Adaptation of plants to water and high temperature stress
Drought, stress, and the origin of adaptations; Plant stress research and crop production: the challenge ahead; Morphological adaptations to water stress; Leaf anatomy and water use efficiency; Adaptation of roots in water-stressed native vegetation; Modifying root systems of cotton and soybean to increase water absorption; Physiological adaptations to water stress; Turgor maintenance by osmotic adjustment: a review and evaluation; Stomatal response to water stress in conifers; Adaptive significance of stomatal responses to water stress; Adaptive significance of carbon dioxide cycling during photosynthesis in water-stressed plants; Role of abscisic acid and other hormones in adaptation to water stress; Proline accumulation as a metabolic response to water stress; Drought responses of apical meristems; Protoplasmic tolerance of extreme water stress; Adaptation to high temperature stress; Response and adaptation of photosynthesis to high temperatures; Adaptation of kinetic properties of enzymes to temperature variability; Membrane properties in relation to the adaptation of plants to temperature stress; Interaction and integration of adaptations to stress; Seasonality and gradients in the study of stress adaptation; Leaf morphology and reflectance in relation to water and temperature stress; Influence of water stress on the photosynthesis and productivity of plants in humid areas; Influence of water stress on crop yield in semiarid regions; Interaction of water stress and mineral nutrition on growth and yield; Interaction and integration of adaptive responses to water stress: the implications of an unpredictable environment; Breeding and selection for adaptation to stress; Differences in adaptation to water stress within crop species; Genetic variability in sorghum root systems: implications for drought tolerance; Adaptation to water stress in rice; Improvement of perennial herbaceous plants for drought-stressed western rangelands; Summary and synthesis; Adaptation of plants to water and high temperature stress: summary and synthesis.
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Thus appropriate variables to consider in a discussion of modifying water uptake
from soil by root systems of cotton and soybean plants are (a) transpiration rate (
which affects the water potential in the plant xylem elements at crown level), ...
The resistance to water flow within any one xylem element probably varies partly
with the fourth power of its radius (Poiseuille equation), but several
morphological features of the vessel elements modify the fourth-power function (
where i//g and if>t are water potentials in bulk soil and leaf, respectively, and R„
Rr, and Rc are resistances associated with flow from the bulk soil to the root
surface, from the root surface to the root xylem, and from the root xylem to the
point of ...
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This book includes very important knowledge about the effect of both water stress and high temperature on crop plants and how we can increase the tolerance of plants against these constraints.
Drought stress and the origin of adaptations
MORPHOLOGICAL ADAPTATIONS TO WATER STRESS
PHYSIOLOGICAL ADAPTATIONS TO WATER STRESS
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