梨火疫病在中国的大部分地区适生，在有适宜寄主分布的地区，就可能严重发生。

Fire blight can survive in the majority part in China and might blast under suitable host plants and environmental conditions.

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利用本实验室自行设计的梨火疫病菌特异性引物REA-FEA，再次验证了免疫吸附-PCR技术的灵敏性和专化性，得到了同样的结果。

Using the specific primers REA-FEA designed in this work by ourselves, we proved the specificity and sensitivity of the immuno-capture-PCR method again. The same result has been achieved.

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梨火疫病菌的长距离传播主要靠不同地区间繁殖材料和水果的调运完成。

The long-distance spread of Erwinia amylovora mainly depend on the transfer of reproductive material and fruit among different areas.

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