TY - BOOK AU - Boughey, A.S. TI - The cause of variation in the incidence of cotton leaf curl in the Sudan Gezira U1 - P 571.929 21st ed. PY - 1947/// CY - Surrey PB - The Imperial Mycological Institute KW - Cotton KW - Eumycota KW - Fungal diseases KW - Fungi KW - Plant diseases KW - Sudan N1 - Bibliography: p 9 ER -