1993年山海关蔬菜技术推广站引进青at80d种成功后，现已基本普及全区。据调查，青直80具有抗病、高产、色青、荚长、质脆、不易老等特点，是补充目前秋淡季蔬菜的优良品种。青at80为早熟蔓生直豆，主蔓结果，生长势旺抗性强，豆荚青绿色，长80cm，最长可达lin，果向坚实、... In 1993 Shanhaiguan vegetable technology promotion station introduction of green at80d species success, is now basically universal. According to the survey, Green Straight 80 has the characteristics of disease resistance, high yield, color green, long pod, crisp, not easy to wait for the old, is to supplement the current varieties of autumn vegetables. Green at80 for the precocious vine straight bean, the main vine results, strong growth vigor, pod green, long 80cm, up to lin, fruit to solid, ...