TY - GEN AU - Abdelmegiud Mabrouk Abd El megiud Abo Dahab AU - Ahmed Abdelmoneim Hassan , AU - Fathi Abdelgaber Ahmed , AU - Khaled Elsayed Ali Abdelati , TI - Studies on male sterility , varietal stability , and genetic improvement in some onion cultivars / PY - 2006/// CY - Cairo : PB - Abdelmegiud Mabrouk Abd El megiud Abo Dahab , KW - Allium cepa L.) KW - Male sterility KW - Onion KW - Onion improvement KW - Varietal stability N1 - Thesis (PH.D.) - Cairo University - Faculty Of Agriculture - Department Of Vegetable; Issued also as CD N2 - This investigation was carried out during 2001 to 2005 at El - Gemmeiza Research Station , El - Giza Research Station , and El - Fyoum and El - Giza GovernoratesIn cvBehairy Red , the average frequencies of male sterile plants was 00034The average frequencies of ms (q) and Ms (p) was 03695 and 06305 , respectivelyAverage frequency of S and N cytoplasm was 00222 and 09778 , respectively ER -