Browsing by Author "Frey, K.J."
Now showing 1 - 1 of 1
Results Per Page
Sort Options
Item Methods for Determining Natural Areas for Oat Varietal Recommendations(2007) Horner, T.W.; Frey, K.J.Substantial reduction of the variety-location interaction affecting genotypic progress resulted from proper subdivision of Iowa into subregions, following a procedure described herein. For example, optimum subdivision into four parts resulted in a reduction of 30%. Implications with respect to a breeding program were briefly discussed. The data involved 9 locations, 5 years and oat varieties previously selected for wide adaptability.