Alfalfa Variety Trial on Heavy Clay Soil in Graham County Arizona, 2000

Abstract

Twenty four alfalfa varieties with fall dormancy ratings of 8 or 9 were tested in a replicated small plot trial on a heavy clay loam soil on the Safford Agricultural Center. This was the fifth and final year of the study. Prestige was the highest yielding variety in 2000, but that still left it in sixth place behind Cuf 101 and WL 91-224F, which averaged 8.25 tons per acre over the five years of the study. Heat units with thresholds of 77° F and 41° F are included for each cutting in the study and percent of final stand count are recorded.