Registration of Dibannee, a newly released linseed variety for Bale Highlands, Ethiopia

Dibanee (CI-1525x CDC 1747/21), a medium height brown seed variety of linseed was selected anddeveloped by Sinana Agricultural Research Center, eastern Oromia, Ethiopia. The variety was released in 2009 for Bale highlands and similar agro-ecologies. This variety was selected from the variety trial tested together with 15 other test genotypes and checks (local cultivar and the previously released variety for comparison) at 6 environments and two locations (Sinana and Lower dinsho) in the highlands of Bale Eastern Oromia, Ethiopia for three consecutive years (2005/06 to 2007/08). After the trial had been conducted for the above three consecutive years, this variety was selected and verified for one more season in order to see its performance across locations. Finally, due to its superior performance, dibannee was selected and verified at four locations during bona 2008/09 cropping season and thereby released for production. This variety is characterized by brown seed color, having high yield with yield advantage of 11.42 and 19.80% over the standard and local checks respectively. It is stable, best adapted, having large number of capsules per plant, thousand seed weight, and oil content, moderately resistant to powdery mildew, pasmo and wilt.     Key words: Dibannee, variety registration, oil content