在枸头橙上接种柑桔花叶病毒（ＣｉＭＶ），以后抽发的春梢幼嫩期表现黄化症状，随着春梢叶片的伸展产生花叶症状。而在枸头橙上接种类似病毒温州蜜柑萎缩病毒（ＳＤＶ），以后抽发的春梢表现正常。故认为枸头橙是ＣｉＭＶ的一种新的鉴别寄主，可以区分开ＣｉＭＶ和ＳＤＶ。 Citrus mosaic virus (CiMV) was inoculated on Citrus aurantiacus, and the springy shoots developed later showed yellow symptom at the tender stage, with the mosaic symptom occurring as the spring shoots were extended. While in the head orange orange wight virus similar to the vaccination of Wenzhou (SDV), the spring shoot after the performance of normal. Therefore, it is considered that head citrus is a new discriminating host of CiMV, which can distinguish CiMV and SDV.