摘要

Mulberry yellow dwarf(MYD)disease is an quarantine disease and the causal agent is a phytoplasma.Two pairs of published universal primer,P1/P7 and Rm16F2/Rm16R1,based on the 16S-23S rDNA sequence of phytoplasma and total DNA extracted from infected mulberry tissues were employed for PCR and nested-P...

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