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Wheat fly-free date is set for a reason

机译:设置小麦无蝇日期是有原因的

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IN years past, agronomists consistently reminded wheat growers of the Hessian fly-free date. Today, not nearly as much fuss is made over this fall date. However, University of Illinois agronomist Steve Ebelhar says that doesn't make it any less important. In fact, it might be more important these days than ever before. "In the past 20 years, we've noticed a strong correlation between the fly-free date and the instances of barley yellow dwarf virus," Ebelhar adds. Barley yellow dwarf virus is typically vectored by aphid feeding. It just so happens the fly-free date corresponds fairly well with an aphid-free date.
机译:在过去的几年中,农学家始终提醒小麦种植者黑森州的无蝇日期。如今,在这个秋天的日子里,大惊小怪。但是,伊利诺伊大学农艺师史蒂夫·埃伯哈尔(Steve Ebelhar)表示,这并不重要。实际上,这几天可能比以往任何时候都重要。 Ebelhar补充说:“在过去的20年中,我们注意到无蝇日期与大麦黄矮病毒实例之间有很强的相关性。”大麦黄矮病毒通常是通过蚜虫饲养来传播的。碰巧的是,无蝇日期与无蚜虫日期相当吻合。

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