Breeding of a new burley variety Eyan 4 and its characteristics

A new male- sterile hybrid burley variety Eyan 4 was developed in 1995 and passed the national tobacco evaluation in Dec. 2004. The cured leaves are mainly tannish red or red, with moderate to strong luster,smooth or slightly wrinkled lamina, adequate body, loose structure and harmonious chemical components. The type of aroma belongs to full burley delicacy with pure after taste. The results of multi- location trials for several years showed that the average yield, value, price were 2342.40 kg/hm2, 12173.40 yuan /hm2 and 5.24 yuan /kg respectively, 2.9%, 5.8% and 2.54% higher than the control variety Eyan 1. Eyan 4 showed high resistance to TMV, resistance to black shank, moderate resistance to root- knot nematode.