Citrus cachexia viroid(CCaVd) was detected from hop stunt viroid(HSVd) infected citrus collected from Gouzhou by RT-PCR with a discrimination primer pair.

Detection and Analysis of Genomic RNA Sequence of Citrus exocortis viroid from Hubei Province;

Detection of Citrus exocortis viroid by RT-PCR;

Citrus exocortis desease is caused by Citrus exocortis viroid(CEVd).

Detection of Citrus tristeza virus using conventional and fluorescence quantitative RT-PCR assays;

Study of cross protection of citrus tristeza viruse disease on Bendizao mandarin (Citrus succosa);

Distribution of Citrus tristeza virus among three hosts in different tissues;