Citrus exocortis viroid, citrus bent leaf viroid, hop stunt viroid and citrus dwarfing viroid were detected for the first time in Lao PDR. Samples were collected from citrus trees across southern Lao PDR for laboratory testing in Australia. RNA was extracted and amplified using quantitative reverse transcription polymerase chain reaction (qRT-PCR); viroid identities were confirmed by sequencing.

中文翻译：

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柑桔外皮类病毒、柑桔弯曲叶类病毒、啤酒花特技类病毒和柑桔矮化类病毒在老挝的首次报告

在老挝首次检测到柑桔外皮类病毒、柑桔弯曲叶类病毒、啤酒花特技类病毒和柑桔矮化类病毒。从老挝南部的柑橘树收集样品，用于澳大利亚的实验室测试。使用定量逆转录聚合酶链反应 (qRT-PCR) 提取和扩增 RNA；通过测序确认类病毒身份。