Variation in the glucosinolate content of oilseed rape leaves. 11. Response to infection by Alternaria brassicae (Berk) Sacc. - Doughty,K..J..; Porter,A..J..R..; Morton,A..M..; Kiddle,G..; Bock,C..H..; Wallsgrove,R..M.. (Annals of Applied Biology, 1991)