The purpose of this study was to select and to recommend the optimum rice with the newly developed varieties at 11 agricultural technology service center(ATSC) in ChungBuk province. The newly bred 18 varieties were evaluated rice yields and quality, including rice taste at each districts from 2007 to 2009. In the overall consideration, Hopum-byeo was selected as the best rice variety in Chungju, Jincheon districts, and Samkwang-byeo was choosed as the best variety in Cheongju, Eumseong, Okcheon, and Yeongdong based on the yields of rice and mechanic rice tastes. Hopum-byeo and Samkwang-byeo was recommended in Cheongwon, Goesan, and Boeun districts. Unkwang-byeo was selected as optimum variety in Jecheon, and Danyang districts.

• Joung-Kwan Lee(Chungbuk Agricultural Research and Extension Service) Corresonding author
• Yun-Sang Lee(Chungbuk Agricultural Research and Extension Service)
• Sang-Yeong Lee(Chungbuk Agricultural Research and Extension Service)
• Chang-Woo Rho(Chungbuk Agricultural Research and Extension Service)
• Tae Yun(Chungbuk Agricultural Research and Extension Service)
• In-Gyu Song
• Sun-Hee Woo(College of Agriculture Life and Environment Science, Chungbuk National University)