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ABSTRACTS/RÉSUMÉS

Abstracts of papers presented at the annual meeting of the Canadian Phytopathological Society University of Guelph, Guelph, Ontario 12-16 August 1984

Pages 259-269 | Published online: 29 Dec 2009
 

Abstract

Cloning and nucleotide sequencing of the 5' and 3' ends of papaya mosaic virus RNA. M.G. AbouHaidar and V. Ramassar. Depart men! of Botany, University of Toronto, Toronto, Ontario M5S l AI.

Microflora of peach leaf scars and its influence on peach canker caused by Leucostoma cincta. G.R. Aim and Z.A. Patrick. Department of Botany, University of Toronto, Ontario M5S 1A1.

Effectiveness of resistant and tolerant soybean cultivars in reducing plant loss caused by Phytophthora megasperma f. sp. glycinea. T. R. Anderson. Agriculture Canada, Research Station, Harrow, Ontario NOR I GO.

Light-stimulated extracellular accumulation of Nicotiana b proteins induced by some amino acids and by thiamine. A. Asselin. Departement dephylologie, Universite Laval, Quebec GIK 7P4.

Screening Triticum and Aegilops species for resistance to Bipolaris sorokiniana. K.L. Bailey, D.R. Knott and H. Harding. Department of Crop Science, University of Saskatchewan, Saskatoon, S7N 0 WO and Research Station, Agriculture Canada, 107 Science Crescent, Saskatoon, Saskatchewan S7N 0X2.

Lipid classes and fatty acid distribution in the resting sporangium of Synchytrium endobioticum. A.K. Bal, A.C. Dey, and M.C. Hampson. Department of Biology, Memorial University of Newfoundland, Department of Fisheries and Oceans, and Research Station, Agriculture Canada, St. John's, Newfoundland.

Evaluation of foliar-applied fungicides to control ascochyta blight of lentils in Saskatchewan. C.J. Beauchamp and R.A.A. Morrall. Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N0WQ.

Monoclonal antibodies to a glycopeptide produced by Ophiostoma ulmi. N. Benhamou, G.B. Ouellette, J.G. Lafontaine, and J.R. Joly. Département de biologie, Departement de microbiologie Medecine, Universite Laval, Quebec Gl K 7P4, and Laurentian Forest Research Centre, Quebec GIV4C7.

Responses of Nicotiana exigua to Peronospora hyoscyami f.sp. tabacina. J.W. Berry and W.E. McKeen. Plant Sciences Department, University of Western Ontario, London, Ontario N6A 5B7.

Intracellular suberin: occurrence and detection in tree bark. A.R. Biggs. Agriculture Canada, Research Station, Vineland Station, Ontario LOR 2EX).

Use of chitinase-and lectic-gold complexes for the ultrastructural identification of chitin in tomato plants infected by Fusarium oxysporum f.sp. radicislycopersici. Hélène Chamberland, P.M. Charest, F. Pauzé and G.B. Ouellette. Département de Phytologie. Universite Laval, Ste-Foy, Quebec GIK 7P4 and Laurentian Forest Research Centre, Ste-Foy, Quebec GIV4C7

Electron-probe x-ray analysis of haustorial neck rings of some rust fungi. J. Chong and D.E. Harder. Agriculture Canada, Research Station, 195 Dafoe Road, Winnipeg, Manitoba R3T2M9.

Effect of gluten, proflo, soya, yeast extract, and zein on zearalenone production by Fusarium graminearum. H. Cohen, G. A. Neish, and V. Purkayastha. Agriculture Canada, Centrat Experimental Farm, Ottawa, Ontario KIA 0C5.

Venturia asperata, a second species of Venturia occurring on apple in Canada. Michael Corlett. Biosystematks Research Institute, Agriculture Canada, Ottawa, Ontario KIA 0C6.

