Abo Dahab, Abd El- Meguid Mabrouk Abd El-Meguid. Studies on the development of hybrid onion (Allium cepa L.) [microform]/ دراسات على إنتاج البصل الهجين. Abd El- Meguid mabrouk Abd El-Meguid Abo Dahab. - 2001. - 176, 11 Leaves : ill. ; 30 cm. Thesis (M.S.)-- Cairo University, 2001. Includes bibliographical references (leaves ) Microfiche.Cairo, Egypt :ASUNET, 4 microfiches:negative. Summary in Arabic. Subjects--Topical Terms: Onions--Hybrids.Onions--Varieties.