“花叶病”的英语？

花叶病是分布最广泛的甘蔗病害之一.Mosaic is one of the most widely distributed sugarcane diseases.病毒病常分为几大类,即花叶病, 黄化病, 斑驳或条斑.Viruses are often classified into broad categories as mosaics , yellows, mottles, and streaks.玉米矮花叶病是世界普遍发生危害严重的...