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Plant Physiological Ecology (Lambers, Chapin III & Pons)
3. Plant water relations
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I Introduction

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1.1 The role of water in plant functioning

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1.2 Transpiration as an inevitable consequence of photosynthesis

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2. Water potential

BOX5 The water potential of osmotic solutes and the air

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p/p0 = Nw

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BOX5 $B$*$o$j(B

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BOX6 Positive and negative hydrostatic pressures

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BOX6 $B$*$o$j(B

3. Water availability in soil

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3. The field capacity of different soils

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3.2 Water movement toward the roots

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3.3 Rooting profiles as dependent on soil moisture content

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3.4 Roots sense moisture gradients and grow toward moist patches

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4. Water relations of cells

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4.1 Osmotic adjustment

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4.2 Cell-wall elasticity

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