Subbaiyan, M.(PhD)Tefera, Zewdu2018-06-272023-11-092018-06-272023-11-091996-06http://etd.aau.edu.et/handle/12345678/4245Tobacco is a complex chemical matrix, and annlY~ls or one or it, components. nicotine. is from the filct that varities arc inherently dim-.rent in their niclIilnl' c()ntlmts. Varities retain their relative rankings in nicotine content despite difrerences in wcathcr conditions and locations. III this study, nicotine content of virginia tobacco or I:thiopia has been investigated. 24 different samples were collected from Bilate and Shoa- Robit or Southern and Central parts of the country. Technique that has been applied to the analysis "I' ni;;(\(inf: in Virginia tobacco was a typical single-hcaln spectroscopy. Alit" data proce:;sing by Spce!.ronic Gencsys-2 was used te determine thc actual nicotine conlent in Virginia tobacl'o.enTobacco of EthiopiaThesis