Agronomy, Vol. 5, Pages 491-505: Performance of Northwest Washington Heirloom Dry Bean Varieties in Organic Production

This two-year study compared nine northwest Washington dry bean (Phaseolus vulgaris L.) heirloom (H) varieties with 11 standard (S) commercial varieties in matching market classes using organic, non-irrigated production practices. Heirloom and standard varieties differed in days to harvest (DTH) (110 DTH and 113 DTH, respectively), while both days to harvest (113 DTH and 110 DTH) and yield (2268 kg∙ha−1 and 1625 kg∙ha−1) were greater in 2013 than in 2014. Varieties with the shortest DTH both years were "Bale" (H), "Coco" (H), "Decker" (H), "Ireland Creek Annie" (H and S), "Kring" (H) and "Rockwell" (H). Varieties that had the highest yield both years were "Eclipse" (S), "Lariat" (S) and "Youngquist Brown" (H). Only "Eclipse" (S) had the shortest cooking time both years, while "Rockwell" (H), "Silver Cloud" (S) and "Soldier" (S) had short cooking times in 2013, and "Orca" (S) and "Youngquist Brown" (H) had short cooking time in 2014. Varieties with the highest protein content both years were "Calypso" (S), "Coco" (S) and "Silver Cloud" (S). Further research should investigate yield of early maturing standard varieties, with a focus on color-patterned beans that are attractive for local markets.

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