LITERATURE CITED
- Abd-El-Razik, A. A., M. N. Shatla, and M. Rushdi. 1973. Studies on the infection of onion plants by Sclerotium cepivorum Berk. Phytopathol. Z. 76: 108–116.
- Abd-El-Razik, A. A., M. N. Shatla, and M. Rushdi. 1974. Relationship of pectolytic enzyme production by isolates of Sclerotium cepivorum Berk, to their pathogenicity. Zentralbl. Bakteriol. Hyg. Z. Abt. 129: 253–258.
- Bateman, D. F. 1964. An induced mechanism of tissue resistance to polygalacturonase in Rhizoctonia-infected hypocotyls of bean. Phytopathology 53: 197–204.
- Bateman, D. F.. 1976. Plant cell wall hydrolysis by pathogens. Pp. 79–103. In: Biochemical aspects of plant parasite relationships. Eds., J. Friend and D. R. Threlfall. Academic Press, London.
- Bateman, D. F., and S. V. Beer. 1965. Simultaneous production and synergistic action of oxalic acid and polygalacturonase during pathogenesis by Sclerotium rolfsii. Phytopathology 55: 204–211.
- Bateman, D. F., and S. V. Beer, and R. D. Lumsden. 1965. Relation of calcium content and nature of the pectic substances in bean hypocotyls of different ages to susceptibility to an isolate of Rhizoctonia solani. Phytopathology 55: 734–738.
- Bateman, D. F., and S. V. Beer, and R. D. Lumsden, H. D. Van Etten, P. D. English, D. J. Nevins, and P. Albersheim. 1969. Susceptibility to enzymatic degradation of cell walls from bean plants resistant and susceptible to Rhizoctonia solani Kühn. Pl. Physiol. 44: 641–648.
- Chemical Rubber Company. 1982. Handbook of chromatography. Vol. II. P. 300. CRC Press, Inc., Boca Raton, Florida.
- Cooper, R. M., B. Rankin, and R. K. S. Wood. 1978. Cell wall-degrading enzymes of vascular wilt fungi. II. Properties and modes of action of polysaccharidases of Verticillium albo-atrum and Fusarium oxysporum f.sp. lycopersici. Physiol. Pl. Pathol. 5: 135–156.
- Kritzman, G., I. Chet, and Y. Henis. 1977. The role of oxalic acid in the pathogenic behavior of Sclerotium rolfsii Sacc. Exp. Mycol. 1: 280–285.
- Mankarios, A. T., and J. Friend. 1980. Polysaccharide-degrading enzymes of Botrytis allii and Sclerotium cepivorum. Enzyme production in culture and the effect of the enzymes on isolated onion cell walls. Physiol. Pl. Pathol. 17: 93–104.
- Mankarios, A. T., and J. Friend, M. A. Hall, M. C. Jarvis, D. R. Threlfall, and J. Friend. 1980. Cell wall polysaccharides from onions. Phytochemistry 19: 1731–1733.
- Maxwell, D. P., and R. D. Lumsden. 1970. Oxalic acid production by Sclerotinia sclerotiorum in infected bean and in culture. Phytopathology 60: 1395–1398.
- Noyes, R. D., and J. G. Hancock. 1981. Role of oxalic acid in the Sclerotinia wilt of sunflower. Physiol. Pl. Pathol. 18: 123–132.
- Stern, F., G. Grumet, F. Trabal, A. Mennis, and H. H. Zinsser. 1965. Paper chromatographic studies of urinary organic acids. J. Chromatography 19: 130–146.
- Stockwell, V., and P. Hanchey. 1982. Cytochemical techniques for calcium localization and their application to diseased plants. Pl. Physiol. 70: 244–251.
- Stone, H. E. 1982. The production of oxalic acid by Sclerotium cepivorum Berk during the infection of onion. M.S. Thesis, California State Polytechnic Univ., Pomona, California.
- Walker, J. C. 1924. White rot of Allium in Europe and America. Phytopathology 14: 315–323.