Items where Author is "<span class="person_name">Leech, P. K.</span>"
Number of items: 5.
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