Publication Date
1989
Description
Oklahoma has a continental climate with cold winters and a late spring or early-summer rainfall peak. Kneebone (1959) found little justification for attempts to use native legumes for revegetation purposes in western Oklahoma rangelands. Denman et al. (1961) evaluated 54 genera, 216 species and 1,366 entries of legumes in Stillwater, Oklahoma between 1951 and 1959. They concluded that only alfalfa and some vetches (Vicia spp.) had any forage potential. Most clovers and medics failed to survive the winter cold.
Subclover is largely but not wholly Mediterranean in its distribution (Morley, 1961) and has been grown on limited hectarages in the southeartern US and the Texas gulf coast region. Donald (1960) pointed out that genetic variation in subclover collected from fringe areas of the Mediterranean basin broadened the area of adaptability for many cultivars but few recent studies in the Southern Great Plains have evaluated any of the many new cultivars commercially available.
Citation
Christiansen, S and Svejcar, T, "Evaluation of Annual Medics and Subclovers in Oklahoma" (2025). IGC Proceedings (1989-2023). 27.
https://uknowledge.uky.edu/igc/1989/session3/27
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Evaluation of Annual Medics and Subclovers in Oklahoma
Oklahoma has a continental climate with cold winters and a late spring or early-summer rainfall peak. Kneebone (1959) found little justification for attempts to use native legumes for revegetation purposes in western Oklahoma rangelands. Denman et al. (1961) evaluated 54 genera, 216 species and 1,366 entries of legumes in Stillwater, Oklahoma between 1951 and 1959. They concluded that only alfalfa and some vetches (Vicia spp.) had any forage potential. Most clovers and medics failed to survive the winter cold.
Subclover is largely but not wholly Mediterranean in its distribution (Morley, 1961) and has been grown on limited hectarages in the southeartern US and the Texas gulf coast region. Donald (1960) pointed out that genetic variation in subclover collected from fringe areas of the Mediterranean basin broadened the area of adaptability for many cultivars but few recent studies in the Southern Great Plains have evaluated any of the many new cultivars commercially available.