Accumulation of foliar soluble proline in sulphur dioxide-stressed Glycine max CV. ‘Essex’ and Hordeum vulgare CVS ‘Proctor’ and ‘Excelsior’ seedlings

Barrett, 1970, Sulfur dioxide, C1 Black, 1979, A system for measuring effects of sulphur dioxide on gas exchange of plants, J. exp. Bot., 30, 81, 10.1093/jxb/30.1.81 Boggess, 1976, Contribution of arginine to proline accumulation in water-stressed barley leaves, Pl. Physiol., Lancaster, 58, 796, 10.1104/pp.58.6.796 Boggess, 1976, Effect of water stress on proline synthesis from radioactive precursors, Pl. Physiol., Lancaster, 58, 398, 10.1104/pp.58.3.398 Brenner, 1960, Dünnschicht-Chromatographie von Aminosauren, Experientia, 16, 378, 10.1007/BF02157918 Chinard, 1952, Photometric estimation of proline and ornithine, J. biol. Chem., 199, 91, 10.1016/S0021-9258(18)44814-4 Dashek, 1970, Synthesis and transport of hydroxyproline-rich components in suspension cultures of sycamore-maple cells, Pl. Physiol., Lancaster, 46, 831, 10.1104/pp.46.6.831 Dashek, 1981, Isolation, assay, biosynthesis, metabolism, uptake and translocation, and function of proline in plant cells and tissues, Bot. Rev., 47, 349, 10.1007/BF02860578 Dodrill, 1976, Fate of sulfur dioxide absorbed by foliage of Coleus and bean in relation to visible injury Elkiey, 1979, Ozone and sulphur dioxide effects on leaf water potential of Petunia, Z. Pflanzenphysiol., 91, 177, 10.1016/S0044-328X(79)80092-6 Environmental Protection Agency, 1978, Diagnosing vegetation injury caused by air pollution Godzik, 1974, Concentration changes of free amino acids in primary bean leaves after continuous and interrupted SO2 fumigation and recovery, Environ. Pollut., 7, 25, 10.1016/0013-9327(74)90004-4 Guderian, 1977 Hanson, 1977, Evaluation of free proline accumulation as an index of drought resistance using two contrasting barley cultivars, Crop. Sci., 17, 720, 10.2135/cropsci1977.0011183X001700050012x Hanson, 1979, Capacity for proline accumulation during water stress in barley and its implications for breeding for drought resistance, Crop. Sci., 19, 489, 10.2135/cropsci1979.0011183X001900040015x Heck, 1978, Response of oats to sulfur dioxide: Interactions of growth temperature with exposure temperature or humidity, J. Air Pollut. Control Ass., 28, 241, 10.1080/00022470.1978.10470596 Heilmann, 1957, Beitrag zur Aminosaurebestimmung auf Papierchromatogrammen, Z. physiol. Chem., 309, 1 Hochheiser, 1965, Determination of sulfur dioxide: West and Gaeke method Jäger, 1975, Wirkung von SO2-Begasung auf die Aktivität von Enzymen des Amino Säurestoffwechsels und den Gehalt freier AminoSäuren in unterschiedlich Resistenten, Pflanzen Z. Pflkrankh. Pfl. Schultz., 82, 139 Jäger, 1972, Einfluss von SO2 auf den AminoSäurestoffwechsel von Erbsekeimlingen, Oecologia, Berl., 9, 135, 10.1007/BF00345878 Katz, 1949, Sulfur dioxide in the atmosphere and its relation to plant life, Ind. Engng Chem., 41, 2450, 10.1021/ie50479a025 Krolak, 1978, Azetidine-2-carboxylic acid-induced suppression of 14C-proline incorporation into cytoplasmic macromolecules and cell walls of Lilium longiflorum pollen, 62 Leone, 1972, Modification of sulfur dioxide injury to tobacco and tomato by varying nitrogen and sulfur nutrition, J. Air Pollut. Control Ass., 22, 544, 10.1080/00022470.1972.10469677 Markowski, 1975, Influence of sulfur dioxide and ozone on vegetation of bean and barley plants under different soil moisture conditions, Bull. Acad. pol. Sci., 22, 875 Miller, 1974, Relative sensitivity of soybean genotypes to ozone and sulfur dioxide, J. environ. Qual., 3, 35, 10.2134/jeq1974.00472425000300010011x National Academy of Sciences, 1978 O'Gara, 1922, Sulfur dioxide and fume problems and their solutions, Ind. Engng. Chem., 14, 744 Rist, 1979, The influence of exposure temperature and relative humidity on the response of pinto bean foliage to sulfur dioxide, Phytopathology, 69, 231, 10.1094/Phyto-69-231 Setterstrom, 1939, Factors influencing susceptibility of plants to sulfur dioxide injury, Contrib. Boyce Thompson Inst. Pl. Res., 10, 155 Singh, 1972, Proline accumulation and varietal adaptability to drought in barley: A potential metabolic measure of drought resistance, Nature New Biol., 236, 188, 10.1038/newbio236188a0 Snedecor, 1979 Stewart, 1972, The effect of wilting on proline metabolism in excised bean leaves in the dark, Pl. Physiol., Lancaster, 51, 508, 10.1104/pp.51.3.508 Stewart, 1977, Inhibition of proline oxidation by water stress, Pl. Physiol., Lancaster, 59, 930, 10.1104/pp.59.5.930 Stewart, 1978, Metabolism of 5-3H proline by barley leaves and its use in measuring the effects of water stress on proline oxidation, Pl. Physiol., Lancaster, 61, 654, 10.1104/pp.61.4.654 Thomas, 1956, Effect of air pollution on plants Troll, 1955, A photometric method for the determination of proline, J. biol. Chem., 215, 655, 10.1016/S0021-9258(18)65988-5 Wartburg, 1968, Estimating concentrations of air pollutants, Chemistry, 41, 29 Zimmerman, 1954, Toxicity of air containing sulfur dioxide gas, Contrib. Boyce Thompson Inst., Pl. Res., 6, 445