1. Assunta B, Bojan D (2009) Phytoplasma and phytoplasma diseases: a review of recent research. Phytopathol Mediterr 48:355–378
2. Chen N, Liu YG, Qiu PP, Liu WH, Su WM, Zhu XP (2015) Molecular identification and sequence polymorphism of phytoplasma associated with jujube witches’ broom in Shandong province. Acta Phytopathologica Sinica 45(2):113–120(in Chinese)
3. Gu PW, An FQ, Wu YF, Yang D, Luo CP, Xiang JY, Yang Y (2005) Comparison and analysis of 16S rDNA fragment of phytoplasma of wheat blue dwarf. Acta Phytopathologica Sinica 35(5):403–409(in Chinese)
4. Gundersen DE, Lee IM (1996) Ultrasensitive detection of phytoplasmas by nested-PCR assays using two universal primer pairs. Phytopathol Mediterr 35:144–151
5. Jung HY, Sawayanagi T, Kakizawa S, Nishigawa H, Wei W, Oshima K, Miyata S, Ugaki M, Hibi T, Namba S (2003) ‘Candidatus phytoplasma ziziphi’, a novel phytoplasma taxon associated with jujube witches’-broom disease. Int J Syst Evol Microbiol 53:1037–1041