The sensitivity, specificity and application and expenses among the gold immunochromatography assay (CGIA), DIA (Dot Immunobinding Assay) and PCR assay have been compared.

• 本文比较了胶体金免疫层析测试、DIA（斑点免疫结合技术）与PCR三种检测柑橘溃疡病菌的常用方法的灵敏度、特异性及实际检测应用等方面的差异。