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Browsing University of Hertfordshire by Author "Poisson, B."
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Optimising the use of fungicides to control stem canker of oilseed rape
West, Jon S.; Leech, P. K.; Fitt, Bruce D.L.; Welham, S.J.; Penaud, A.; Peres, A.; Poisson, B. (1999)Ascospores of Leptosphaeria maculans infect leaves of oilseed rape to cause leaf spots, from which the fungus can grow to infect the stem. Yield losses due to early senescence and lodging result if the stem infections reach ...