First Report of Phytoplasma (16SrI) Associated with Yellow Decline Disease of Royal Palms [Roystonea regia (Kunth) OF Cook] in Malaysia

被引：6

作者：

Naderali, Neda ^{[1
]}

Vadamalai, Ganesan ^{[1
,2
]}

Nejat, Naghmeh ^{[1
]}

Ling, Kong L. ^{[1
]}

机构：

[1] Univ Putra Malaysia, Inst Trop Agr, Serdang 43400, Selangor Darule, Malaysia

[2] Univ Putra Malaysia, Dept Plant Protect, Fac Agr, Serdang 43400, Selangor Darul, Malaysia

来源：

JOURNAL OF PHYTOPATHOLOGY | 2015年 / 163卷 / 02期

关键词：

Candidatus Phytoplasma asteris; Malaysia; Royal Palm yellow decline; Roystonea regia; RIBOSOMAL-RNA; ASTER YELLOWS; PCR; PLANTS;

D O I：

10.1111/jph.12262

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Royal Palms (Roystonea regia) with symptoms such as severe chlorosis, stunting, collapse of older fronds and general decline were observed in the state of Selangor, Malaysia. Using polymerase chain reaction (PCR) amplification with phytoplasma universal primer pair P1/P7 followed by R16F2N/R16R2 and fU5/rU3 as nested PCR primer pairs, all symptomatic plants tested positively for phytoplasma. Results of phylogenetic and virtual RFLP analysis of the 16S rRNA gene sequences revealed that the phytoplasma associated with Royal Palm yellow decline (RYD) was an isolate of Candidatus Phytoplasma asteris' belonging to a new 16SrI-subgroup. These results show that Roystonea regia is a new host for the aster yellows phytoplasma (16SrI). This is the first report on the presence of 16SrI phytoplasma on Royal Palm trees in Malaysia.

引用

页码：133 / 137

页数：5

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