| 林乾,罗怿,王小柯,杨雯,李金强,李文云.贵州省柑橘黄龙病流行现状调查及成因分析[J].中国南方果树,2026,55(4):17-22 |
| 贵州省柑橘黄龙病流行现状调查及成因分析 |
| Guizhou; Citrus; Huanglongbing (HLB); Tree age; Altitude |
| 投稿时间：2026-07-14 修订日期：2026-07-23 |
| DOI： |
| 中文关键词: 贵州 柑橘 黄龙病 树龄 海拔 |
| 英文关键词:Investigation on the Epidemic Status and Causes Analysis of Citrus Huanglongbing in Guizhou Province |
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| 中文摘要: |
| 为掌握柑橘黄龙病在贵州省的发生流行及防控现状，2023—2024年在全省9个市（州）29个县（市/区）72个村采集疑似黄龙病叶片混合样品290份，采用TR-PCDR技术检测黄龙病菌，并对影响因素进行分析。结果显示，108份混合样品检出阳性，疑似样品阳性检出率为37.24%，阳性样品分布于15个县（市/区）。黄龙病阳性检出率在不同市州、县域、树龄和海拔区间存在较大差异。除铜仁市外，贵州省其余8个市（州）均有黄龙病检出，其中黔南州、黔东南州、黔西南州和安顺市南部检出率较高，海拔600 m以下区域总体检出风险相对较高。综上，贵州柑橘黄龙病具有由南向北扩散的趋势，整体呈现“南重北轻”、低海拔区域发生风险高于高海拔区域的空间分布特征。当前贵州柑橘黄龙病防控形势较为严峻，急需进一步加强无病苗木监管、媒介昆虫监测以及病株清除等综合防控措施。 |
| 英文摘要: |
| To investigate the prevalence, epidemics and prevention status of citrus Huanglongbing (HLB) in Guizhou Province, a total of 290 mixed leaf samples suspected of HLB were collected from 72 administrative villages across 29 counties (county-level cities/districts) covering all 9 prefecture-level cities and autonomous prefectures of Guizhou during 2023-2024. TR-PCDR technology was adopted to detect Candidatus Liberibacter asiaticus, and the influencing factors of the disease were analyzed. The results showed that 108 samples tested positive, with an overall positive detection rate of 37.24% among suspected samples, and positive samples were distributed in 15 counties (county-level cities/districts).The positive detection rate of HLB varied greatly among different prefectures, counties, tree ages and altitude ranges. HLB pathogens were detected in 8 out of 9 prefecture-level regions in Guizhou, except Tongren City. High detection rates were observed in Qiannan Buyi and Miao Autonomous Prefecture, Qiandongnan Miao and Dong Autonomous Prefecture, Qianxinan Buyi and Miao Autonomous Prefecture and southern Anshun City. Areas with an altitude below 600 m exhibited a relatively higher overall risk of HLB infection. In conclusion, citrus HLB in Guizhou shows a spreading trend from south to north, presenting a spatial distribution pattern of "severe in the south and mild in the north", with lower-altitude areas facing higher disease risks than high-altitude zones. At present, the prevention and control situation of citrus HLB in Guizhou remains severe. It is urgent to strengthen integrated management measures including supervision of disease-free nursery stock, monitoring of vector insects, and eradication of infected trees. |
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