日本无筋四季豆是一种生长期极短的改良蔬菜新品种,自1989年从日本引进并推广以来,深受各地农户欢迎。该品种植株矮生,株高30—40厘米,开白花,荚长15厘米左右,种子较小,千粒重250克左右,一般亩用种2—2.5公斤。该品种属高产品种,一般亩产鲜嫩荚3000—3500公斤,豆荚青绿色,肉质肥厚细嫩,味道脆嫩鲜甜。生长期短,从种到收仅需40天; Japan non-ribbed green beans is a very short period of growth improved new varieties of vegetables, since its introduction and promotion from Japan in 1989, welcomed by farmers all over. The varieties of dwarf plants, plant height of 30-40 cm, open white flowers, pods 15 cm long, smaller seeds, grain weight of about 250 grams, with a general type of 2-2.5 kg of mu. The varieties are high-yielding varieties, the general mu produce fresh pods 3000-3500 kg, green pods, tender and delicate meat, crisp and sweet taste. Growth period is short, from species to harvest only 40 days;