adj.开始呈现绿色的，淡绿色的，带绿的

virescent strain → 芽黄品系
virescent gene → 芽黄基因
Virescent Mutation → 芽黄突变
Virescent white leaf → 转绿型白叶
Virescent sucking seedling → 绿化乳苗
Spray On Soft Virescent → 喷上柔和淡绿色
virescent transferred lines → 芽黄基因转育系
virescent indicative character → 芽黄指示性状