ]
Biel, C [1 ]
de Herralde, F [1 ]
机构：
[1] IRTA, Dept Tecnol Hort, Barcelona 08348, Spain
来源：
BIOLOGIA PLANTARUM | 2000年 / 43卷 / 02期
关键词：
Lotus creticus creticus; Lotus creticus cytisoides; relative water content; stomata density; trichomes; xylem water potential;
D O I：
10.1023/A:1002704327076
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
The objective of the present study was to compare the plant morphology, water relations and photochemical efficiency of photosystem 2 in two wild Mediterranean species Lotus creticus creticus and Lotus creticus cytisoides. L. creticus creticus showed higher density of trichomes and stomatal density on the adaxial leaf surface than L. creticus cytisoides, whereas L. creticus cytisoides showed higher stomatal density in abaxial surface than L. creticus creticus. These morphological traits promoted clear differences in leaf surface water retention and leaf reflectance. Leaf water potential and photochemical efficiency were lower in L. creticus cytisoides than in L. creticus creticus.
引用
收藏
页码：239 / 244
页数：6
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