Survival Strategies of Annual Desert Plants / Edition 1by Yitzchak Gutterman
Pub. Date: 10/03/2002
Publisher: Springer Berlin Heidelberg
Annual desert plant species of unrelated taxa in the Negev Desert of Israel have developed complementary sets of adaptations and survival strategies as ecological equivalents with physiological, morphological and anatomical resemblances, in the various stages of their life cycles. After 40 years of research in hot deserts Yitzchak Gutterman provides a comprehensive treatise of such adaptations and strategies. In doing so he covers the following topics: post-maturation primary seed dormancy, which prevents germination of maturing seeds before the summer; seed dispersal mechanisms with escape or protection strategies; cautious or opportunistic germination strategies; seedling drought tolerance. The day-length is an important factor in regulating flowering as well as the phenotypic plasticity of seed germination which is also affected by maternal factors.
Table of ContentsThe Desert Biome, Survival Adaptations and Strategies of Annual Desert Plant Species.- Flowering Strategies.- Strategies of Phenotypic Plasticity of Germination During Seed Development and Maturation.- Strategies of Phenotypic Plasticity of Germination Dormancy After Seed Maturation.- Seed Dispersal Adaptations and Strategies.- Germination Adaptations, Strategies and Influences on Germination During Seed Wetting.- Embryo and Seedling Survival and Plant Development.- Summary of the Complementary Sets of Survival Strategies of Some Common Species of the Negev Desert That Have Been Studied in Detail.
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