秦豆4号绿豆系陕西农垦科技教育中心1979年利用农家种安康绿豆的优良单株系选而成中早熟品种。经1985年预试,1986～1988年的区试和生产示范,表现抗病,丰产、优质、适应性广等特点,1989年元月经省品种审定委员会审定通过定名。一、特征特性株型直立紧凑,幼茎紫色,主茎节12个,株高50厘米左右,比亲本矮10～15厘 Qin bean No. 4 mung bean Shaanxi Nongken Science and Technology Education Center In 1979 the use of farm species of Ankang Mung bean fine lines selected and middle-early maturing varieties. After the pre-test in 1985 and the zone test and production demonstration from 1986 to 1988, it showed resistance, high yield, high quality and wide adaptability. In January 1989, the provincial Commission for Species Variety Approval passed the naming. First, the characteristics of Straight upright compact, young stem purple, the main stem section 12, about 50 cm in height, shorter than the parent 10 to 15%