Ecophysiological study of the aquatic carnivorous plant Aldrovanda vesiculosa L

被引：9
|
作者：
Adamec, L
机构：
[1] Institute of Botany of the Academy of Sciences of the Czech Republic, Section of Plant Ecology, Třeboň, CZ-379 82
来源：
ACTA BOTANICA GALLICA | 1995年 / 142卷 / 06期
关键词：
Aldrovanda vesiculosa L; strict CO2 user; photo- and thermophilous species; turion overwintering and injury;
D O I：
10.1080/12538078.1995.10515292
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
Aldrovanda vesiculosa L. was found to be a strict CO2 user. Its CO2 compensation point of photosynthesis was 7.2 mu M and K-M of CO2 uptake 0.18 mM, comparable with other submerged plants. However, its very high light compensation point (6.0 W.m(-2)), absence of photoinhibition at high irradiances, and positive Q(10) of photosynthesis (15-34 degrees C) confirm that it is markedly photo-and thermophilous. All turions germinated after storage at 4 degrees C, but the temperature of -12 degrees C had killed them totally In overwintered turions, starch content decreased by a factor of three but that of soluble sugars rose by a factor of two.
引用
收藏
页码：681 / 684
页数：4
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