Structural and Functional Aspects of Transport in Roots: Third International Symposium on ‘Structure and Function of Roots’ Nitra, Czechoslovakia, 3–7 August 1987

Front Matter....Pages i-xiii
Front Matter....Pages 1-1
Pathways and processes of water and nutrient movement in roots....Pages 3-14
The vascular system in the roots of barley and its hydraulic aspects....Pages 15-20
Experimental control of cellular patterns in the cortex of tomato roots....Pages 21-24
Determination of vascular tissue in roots of dicotyledonous plants....Pages 25-28
The heterogeneity of root tip cells and tissues as revealed by in situ enzyme localization and isoenzyme patterns: A comparison of proteo- and esterolytic activities....Pages 29-33
Significance of the exodermis in root function....Pages 35-40
Seed hydration as a trigger of cell elongation in bean hypocotyl and radicle....Pages 41-44
Ultrastructure of cortical cells in the primary root of barley during germination....Pages 45-48
Chromatin structure in various tissues of the primary root of Zea mays L.....Pages 49-52
Activity and polymorphism of enzymes in different root tissues....Pages 53-56
Three-dimensional distribution of plasmodesmata in the rhizodermis of Trianea bogotensis Karst ....Pages 57-59
Front Matter....Pages 61-61
Effect of auxin on growth, proton secretion and transmembrane electron transfer in intact maize roots....Pages 63-67
Separation of wheat root microsomal membranes by countercurrent distribution....Pages 69-72
Effects of K + status and phytohormones on K + transport in wheat....Pages 73-77
Transport and distribution of solutes in sugar beet roots....Pages 79-84
Ecto Ca-ATPase of plasma membrane fraction from barley roots....Pages 85-87
ATP-ase localization in the phloem of the Ricinus root....Pages 89-91
Electrical conductivity and capacitance of root tissues in different conditions of energetic metabolism....Pages 93-95
Abscisic acid promotes passive fluxes of vacuolar solutes in excised sunflower roots....Pages 97-99
The role of maize root tissues in sulphate absorption and radial transport....Pages 101-105
Front Matter....Pages 61-61
Effect of light intensity on root growth, mycorrhizal infection and phosphate uptake in onion ( Allium cepa L.)....Pages 107-110
A simulation model of root and shoot growth at different levels of nitrogen availability....Pages 111-113
The relationship between phosphate absorption and root length in nine wheat cultivars....Pages 115-121
Variation in the rate of root respiration of two Carex species: A comparison of four related methods to determine the energy requirements for growth, maintenance and ion uptake....Pages 123-125
Front Matter....Pages 127-129
Water transport in roots....Pages 131-135
A biophysical model for water movement in roots: Root exudation and root pressure....Pages 137-137
Plant root water extraction studies using stable isotopes....Pages 139-145
Rectification of radial water flow in the hypodermis of nodal roots of Zea mays ....Pages 147-150
Patterns of long-distance movement of water in roots....Pages 151-155
Water uptake in the root system of Gramineae....Pages 157-163
Front Matter....Pages 165-168
Competition for nutrients between fruits and roots of tomato....Pages 169-173
Effects of internal and external cytokinin concentrations on root growth and shoot to root ratio of Plantago major ssp pleiosperma at different nutrient conditions....Pages 175-175
Root-shoot relationships in sorghum and maize plants with different numbers of seminal adventitious roots....Pages 177-181
Shoot/root ratio during the early heterotrophic growth of barley as influenced by mineral nutrition....Pages 183-188
Nitrogen and carbon utilization in shoots and roots of nitrogen-limited Pisum....Pages 189-193
The effect of shoot-root ratio and temperature on K + influx in rye....Pages 195-198
Front Matter....Pages 199-202
Root functioning under stress conditions: An introduction....Pages 203-206
Anatomy and gas exchange of the roots of wheat seedlings following root anaerobiosis....Pages 207-207
Front Matter....Pages 209-213
Quantification of air-filled root porosity: A comparison of two methods....Pages 215-218
Influence of oxygen deficiency on growth and function of plant roots....Pages 207-207
Effects of soil temperature and water on maize root growth....Pages 219-222
Changes in the osmotic potential of the root as a factor in the decrease in the root-shoot ratio of Zea mays plants under water stress....Pages 223-230
Induction of abscisic acid in excised maize roots by osmotic and salt stress....Pages 231-233
Ionic composition and metabolic changes in salt stressed roots....Pages 235-239
Physiological responses of lupin roots to soil compaction....Pages 241-246
Physiological and structural changes under flooding of whole corn plants....Pages 247-249
Recovery of ultrastructure in water stressed root epidermal cells of Zea mays ....Pages 251-255
Growth, root respiration and phosphorus utilization of normal and Agrobacterium rhizogenes transformed potato plants....Pages 257-261
Back Matter....Pages 263-267
....Pages 269-274