@article {126501,
	title = {Mution breeding for early blight resistance in potato (Solanum tuberosum l)},
	journal = {J.Agric.Sci.Mansoura Univ.},
	volume = {34},
	year = {2009},
	pages = {5699-5709},
	author = {M. A. Badawi and S.S.Taha and EL--Hamada.R.I.}
}
