Journal Article phytoplasma molecular detection molecular identification 16SrI-B subgroup 16SrII group 16SrII-V subgroup 16SrXXXII group RNA, Ribosomal, 16S Alocasia macrorrhiza Areca catechu Areca catechu L. Areca palm velarivirus 1 Areca palm yellow leaf phytoplasma Bacterial Proteins Candidatus Phytoplasma asteris Carica papaya Chinaberry (Melia azedarach) Cyanthillium cinereum witches’-broom disease DNA, Bacterial Emilia sonchifolia witches’-broom disease Ipomoea obscura witches’-broom Melochia corchorifolia witches’-broom Pericampylus glaucus witches’-broom disease Praxelis clematidea Tephrosia purpurea witches’-broom disease Trema tomentosa witches’-broom disease Waltheria indica virescence disease chlorotic leaf disease classification and identification