References
- Alex , J. F. and Switzer , CM. 1976 . Ontario weeds , Ontario Ministry of Agriculture and Food. Publ. 505 208 pp
- Boerema , G. H. 1976 . The Phoma species studied in culture by Dr. R.W.G. Dennis . Trans. Br. Mycol. Soc. , 67 : 289 – 319 .
- Cerkauskas , R. F. 1983 . Survey of parsnip problems in the Bradford region, 1983. Report of the Committee on Horticultural Research 1983 , 47 The Canadian Horticultural Council .
- Cerkauskas , R. F. 1985a . Canker of parsnip caused by Phoma complanata. . Can. J. Plant Pathol. , 7 : 135 – 138 .
- Cerkauskas , R. F. 1985b . Phoma canker of parsnip — overwintering and effects on seed germination . Can. J. Plant Pathol. , 7 : 443 Abstr
- Cerkauskas , R. F. 1986 . Susceptibility of parsnip cultivars to canker caused by Phoma complanata. . Can. J. Plant Pathol. , 8 : 455 – 458 .
- Cerkauskas , R. F. and Sinclair , J. B. 1980 . Use of paraquat to aid detection of fungi in soybean tissues . Phytopathology , 70 : 1036 – 1038 .
- Cerkauskas , R. F. , Dhingra , O. D. , Sinclair , J. B. and Asmus , G. 1983 . Amaranthus spinosus, Leonotis nepetaefolia, and Leonurus sibiricus: New hosts of Phomopsis spp. in Brazil . Plant Dis. , 67 : 821 – 824 .
- Channon , A. G. 1963 . Studies on parsnip canker. I. The causes of the diseases . Ann. Appl. Biol. , 51 : 1 – 15 .
- Channon , A. G. 1969 . Infection of the flowers and seed of parsnip by Intersonilla pastinacae. . Ann. Appl. , 64 : 281 – 288 .
- Conners , I. L. 1967 . An annotated index of plant diseases in Canada , Can. Dep. Agric. Publ. 1251 381 pp
- Dennis , R. W. G. 1946 . Notes on some British fungi ascribed to Phoma and related genera . Trans. Br. Mycol. Soc. , 29 : 11 – 42 .
- Grove , W. B. 1935 . British Stem- and Leaf-Fungi , Vol. 1 , London, England : Cambridge Univ. Press . 448 pp
- Hepperly , P. R. , Kirkpatrick , B. L. and Sinclair , J. B. 1980 . Abutilon theophrasti: Wild host for three fungal parasites of soybean . Phytopathology , 70 : 307 – 310 .
- Katan , J. 1971 . Symptomless carriers of the tomato Fusarium wilt pathogen . Phytopathology , 61 : 1213 – 1217 .
- Keyworth , W. G. 1968 . Annual Report 1968 , 85 Wellesbourne, Warwick, , U.K. : National Vegetable Res. Stn .
- Malik , N. K. and Milton , J. M. 1980 . Survival of Verticillium in monocotyledonous plants . Trans. Br. Mycol. Soc , 75 : 496 – 498 .
- Maude , R. B. , Vizor , A. S. and Shuring , C. G. 1969 . The control of fungal seed-borne diseases by means of a thiram seed soak . Ann. Appl. Biol. , 64 : 245 – 257 .
- Smith , P. R. 1966 . Seed transmission of Itersonilia pastinacae in parsnip and its elimination by a steam-air treatment . Aust. J. Exp. Agric. Anim. Husb. , 6 : 441 – 444 .
- Steel , R. G. D. and Torrie , J. H. 1980 . Principles and Procedures of Statistics , New York : McGraw-Hill . 481 pp
- Wolliams , G. E. 1966 . Host range and symptomatology of Verticillium dahliae in economic, weed, and native plants in interior British Columbia . Can. J. Plant Sci. , 46 : 661 – 669 .