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深圳蜜柚黄龙病调查及应用 PCR 技术检测研究 被引量:1

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摘要 采用病害田间诊断与聚合酶链式反应(PCR)检测技术相结合的方法,对深圳西乡镇蜜柚场的蜜柚黄化树进行诊断。结果从该场蜜柚黄化树表现为柑桔黄龙病特异症状(叶片呈斑驳型)的病树中,检出黄龙病病原,发病率为2.89%,而且在表现为非特异性症状的病树中也检出黄龙病病原,发病率为6.18%。利用上述方法可从田间症状复杂的黄化树中准确地诊断出黄龙病,准确地区分黄龙病树与生理病树,这在国内尚属首次。
出处 《广东农业科学》 CAS CSCD 1997年第4期33-35,共3页 Guangdong Agricultural Sciences
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