After reading this article you will learn about:- 1. Meaning of Seed Dormancy 2. Ecological Significance of Seed Dormancy 3. Types 4. Causes 5. Effects. Meaning of Seed Dormancy: Dormancy is a delaying mechanism which prevents germination under conditions which might prove to be unsuitable for establishment. As long as the seed remains viable the […]
Seed Dormancy: Meaning, Types and Effects | Biology
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Seed of Arid Zone Plants (With Diagram)
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After reading this article you will learn about:- 1. Seed Size and Number 2. Soil Seed Banks 3. Seed Viability. Seed Size and Number: Seeds are admirably suited to their triple role as a means of multiplication, dispersal and stress avoidance. But equally important for the long-term survival of the species involved is the fact […]
Vegetation of Cold Arid Zone
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This article throws light upon the three main formations of vegetation of cold arid zone. The formations are: 1. Sub-Tropical Semi Desert 2. Alpine Steppe 3. Steppe of Artemisia. Formation # 1. Sub-Tropical Semi Desert: (i) On steep rocky slopes Olea cuspidata, Rosa webbiana, Pistacia sp., Halophyllurn griffithianum and Matthiola odoratissima are the chief species, […]
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