Bacterial stem rot – a new disease of greenhouse tomato in Ontario. B.N. Dhanvantari. Agriculture Canada, Research Station, Harrow, Ontario NOR 1G0

Effect of Ceratocystis ulmi strain aggressiveness on phytoalexin accumulation in Ulmus americana. L. Duchesne, R.S. Leng, and M. Hubbes. Faculty of Forestry, University of Toronto, Ontario M5S IA

Etude de l'accumulation et du potentiel de production de la Yomitoxine par le Fusarium graminearum chez le ble de printemps. G. Gilbert et D. Dostaler. Département de phytologie, Universite Laval, Quebec, GIK7P4.

Multivariate comparisons of morphological and cultural characteristics of Ascochyta lentis and Ascochyta fabae. B.D. Gossen, J.W. Sheard, and R.A.A. Morrall. Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0WO.

Inoculum – disease relationships in sclerotinia stem rot of canola. Richard K. Gugel and R.A.A. Morall. Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0W0.

The use of fluorescent DNA-binding agent, 4', 6- diamidino-2-phenylindol (DAPI), for detecting mycoplasma infections in Vinca rosea. C. Hiruki and Andrea Da Rocha. Department of Plant Science, University of Alberta, Edmonton, Alberta T6G 2P5

Glycoproteins in intercellular washing fluid obtained from healthy and rust infected leaves of wheat and barley. D.W. Holden and R. Rohringer. Agriculture Canada, Research Station, 195 Dafoe Road, Winnipeg, Manitoba R3T 2M9.

Some aspects of the disease interaction between Melampsora occidentalis and Populus trichocarpa from their natural pathosystem. Tom Hsiang and B.J. van der Kamp. Faculty of Forestry, University of British Columbia, Vancouver, British Columbia V6T IW5.

Effect of fosetyl-AI (Aliette) on vesicular-arbuscuiar mycorrhizal (VAM) colonization in Allium porrum. S. Jabaji-Hareand B. Kendrick. Biology Department University of Waterloo, Waterloo, Ontario.

A bunch rot of grapes caused by Aspergillus aculeatus. W.R. Jarvis and J.A. Traquair. Agriculture Canada. Research Station, Harrow, Ontario N0R 1G0.

Role of predisposition of beans to fungal attack in the herbicidal action of glyphosate. G.S. Johal and J.E. Rahe. Department of Biological Sciences, Simon Fräser University, Burnaby, British Columbia V5A IS6.

Characterization, virulence and effect of temperature on growth of Rhhoctonia isolates from canola/rapeseed. D.A. Kaminski and P.R. Verma. Agriculture Canada, Research Station, 107 Science Cres., Saskatoon, Saskatchewan S7N 0X2.

Cloning and nucleotide sequence of the 3' OH end of clover yellow mosaic virus RNA. P. Koo and M. Abou- Haidar. Department of Botany, University of Toronto, Toronto, Ontario M5S 1A1.

Infection of tobacco callus tissue cultures by Peronospora tabacina. S.C. Kramer and Z.A. Patrick. Department of Botany, University of Toronto, Toronto, Ontario M5S 1A1.

Etude de la variabilité dans la production de vomitoxine chez le Fusarium graminearum. M. Lacroix et D. Dostaler. Département de phyto/ogie. Université Laval, Québec G1K 7P4.

Evaluation of faba bean accessions for resistance to aphanomyces root rot. L. Lamari, R.Y. Rashid, and C.C. Bernier. Department of Plant Science, University of Manitoba, Winnipeg, Manitoba R3T 2N2.

The influence of cultivar tolerance on the control of phytophthora rot or soybeans by pyroxyfur seed treatment. George Lazarovils. Agriculture Canada, Research Centre, University Sub P.O., London, Ontario N6A 5B7.

Factors affecting colonization of sclerotia of Sclerotium cepivorum by soil microflora. M.E. Leggett, D. Goertz, and J.E. Rahe. Department of Biological Sciences, Simon Fräser University, Burnaby, British Columbia V5A 1S6.

