TY  - BOOK
AU  - Boughey,A.S.
TI  - The causes of variation in the incidence of cotton leaf curl in the Sudan Gezira
AV  - PAM SB608.C6B62 
PY  - 1947///
CY  - Kew, Surrey
PB  - The Imperial Mycological Institute
KW  - Xanchomous malvacearum
ER  -