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Effects of previous cropping and fungicide timing on the development of light leaf spot (Pyrenopeziza brassicae), seed yield and quality of winter oilseed rape (Brassica napus)
(1994-04)
Light leaf spot, caused by Pyrenopeziza brassicae, was assessed regularly on double-low cultivars of winter oilseed rape during field experiments at Rothamsted in 1990-91 and 1991-92. Previous cropping and fungicide ...
Observer behaviour in assessment of lodging in cereals
(Association of Applied Biologists, 1994)
Sampling to determine patterns of disease in linseed
(Association of Applied Biologists, 1994)