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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 ...