Wang X, El Hadrami A, Adam L, and Daayf F 2004. US-1 and US-8 genotypes of Phytophthora infestans differentially affect local, proximal and distal gene expression of phenylalanine ammonia-lyase and 3-hydroxy, 3-methylglutaryl CoA reductase in potato leaves. Physiological and Molecular Plant Pathology 65:157-167.

Wally O, Daayf F, Khadhair AH, Adam L, Elliott B, Shinners-Carnelley T, Iranpour M, Northover P and Keyworth S 2004. Incidence and molecular detection of yellows-type disease associated with carrot and leafhoppers in Southern Manitoba, Canada. Canadian Journal of Plant Pathology 26:498-505.

 Daayf F and Platt HW 2004. Changes in race structure of Gpi 100:111:122 and Gpi 100:100:111 populations of Phytophthora infestans in Canada during 1997-1999. Canadian Journal of Plant Pathology 26:548-554.

El Hassni M, El Hadrami A, Daayf F, Ait Barka E, and El Hadrami I 2004. Chitosan, antifungal product against Fusarium oxysporum f. sp. albedinis and elicitor of defence reactions in date palm roots. Phytopatholgia Mediterranea 43:195-204.

El Hassni M, J’Aiti F, Dihazi A, Ait Barka E, Daayf F, and El Hadrami I 2004. Enhancement of induced defense responses against Bayoud disease by treatment of date palm seedlings with a hypoaggressive Fusarium oxysporum isolate. Journal of Phytopathology 152:182-189.

Wang X, El Hadrami A, and Daayf F 2004. Differential induction of PAL and HMGR in two potato cultivars after inoculation with the US-8 genotype of Phytophthora infestans. Poplyphenols Communications A. Hoikkala & O. Soidinsalo Eds, pp.:521-522.

El Hassni M, Cherif M, Daayf F, El Hadrami A, AitBarka E, and El Hadrami I 2004. Use of antagonistic microorganisms against Fusarium oxysporum f.sp. albedinis for the control of Bayoud Disease in date palm. Poplyphenols Communications A. Hoikkala & O. Soidinsalo Eds, pp.:755-756.

El Hassni M, El Hadrami A, Daayf F, AitBarka E, and El Hadrami I 2004. Ability of chitosan to elicit defense reactions in date palm seedlings against Fusarium oxysporum f.sp. albedinis, the agent causing the Bayoud Disease. Poplyphenols Communications A. Hoikkala & O. Soidinsalo Eds, pp.:753-754.

Daayf F 2004 . Potato Research at the University of Manitoba. Manitoba Potato Research Coordination Meeting, April 6th, Portage-la-Prairie Manitoba. Invited talk.

Daayf F 2004. Using Molecular Tools for an Integrated Management of Potato Diseases through Rapid Diagnosis and Early Assessment of Diseases Associations. KVPA Spring Potato Production Day, January 30-31, Brandon Manitoba. Invited talk.

Daayf F and Tenuta M 2004. Potato Early Dying; Facts and Management Strategies. KVPA Spring Potato Production Day, January 30-31, Brandon Manitoba. Invited talk.

Daayf F , Iranpour M, Wally O, Khadhair AH, Adam L, Elliott B, Shinners-Carnelley T, and Northover P. 2004. PCR detection of phytoplasma in leafhoppers causing Aster Yellow diseases in carrot plants. 59th Annual Meeting of the Entomological Society of Manitoba, 24-25 October, Winnipeg Manitoba. Invited talk.

El Hadrami A, Wally O, Wang X, Adam L, Lamari L, and Daayf F 2004. Spatiotemporal tracking by PCR of late blight and associated diseases in stored potato tubers. -Abstract-. Canadian Journal of Plant Pathology, 26: 409.

El Hadrami A., Wally O., Wang X., Adam L., and Daayf F. ( 2004) Spatio-temporal tracking of pathogens by PCR in individual and mixed infections of potato tubers. -Abstract-In: Proceedings of the Annual Regional Meeting of the Canadian Phytopathological Society – Manitoba Section-, December 1 st, 2004. Winnipeg, Manitoba, Canada. (Talk).

El Hadrami A., Wally O., Wang X., Adam L., Lamari L., and Daayf F. ( 2004) Using molecular tools for an integrated management of potato diseases trough rapid diagnosis and early assessment of disease associations. -Abstract-In: Proceedings of the Keystone Vegetable Producers Association Inc. Spring Production Meeting. April 6 th, 2004. Portage la Prairie, Manitoba, Canada. (Talk).

El Hassni M., El Hadrami A., Daayf F., Ait Barka E. and El Hadrami I. ( 2004) Le chitosane, produit antifongique et éliciteur des réactions de défense chez le pathosystème palmier dattier-Fusarium oxysporum f. sp. albedinis. -Abstract-In: IX Journées Scientifiques du Réseau Biotechnologies Végétales de l’Agence Universitaire de la Francophonie. D. Gumedzoe (Eds). p. 161-165. October 4-7, 2004. Lomé, Togo. (Poster).

Uppal AK, Daayf F 2004. Biological control of potato Verticillium wilt. -Abstract-Annual meeting of the Canadian Phytopathological Society, June 13-16, Ottawa, Ontario.

Uppal A. K., El Hadrami A., Wang X., Adam L., and Daayf F. ( 2004) Use of bacteria and plant extracts to control potato Verticillium wilt. -Abstract-Annual Regional Meeting of the Canadian Phytopathological Society/Manitoba Section, Dec.1 st. Winnipeg, Manitoba, Canada. (Talk).

Wally, O., El Hadrami A., Adam L., Lamari L. and, Daayf F. 2004. Effect of late blight on the spatio-temporal development of pink rot and soft rot in potato tubers, based on polymerase chain reaction assays -Abstract-. Canadian Journal of Plant Pathology, 26: 234.

Wang X, El Hadrami A., and Daayf F 2004. Differential induction of potato defense genes in response to the old and the new Phytophthora infestans genotypes US-1 and US-8. -Abstract-International Joint Workshop on PR-Proteins and Induced Resistance. May 5-9, Elsinore, Denmark.

Wang X, El Hadrami A, and Daayf F 2004. Differential expression of PR proteins in potato leaves infected with US-1 and US-8 genotypes of Phytophthora infestans. -Abstract-. Canadian Journal of Plant Pathology, 26: 427.

Zhang Y, Daayf F, and Fernando WGD 2004. Induced Resistance in Canola Mediated by Sclerotinia sclerotiorum and Biocontrol Bacterium Bacillus amyloliquefaciens strain BS6. -Abstract- International Joint Workshop on PR-Proteins and Induced Resistance. Elsinore, Denmark, May 5-9.