Evaluation of Advanced Semi-Dwarf Medium-Grain and Long-Grain Breeding Lines at Three Arkansas Locations.

A controlled yield trial under the most representative soil and environmental conditions is critical for rice breeders to identify the ideal genotypes for potential varietal releases. To bridge the gap between the single location, 2 replication preliminary yield trials and the multi-state Cooperative Uniform Regional Rice Nursery (URRN) and/or the multi-location statewide Arkansas Rice Performance Trial (ARPT) which only accommodate a very limited number of entries, an advanced elite line yield trial (AYT) was initiated in 2015.The trial is conducted at the University of Arkansas System Division of Agriculture's Rice Research and Extension Center, (RREC), near Stuttgart, Ark.; the University of Arkansas System Division of Agriculture's Pine Tree Research Station, (PTRS), near Colt, Ark.; and the University of Arkansas System Division of Agriculture's Northeast Research and Extension Center, (NEREC), in Keiser, Ark.. This new trial will help us to select the best and the most uniform breeding lines for advancement into the URRN and/or ARPT trials, and ultimately will improve the quality of those yield trials. [ABSTRACT FROM AUTHOR]

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