TY  - BOOK
AU  - El-Ashaal,Mohamed Saddik El-Sayed
TI  - Studies on onion purple blight in Egypt
PY  - 1993///
KW  - Onions
KW  - Diseases and pests
KW  - Planting time
N1  - Thesis (M.S.) -- Menofiya University, 1993; Includes bibliographical references (leaves 74-92); Microfiche; Cairo, Egypt; ASUNET; 2 microfiches : negative
ER  -