LITERATURE CITED
- Chuang, T. Y., and W. H. Ko. 1981. Propagule size: its relation to population density of microorganisms in soil. Soil Biol. Biochem. 13: 185–190.
- Daniels, B. A., P. M. McCool, and J. A. Menge. 1981. Comparative inoculum potential of spores of six vesicular-arbuscular mycorrhizal fungi. New Phytol. 89: 385–391.
- Daniels, B. A., P. M. McCool, and J. A. Menge, and J. A. Menge. 1981. Evaluation of the commercial potential of the vesicular-arbuscular mycorrhizal fungus, Glomus epigaeus. New Phytol. 87: 345–354.
- Ferguson, J. J. 1981. Inoculum production and field application of vesicular-arbuscular mycorrhizal fungi. Ph.D. Thesis, Univ. of California, Riverside.
- Ferguson, J. J., and J. A. Menge. 1982. The influence of light intensity and artificially extended photoperiod upon infection and sporulation of Glomus fasciculatus on sudan grass and on root exudation of sudan grass. New Phytol. 92: 183–191.
- Furlan, V., and J. A. Fortin. 1973. Formation of endomycorrhizae by Endogone calospora on Allium cepa under three different temperature regimes. Naturaliste Canad. 100: 467–477.
- Gerdemann, J. W., and T. H. Nicolson. 1963. Spores of mycorrhizal Endogone species extracted from soil by wet sieving and decanting. Trans. Brit. Mycol. Soc. 46: 235–244.
- Johnson, C. R., J. A. Menge, S. Schwab, and I. P. Ting. 1982. Interaction of photoperiod and vesicular-arbuscular mycorrhizae on growth and metabolism of sweet orange. New Phytol. 90: 665–669.
- Menge, J. A., E. L. V. Johnson, and R. G. Platt. 1978. Mycorrhizal dependency of several citrus cultivars under three nutrient regimes. New Phytol. 81: 553–559.
- Mosse, B. 1975. Specificity in VA mycorrhizas. Pp. 469–484. In: Endomycorrhizas. Eds., F. E. Sanders, B. Mosse, and P. B. Tinker. Academic Press, New York and London.
- Phillips, J. M., and D. S. Hayman. 1970. Improved procedures for clearing roots and staining parasitic and vesicular-arbuscular mycorrhizal fungi for rapid assessment of infection. Trans. Brit. Mycol. Soc. 55: 158–161.
- Schenck, N. C., and R. A. Kinloch. 1980. Incidence of mycorrhizal fungi on six field crops in monoculture on a newly cleared woodland site. Mycologia 72: 445–455.
- Schenck, N. C., and R. A. Kinloch, and V. N. Schroder. 1974. Temperature response of Endogone mycorrhiza on soybean roots. Mycologia 66: 600–605.
- Toussoun, T. A., S. M. Nash, and W. C. Snyder. 1960. The effect of nitrogen sources and glucose on the pathogenesis of Fusarium solani f. phaseoli. Phytopathology 50: 137–141.
- Trainor, M. J., and C. A. Martinson. 1978. Nutrition during spore production and the inoculum potential of Helminthosporium maydis Race T. Phytopathology 68: 1049–1053.
- Williams, F. J. 1965. Antecedent nitrogen sources affecting virulence of Colletotrichum phomoides. Phytopathology 55: 333–335.
- Wilson, J. M., and M. J. Trinick. 1982. Factors affecting the estimation of numbers of infective propagules of vesicular-arbuscular mycorrhizal fungi by the most probable number method. Aust. J. Soil Res. 21: 73–81.
- Zadoks, J. C., and R. D. Schein. 1979. Epidemiology and plant disease management. Oxford Univ. Press, New York. 427 p.