Armillaria isolates, their characterization and their host specificity. D. Lin, M.T. Dumas, and M. Hubbes. Faculty of Forestry, University of Toronto, Toronto, Ontario M5S 1Al.

Effects of extracts of inner bark oiCryptomeria japonica on growth of Trichoderma harzianum and Pleurotus ostreatus. Robert Macrea, T. Yoshimoto, and M. Samejima. Department of Botany, University of Toronto, Toronto, Ontario M5S 1Al, and Faculty of Agriculture, University of Tokyo, Japan 113.

Monoclonal antibodies define three different antigenic regions on raspberry bushy dwarf virus. R.R. Martin. Agriculture Canada, Research Station, 6660 N. W. Marine Drive, Vancouver, British Columbia V6T 1X2.

Viruses associated with mosaic symptoms in Russet Bur* bank potato. J.G. McDonald. Agriculture Canada, Research Station, P.O. Box 1210, Charlottetown, Prince Edward Island C1A 7M8.

Response of white birch trees to repeated S 0 2 fumigations. W.D. Mcllveen and J J. Negusanti. Ontario Ministry of the Environment, 199 Larch Street. Sudbury, Ontario P3E 5P9.

Metamorphosis of Peronospora hyoscyami f.sp. tabacina protoplasm. W.E. McKeen, A.M. Svircev, and J.W. Berry. Plant Sciences Department, University of Western Ontario, London, Ontario N6A 5B7.

Root disease of white spruce in centra] British Columbia. H. Merler and B.J. van der Kamp. Department of Forest Sciences, University of British Columbia, Vancouver, British Columbia V6T IW5,

A preliminary toxicologic study of lentil seed infested with Ascochyta lentis. R.A.A. Marrall and J.N. Tarwid. Department of Biology and Department of Veterinary Pathology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0W0.

Yield losses due to sclerotinia stem rot in western Canadian rapeseed. R.A.A. Morrall, J. Dueck, and P.R. Verma. Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0W0 and Agriculture Canada, Research Station, Saskatoon, Saskatchewan S7N 0X2.

Characterisation of Rhizoctonia solani isolates from Manitoba. C.N. Mwiindilila and C.C. Bernier. Department of Plant Science, University of Manitoba, Winnipeg, Manitoba R3T2N2.

A previously unreported disease of cranberries caused by Exobasidium perenne sp. nov. N.L. Nickerson. Research Station, Agriculture Canada, Kenlville, Nova Scotia B4N 1J5.

Effet de la betaine et de la choline sur la fusariose de l'EPI du ble et la teneur en vomhoxine produite par le Fusarium graminearum. K. Nkongolo-Kabweet D. Dostaler. Département de phytologié Université Laval, Québec G1K 7P4.

Prediction of sclerotinia stem rot in rapeseed using buried sclerotia. H. OtondoandS.R. Rimmer. Department of Plant Science, University of Manitoba, Winnipeg, Manitoba R3T 2N2.

Anastomosis-group identification of Rhizoctonia solani isolates obtained from sclerotia occurring on potato tubers. B. Otrysko, G. Banville, and A. Asselin. Departement de phytologie, Universite Laval, Quebec GlK 7P4; and (G.B.) Ministere de I'Agriculture du Quebec, Stn. "Les Buissons"

Observations of Ophiostoma ulmi development in elm and non host trees. G.B. Ouellette, J.R. Thibault, and Danny Rioux. Laurentian Forest Research Centre, Ste-Foy, Québec GlV 4C7, and Département de foreslerie et Géodésic, Université Laval, Québec GIK 7P4.

Identification of a hypodermal Casparian band in Allium porrum, A Ilium moly, Hoy a carnosa, Hoya compacta and Hoya globulosa .CJ. Perumalla and Carol A. Peterson. Department of Biology. University of Waterloo, Waterloo, Ontario N2LJGI.

Decreased detection rate by ELISA of alfalfa mosaic virus (AM V) during germination of alfalfa seed. Z. Pesic, G.C. Figueiredo, and C. Hiruki. Department of Plant Science, University of Alberta, Edmonton, Alberta T6G 2P5.

