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By N.C. Brady (Ed.)

ISBN-10: 0120007274

ISBN-13: 9780120007271

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And Crop Sci. SOC. , Madison, Wisconsin. Stewart, C. R. 1971. Plant Physiol. 48, 792-794. , Waldron, L. , and Ulrich, A. 1971. Planta 97, 281-289. Upchurch, R. , Peterson, M. , and Hagan, R. M. 1955. Plant Physiol. 30, 297-303. Wardlaw, I. F. 1967. Aust. J. Biol. Sci. 20, 25-39. Wardlaw, I. F. 1969. Aust. J. B i d . Sci. 22, 1-16. Wardlaw, I. F. 1971. Aust. J . Biol. Sci. 24, 1047-1055. Wright, N. , and Jordan, G. L. 1970. Crop Sci. 10, 99-102. Yoshida, S . 1972. Annu. Rev. Plant Physiol. 23, 437464.

Levan synthesis is more intense in the absence than in the presence of toluene (Fig. 2). , 1962a, 1972). Similarly, levanolysis in soils not treated with toluene is due primarily to the levanase of proliferating microorganisms rather than to the accumulated 34 s. KISS, M. DRAGAN-BULARDA, AND D. , 1965; Drigan-Bularda and Kiss, 1972b). In both the presence and the absence of toluene, levan synthesis predominates over levanolysis (Kiss and Dragan-Bularda, 1968a, 1970a). Levansucrase and levanase activities in soil samples 7-irradiated at minimum sterilizing dosage did not suffer any changes in comparison with the activities of nonirradiated but toluene-treated samples.

1938. ” McGraw-Hill, New York. Morilla, C. , Boyer, J. ,and Hageman, R. H. 1973. Plant Physiol. 51, 817-824. Moss, G. , and Downey, L. A. 1971. Crop Sci. 11, 368-372. Nelson, C. , Asay, K. , Horst, G. , and Hildebrand, E. S . 1974. Crop Sci. 14, 26-28. , and Poljakoff-Mayber, A. 1967. Nature (London) 213, 418419. Passioura, J. B. 1972. Aust. 1. Agr. Res. 23, 745-752. Plaut, 2. 1971. Plant Physiol. 48, 591-595. , and Bravdo, B. 1973. Plant Physiol. 52,28-32. Potter, J. , and Boyer, J. S. 1973. Plant Physiol.

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Advances in Agronomy, Vol. 27 by N.C. Brady (Ed.)

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