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自2004年11月报告亚洲大豆薯层锈病在美国大陆出现以来,该病害从未在爱荷华州的田间鉴定出来过。然而,目前该病害最终确定出
The disease has never been identified in Iowa fields since it was reported in November 2004 in the continental United States. However, the disease is now finalized