Abstract

Lablab [Lablab purpureus (L.) Sweet], which is one of the most ancient crops among cultivated plants, is a relatively unknown crop in the United States. Lablab is a major source of protein in the human diet in many parts of the world. Even though lablab is a potential alternative food and feed crop in other areas of the United States, it is expected to produce seed in southern United States (Florida, Georgia, and Texas). However, there is a lack of information about production potential of lablab in Virginia and adjoining states. We report the results of a replicated field study that was conducted for 2 years with 17 lablab lines in Virginia. The seed yield varied from 559 to 1678, with a mean yield of 1012 kg·ha−1. The seed protein concentration varied from 20.6 to 28.8, with a mean concentration of 25.4%. Lablab seed contained small amounts of oil (0.54% to 1.13%). Total sugars in lablab seed meal varied from 4.2% to 10.1%. Based on seed yields from other parts of the world and concentrations of protein, oil, and total sugars reported in literature regarding other food legumes, we concluded that lablab is a potential alternative summer crop in Virginia and other mid-Atlantic states.

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