Nodules of three legume species, Sopora alopecuroides, Astragaous sp. and Vicia costata in Xinjiang are studied on their morphological characteristics with light microscopy and EM.

• 对生长在新疆干旱地区的豆科植物苦豆子(Sopara alopecuroides)、新疆黄芪(Astragalus sp.；) 和新疆野豌豆(Vicia costata)根瘤的形态和结构进行了光学显微镜和电子显微镜观察。