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Sustainable strategies for managing Brassica napus (oilseed rape) resistance to Leptosphaeria maculans (phoma stem canker)
Edited by Fitt, B.D.L.; Evans, N.; Howlett, B.J.; Cooke, B.M.
Springer
2006
Hardback 134 p. ISBN 1402045247
£52.00
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The interaction between the fungus Leptosphaeria maculans and oilseed rape (Brassica napus) is becoming an
excellent model system for studying genetics of host-pathogen interactions. Leptosphaeria maculans causes phoma
stem canker (blackleg) on oilseed rape and other Brassica crops worldwide. Recently, application of molecular
techniques has led to increased understanding of the genetics of this hemibiotrophic interaction. The complete
sequences of the genomes of L. maculans and B. rapa (comprising the Brassica A genome) will be available soon.
This will provide new opportunities to investigate basic metabolic pathways in the host and the pathogen, and
detailed knowledge of the disease process. Worldwide, the major strategy for control of phoma stem canker is
the use of cultivars with resistance to L. maculans. However, serious epidemics have occurred recently in
Australia and Europe when L. maculans populations changed such that major gene resistance in oilseed rape
was overcome. Thus there is an urgent need to find and deploy sources of resistance to L. maculans in a manner
that enhances their durability.
This book provides researchers with a synthesis of the recent studies relating to strategies for management
of resistance genes to provide effective control of L. maculans, and will stimulate further research on this
important model system.
Of interest to scientists and practioners in plant breeding and plant pathology, as well as microbiology and
agriculture.
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