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Title
Effects of stem canker (Leptoshaeria maculans) and light leaf spot (Pyrenopeziza brassicae) on yield of winter oilseed rape (Brassica napus) in southern England.
Investigates the effects of stem canker and light leaf spot on yield of winter oilseed rape in southern England. Analysis on the relationship between yield loss and incidence or severity of stem canker; Combination of effects on several diseases on crop yield; Interaction between pests and diseases.