Late blight development and control with disease prevention fungicides. H.W. Platt. Agriculture Canada, Research Station. P.O. Box 1210, Charlottetown, Prince Edward Island CIA 7M8.

Vascular coating material: a resistance mechanism in verticillium wilt of tomato. Jane Robb and Peter F.S. Street. Department of Botany and Genetics, University of Guelph, Guelph, Ontario N1G 2WI.

Chemotaxis of Pseudomonas putida to soybean seed exudates in vitro and in soil. Fran M. Scher, Joseph W. Kloepper and Carol A. Singleton, Allelix inc., 6850 Goreway Drive, Mississauga, Ontario L4V 1P1

Development of snow mold diseases of winter wheat. E.F. Schneider and W.L. Seaman. Chemistry and Biology Research Institute and Ottawa Research Station, Agriculture Canada, Ottawa, Ontario K1A 0C6.

Typhula phacorrhiza on winter wheat in Ontario. W.L. Seaman and E.F. Schneider. Ottawa Research Station, and Chemistry and Biology Research Institute, Agriculture Canada, Ottawa, Ontario KIA 0C6.

Negative cross resistance of benomyl and diphenylamine with Botrytis cinerea and Gerlachia nivalis. M.S. Sharom and L.V. Edgington. University of Guelph, Guelph, Ontario N1G 2WI.

Nucleotide sequence and cloning of lucerne transient streak virus (LTSV). S. Simpson, M. AbouHaidar, and Y.C. Paliwal. Department of Botany, University of Toronto, Toronto, Ontario M5S 1A1, and (Y.C. P.) Chemistry and Biology Research Institute, Agriculture Canada, Ottawa, Ontario KIA 0R6.

Evaluation of seed treatment formulations containing triadimenol and nuarimol for control of the loose smuts of wheat [Ustilago tritici] and barley [Ustilago nudct]. D.B. Smith. Chipman Inc. P.O. Box 9910, Stoney Creek, Ontario L8G 3Z1.

Interactions between the ectomycorrhizal fungus Laccaria laccata and associated rhizosphere fungi on roots of black spruce. Richard C. Summerbell. Department of Botany, University of Toronto. Toronto, Ontario M5S 1A1.

Fungistatic effect of carbon dioxide on conidia of Peronospora hyoscyami f.sp. tabacina. A.M. Svircev, WE. McKeen, and J.W. Berry. Department of Plant Sciences, University of Western Ontario, London, Ontario N6A 5B7.

A technique to study the influence of soil moisture on sclerotium germination of Sclerotiniasclerotiorum. B.K. Teoand R.A.A. Morrall. Department of Biology, University of Saskatchewan, Saskatoon, Saskatchewan S7N 0W0.

Rapid isolation of sclerotia of Sclerotium cepivorum from muck soil using sucrose centrifugation. B. Vimard, M.E. Leggett, and J.E. Rahe. Department of Biological Sciences, Simon Fräser University, Burnaby, British Columbia V5A IS6.

Two double-stranded RN As of unknown origin in vegetative tissues of bean. D.A. Wakarchuk and R.I. Hamilton. Agriculture Canada, Research Station, 6660 N. W. Marine Drive, Vancouver, British Columbia V6T 1X2

Effects of Trichoderma spp. on conifer seedlings and damping-off. R.E. Wall and CM. Johnson. Canadian Forestry Service, Maritimes Forest Research Centre, Fredericton, New Brunswick E3B 5P7.

The development of Puccinia helianthi in heat-treated and untreated leaves of Phaseolus vulgaris. Lesley A. Wood and Michele C. Heath. Department of Botany, University of Toronto, Toronto, Ontario M5S lA1.

Metabolite levels as indicators of fungal biomass. J.C. Young and J.D. Miller. Chemistry and Biology Research Institute, Agriculture Canada, Ottawa, Ontario KIA 0C6.

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