“三尺绿豇豆”(冀豇一号)是河北省农林科学院蔬菜花卉研究所通过品种间杂交选育而成。一、特征特性:属蔓生,蔓长2米以上。苗期早发,生长势中等,侧枝少,花紫色蝶形。荚长80～100厘米,最长110厘米,单荚重40～50克。种子肾形,有黑红两种,千粒重160克。早熟,露地直播60余天收嫩荚,比之豇28—2早熟7～10天,采用地膜覆盖或育苗移栽可提早上市。一般比之豇28—2亩增产30%以上,在西北、东北地区增产50%以上。新疆一般亩产1750～2000公斤。嫩荚深绿,果肉细密耐老 “Three feet of green cowpea ” (Ji cowpea) is a vegetable and flower Institute of Hebei Academy of Agriculture and Forestry by breeding between varieties. First, the characteristics and characteristics: is a sprawling, vine length 2 meters or more. Seedling early hair growth potential, less collateral, flowers purple butterfly. Pods 80 to 100 cm long, the longest 110 cm, single pod weight 40 to 50 grams. Kidney-shaped seeds, there are two black and red, grain weight 160 grams. Precocious, live broadcast live more than 60 days tender pods, precocious than cowpea 28-2 7 to 10 days, the use of plastic film or seedling transplanting can be listed earlier. Generally 28-2 mu more than the output of more than 30% increase in the Northwest, Northeast more than 50% increase. Xinjiang generally 1750 ~ 2000 kg per mu. Tender pods dark green, flesh minute anti-aging