Items where Author is "Leech, P. K."

Item Type No Grouping

Effects of timing of Leptosphaeria maculans ascospore release and fungicide regime on phoma leaf spot and phoma stem canker development on winter oilseed rape (Brassica napus) in southern England. (2002) Jon S. West, Bruce D.L. Fitt, P. K. Leech, J. E. Biddulph, Yongju Huang and M. H. Balesdent

New perspectives on the epidemiology and management of phoma stem canker of winter oilseed rape in England. (2002) Jon S. West, Yongju Huang, J. M. Steed, P. K. Leech, Bruce D.L. Fitt and P. Gladders

Optimising the use of fungicides to control stem canker of oilseed rape. (1999) Jon S. West, P. K. Leech, Bruce D.L. Fitt, S.J. Welham, A. Penaud, A. Peres and B. Poisson

The effect of climate on the Release of Ascospores of Leptosphaeria maculans (Stem Canker of Oilseed Rape). (1999) Jon S. West, Neal Evans, P. K. Leech and Bruce D.L. Fitt

The effects of rainfall on numbers of air-borne ascospores of Leptosphaeria maculans and the development of phoma leaf lesions on winter oilseed rape. (1998) Jon S. West, P. K. Leech and Bruce D.L. Fitt