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菜豆原产中、南美州。蔬菜栽培中专作鲜食豆荚之用的软菜种,其荚肉厚、纤维少,荚充分长大后仍柔软可食,学名,Phaseolus Vulgris L.Var.Chinesis。根据苏联Н·И·瓦维洛夫物种起源理论认为我国是软荚菜豆种的次生基因中心。东北是我国软荚菜豆种资源最丰富的地区之一。吉林、黑龙江两省菜豆类型多,分布广;早、中、晚熟配套;矮生型,半蔓性型和蔓性型均有;荚型多样化,有圆棍
Bean origin, South America. Vegetable cultivation of fresh pods used in soft-shelled vegetables, its pods fleshy, less fiber, pods fully grown and still edible, Scientific name, Phaseolus Vulgris L. Var. Chinesis. According to the Soviet Union Н · И · Vavilov theory of origin of species that our country is the second gene center of soft bean varieties. Northeast is one of the most abundant areas of soft bean species in China. Jilin and Heilongjiang provinces have many bean types and are widely distributed; early, middle and late maturing facilities are available; dwarf, semi-tragopan and tragopan are both available; pods are diversified with round sticks