The investigation showed that stem-pitting Citrus tristeza virus(CTV)occurred commonly in citrus production areas in several varieties of Hunan Province.Accurate detection of CTV strains was performed by p23/PCR metho...
Total RNA was isolated from phloem of young shoots and retro-transcripted to cDNA by RT-PCR(Reverse Transcriptase-Polymerase Chain Reaction) with specific primer pair of CVd-Ⅲ (citrus viroid-Ⅲ), the results of molec...