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United States Department of Agriculture

Agricultural Research Service

Title: 'medark', Semi-Dwarf Medium-Grain Rice Cultivar

Authors
item Gibbons, J - UA RREC
item Moldenhauer, K - UA RREC
item Gravois, K - CA RICE RES STN
item Lee, F - UA RREC
item Bernhardt, J - UA RREC
item Meullenet, J - UAF
item Bryant, Rolfe
item Norman, R - UAF
item Cartwright, R - UAF
item Anders, M - UA RREC
item Taylor, K - UA RREC
item Bulloch, J - UA RREC
item Blocker, M - UA RREC

Submitted to: Arkansas Agricultural Experiment Station Research Series
Publication Type: Experiment Station
Publication Acceptance Date: June 17, 2005
Publication Date: August 9, 2005
Citation: Gibbons, J.W., Moldenhauer, K.A., Gravois, K., Lee, F.N., Bernhardt, J.L., Meullenet, J.F., Bryant, R.J., Norman, R.J., Cartwright, R., Anders, M., Taylor, K., Bulloch, J., Blocker, M.M. 2005. 'Medark', semi-dwarf medium-grain rice cultivar. In: Norman, R.J., Meullenet, J.-F, Moldenhauer, K.A.K., editors. B.R. Wells Rice Research Studies 2004, Arkansas Agricultural Experiment Station Research Series 529. p. 44-48. Available: http://www.uark.edu/depts/agripub/Publications/researchseries/

Interpretive Summary: The short grain rice, Bengal, grown in Arkansas is susceptible to blast, brown spot and straighthead which reduces yield. The new semi-dwarf medium-grain rice, Medark, has a greater resistance to the above problems while maintaining the yield and grain quality of Bengal. The new cultivar will be of great benefits to farmers by increasing their yield and thus their profit.

Technical Abstract: Medark is a semi-dwarf medium-grain rice cultivar originating from the cross Bengal/Short Rico made at the Rice Research and Extension Center in 1993. It has been tested in the Arkansas Rice Performance Trials and the Uniform Rice Regional Nursery for four years. It has grain yield, height, grain quality and lodging resistance similar to Bengal. The major advantages of Medark are its improved resistance to blast, brown spot and straighthead. The major disadvantage of Medark is susceptibility to panicle blight.

Last Modified: 4/19/2014
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