ippaPhytoplasmas associated with dia of coconut in Malaysia: phylogenetic groups and host plant
species
期刊名称: Plant Pathologymanual
one time作者: N. Nejat,K. Sijam,S. N. A. Abdullah,G. Vadamalai,M. Dickinson
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年份: 2010年
questsoftware期号: 第6期
关键词: Bermudagrass;Cocos nucifera;Malaysia;oilpalm;periwinkle;phytoplasma
摘要:Coconut palm (Cocos nucifera), oil palm (Elaeis guineensis), Bermudagrass (Cynodon dactylon) and Madagascar periwinkle (Catharanthus rous) with symptoms indicative of phytoplasma dia were collected from different locations in Malaysia. PCR assays employing phytoplasma universal rRNA gene primers P1/P7 alone or P1/P7 followed by R16F2n/R16R2 detected phytoplasmas成都美容美发培训学校
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in eight out of 20 Malayan Red Dwarf (MRD), nine out of 12 Malayan Yellow Dwarf (MYD) and 12 out of 12 Malayan Tall (MT) coconut palms displaying coconut yellow decline symptoms. Positive detections were also obtained from six out of six oil
palm edlings showing symptoms of yellowing and necrosis, from 10 out of 10 Bermudagrass samples with white leaf symptoms, and from eight out of eight periwinkle plants showing phyllody, virescence, little leaf,
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