![]() Even without the pod, the true seed is large (for a legume) there are only 28,000 seeds per pound. The “seed” used to establish this crop is, in fact, a pod which contains a single seed. ![]() ![]() Sainfoin grows taller than alfalfa, its stem is hollow, there are many leaflets (like a vetch) and its flowers, which are pink, are borne on a raceme. Tests show that it will not tolerate saline soils and that it is not as winterhardy as the locally-recommended cultivars of alfalfa. It yields best on deep, well-drained soils, and will not withstand wet soils or high water tables. Shoshone Sainfoin is deep-rooted and very drought-resistant, provided the annual rainfall is 12 inches or over. The variety “Shoshone Sainfoin” was named in honor of Chief Washakie of the Eastern Shoshone Tribe. Shoshone was jointly released in 2005 by the College of Agriculture, Agricultural Experiment Stations at the University of Wyoming and Montana State University, and by the United States Department of Agriculture, Natural Resources Conservation Service at Bridger, MT. It expressed a higher level of tolerance to the parasite than ‘Remont’ sainfoin by having greater shoot/root weight and lower plant mortality. Shoshone is the preferred variety when sugar beets or other root crops are included in an irrigated crop rotation. It has good drought tolerance, winter hardiness, and is also resistant to alfalfa stem nematode. It was developed by intercrossing the surviving plants remaining in an irrigated sainfoin variety trial infested with the Northern Root-knot nematode in southeastern Wyoming. Shoshone Sainfoin (Onobrychis viciifolia) was selected for it’s tolerance of northern root-knot nematode.
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