Nierembergia hippomanica, 84
Nigella damascena, 84
Nitella flexilis, 700
Nitraria retusa, 131
Nitrate, 4, 350
peroxyacetyl, 4
Nitric oxide, 663
Nitrogen absorption, 637–656, 685–688
accumulation, nitrogenous compounds,
648–650
amides, amino acids, 649–650
diamines, polyamines, 650
quaternary ammonium compounds, 649
assimilation of, 638–639
Gossypium hirsutum, 685–688
sources of, 638
stresses, 639–648
light, 644–646
metal toxicity, 647–648
salinity, 640–643
temperature, 646–647
high temperature, 646–647
low temperature, 647
water stress, 643–644
under stressful conditions, 637–656
Nitrogen-containing compounds, translocated in
phloem, 454–456
Nitrogen metabolism, 385–406, 688–691
acquisition of nitrogen, 386–390
nitrogen accumulation, 387–390
factors affecting, 388–389
nitrogen assimilation, 389–390
nitrogen uptake, 387–388
nitrogen availability, 386–387
assimilation,Gossypium hirsutum, 688–691
ammonium plus amide-N content, 690
free amino-N content, 690–691
protein-N content, 688–689
total soluble-N content, 690
crop response, 393–399
form of nitrogen, 396–398
genotypic variation, 395–396
growth, yield response, 394–395
nitrogen accumulation, timing of, 390–391
nitrogen fertilizer use, environmental aspects of,
399–400
nitrogen use efficiency, 398–399
physiological roles, nitrogen, 391–394
carbon, nitrogen, interactions of,
393–394
Nitrogen nutrition, rising CO/d2/D and, 44–45
Nitrogenase, 752
metal and, 752
Nondeep dormancy, 64
Nonilluminated plastids, amount of PChlide in, 272
Nonphotosynthetic tissues, carbohydrate synthesis,
479–481
cyclitols, 481
fructans, 480
polyois, 480
raffinose family oligosaccharides, 480–481
starch, 479–480
structural carbohydrates, 481
sucrose, 480
Nonprotein amino acids, absorption, 650
North America, rivers of, sodium, 364
Norway maple, 58
Nuclear, plastid, mitochondrial genomes,
correlation between, 794
Nuclear magnetic resonance, 886
Nucleic acids, senescense, 187–188
Nucleotides, synthesis of, dormancy and, 174
Nut sedge, 927
Nutrients, 172–173, 191–192, 366, 456, 511,
599–601
mobilization, senescense, 191–192
Nymphoides peltata, 517
Nyssa sylvatica, 101Oat, 374, 646
Ocimene, 931
Ocimum basilicum, 84
Oenothera arcillicola, 85
Oncidium, 549
Onion, 374, 927
Optical waveguide solar lighting system, 920
Opuntia ficus-indica, 41
Orange, 150–152
Orchard grass, 166
Orchid, 24, 549–562
ACC oxidase, 550
ACC synthase, 550
Acl-CoA oxidase, 550
development, 549–551
ethylene biosynthesis, 554–556
floral coloration, 556–557
genomic, cDna clones from orchids, 550
ovule development, 552–553
perianth senescence, 553–554
pollination, 552–556
Organelles, replication of, 1
Organic arsenicals, translocated in phloem, 457
Organic solute accumulation, 864–868
ion compartmentation, 866
metabolic costs of, 868
monovalent cations, 867–868
osmoregulation, 864–866
Oriza sativa, 501, 567, 631, 640, 641, 685
Ornithine, 456
Orobanche aegyptiaca, 790–791960 INDEX