Triiodobenzoic acid, 505
Trimethylamine, 885
Triticum aestivum, 268, 310, 315, 510, 640, 641,
683, 866, 918
Tropaeolum majus, 90
Tropics, abiotic stresses, 583–603
bean, 587–597
adaptation to abiotic stress, 593
drought, breeding for, 591–592
low phosphorus supply, 594–595
phosphorus supply, physiological responses
to, 592–594
temperature, adaptation, 589–590
water deficits, physiological response to,
590–591
germplasm, 584–585
low-soil-fertility tolerance drought, 593
physiological research in crop improvement,
584–587
physiological tools, molecular genetics,
586–587
physiologically superior genotypes, 587
tropical forages, 597–603
adapted grasses, legumes, 602–603
grass-legume associations, 598–599
grasses, 598
legumes, 598
low-fertility acid soils, 597–598
nutrients, 599–601
phosphorus supply, low, 600–601
soil constraints, 601–602
yield potential, physiology of, 585
Tryptophan, 456
Tsuga canadensis, 108, 166
Tung nut, 156
Turgor, 618–619, 626, 716, 735, 744, 857, 861,
864, 868, 890–892, 896
Turnip, 373, 374
Tyrosine, 456
Ulmus americana, 109
Ultrastructural changes, senescense, 185–186
Ultraviolet-absorbing compounds, protein
induction, 674
Ulva lactuca, 753
Uptake, 3, 366–367
oxygen, rate of, 3
sodium, 366–367
Uromyces vignae, 703
Ursinia anethoides, 90
Vacuoles, mineral anion transport to, 350
Valeraldehyde, 931
Valerian, 487, 495–496
Valeriana officinalis, 90, 495
Valeric acid, 931
Valine, 456
Vaseyana, 7
Vegetative sinks, phloem transport, 461–462
Venidium fastuosum, 90
Verbascum chaixii, 90
Vernalization, 170
Veronica hederofolia, 166
Vetch, 374
Vibrnumspecies, 62
Viburnum, 62
Viburnum acerifolium, 109
Vicia faba, 507, 742
Vigna radiata, 567, 575, 642, 701
Vigna sinesis, 648
Vigna unguiculata, 842
Viral movement in phloem, 458
Volatile organic compounds, 931
Volvox, 803–815
asexual life cycle, 804–806
developmental genetics, 804–808
hormone responses, mutants, 812
life cycle, developmental program, 809–811
light, gravity responses, mutants, 812–814
molecular approaches, 807–808, 814
mosses, 808–814
sexual life cycle, mutants, 806–807Warming, global, 30
Waste recycling, plants and, 932–933, 935–936
atmospheric regeneration, 935
spaceflight testing, 935–936
Water, 29, 43, 284–285, 302–308, 517, 643–644,
669–672, 691, 835
limited availability, rising CO/d2/D and, 43
refrigerated, hydro cooling in, 29
Water fern, 517
Water oxidase, 752
metal and, 752
Water oxidation, 284–285, 302–308
complex, subunits of, 284–285
mechanism of, 302–308
proteins involved in, 284
Water status, decreased, 669–672
comparisons with heat shock, 669
low-temperature-inducible proteins, 670
low water status signal transduction, 670–672
physiology, 669–670
Water stress, nitrogen absorption, 643–644
Water uptake, Gossypium hirsutum, 691
Water use efficiency, transpiration efficiency and,
835
Weakening process, abscission, 205–507
Wheat, 39, 310, 374, 510, 640, 641, 683, 883, 918,
927, 934972 INDEX