Hybrids from the cross N. tabacum ‘Samsun NN’ × N. fragrans. (A) Shape of a hybrid plant that has grown to maturity and flowered. (B) Leaves of ‘Samsun NN’, a hybrid plant and N. fragrans (left to right). (C, D) Flowers of ‘Samsun NN’, a hybrid plant and N. fragrans (left to right). Scale bars = 5 cm (A, B) and 1 cm (C, D). (E) Confirmation of hybrid formation by RAPD analysis. M, DNA markers (λ/Hind III and φX174/Hae III). Lane 1, ‘Samsun NN’; lanes 2–6, hybrid plants; lane 7, N. fragrans.