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