O. Sativa, Common Sainfoin Care

Onobrychis viciifolia, also known as O. sativa or common sainfoin has been an important forage legume in temperate regions until the 1950s. During the Green Revolution it was replaced by high yielding alfalfa and clover species. Due to its anthelmintic properties the common sainfoin is a natural alternative to drugs to control nematode parasitism in the guts of small ruminants. This is the main reason why O. viciifolia came back to the scientific agenda during the last years.

Sainfoin (Onobrychis viciifolia) is an erect, perennial herbaceous legume. It can reach up to a height of 80 cm. Stems arise from basal buds on a branched root stock. Roots are deep tap-roots. Leaves are pinnate, bearing 5-6 pairs of obovate leaflets. Melliferous pink (seldom white) flowers are borne in erect conical racemes. Sainfoin flowers twice a year in spring and autumn. Flowering starts with the lower flowers and moves up the stem. Fruits are single seeded pods that bear spikes and can cling to the fur of animals and thus propagate the species. Due to its low competitiveness, weed infestation has to be controlled, especially in the first year. Normally fertilizer applications are not needed to reach satisfying yields. Nevertheless, slurry or phosphate applications can promote initial growth. Pests and diseases are almost never a serious problem

This plant is useful.

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