轮作及农艺措施对减轻向日葵列当危害的影响
白雨,韩雪莹,董海洋,乌云苏都,李冰圳,陈贵林

Effects of Rotation and Agronomic Measures on Reducing the Damage of Orobanche cumana
Yu Bai,Xueying Han,Haiyang Dong,Sudu Wuyun,Bingzhen Li,Guilin Chen
图2 田间调查列当寄生对向日葵花盘直径的影响
Fig.2 The field survey shows the effects of O.cumana on the diameter of the disk