Dr. K.K.PatelDAVE VALAY DILIPKUMAR2017-05-162017-05-162012http://krishikosh.egranth.ac.in/handle/1/5810011203Tobacco (Nicotiana tabacum L.) is an important nonfood narcotic cash crop and a member of solanaceae family. The present investigation on tobacco comprised of 16 (4 females+12 males) parents and their 48 hybrids developed by using line x tester mating design. The experiment was laid out in randomized block design with three replications at Tobacco Research Station (TRS), Anand Agricultural University, Dharmaj, during kharif season 2011-12. Heterosis and combining ability analysis were carried out for ten characters viz; cured leaf yield per plant, days to flowering, number of leaves per plant, plant height, leaf length, leaf width, leaf thickness, days to maturity, nicotine content and total reducing sugar content.enGenetics & Plant BreedingAnalysisThesis