Genus Nicotiana F1 hybrid and use of same

A composition comprising an extract of an F1 hybrid plant or a portion thereof,

• wherein the F1 hybrid plant between Nicotiana umbratica and Nicotiana kawakamii, or a portion thereof, comprises at least one of the characteristics selected from the group consisting of:
• a ratio (%) of height of a lowermost flower to grass height increases as compared to Nicotiana umbratica;
• a number of flowers per plant is smaller than that of Nicotiana umbratica;
• a leaf length or a leaf width of a largest leaf is longer than that of Nicotiana umbratica, or both of a leaf length and a leaf width of a largest leaf are longer than those of Nicotiana umbratica;
• a number of branches decreases as compared to the number of branches of Nicotiana umbratica;
• a yield of an above-ground part increases as compared to Nicotiana umbratica;
• a yield of dried leaves increases as compared to Nicotiana umbratica;
• insect resistance against a defoliator pest is improved as compared to Nicotiana kawakamii;
• insect resistance against a defoliator pest is improved as compared to both of Nicotiana kawakamii and Nicotiana umbratica;
• insect resistance against a stored-tobacco pest is improved as compared to Nicotiana kawakamii;
• and
• insect resistance against a stored-tobacco pest is improved as compared to both of Nicotiana kawakamii and Nicotiana umbratica, and
• wherein said extract comprises a component that contributes to characteristic flavor of said F1 hybrid plant and the concentration of said component in said extract is greater than for an extract under the same conditions from Nicotiana umbratica, and the component is 1-isopropyl-5- (hydroxymethyl)-8-methyltricyclo[4.4.0.02,8]dec-4-ene.