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首页> 外文期刊>The Corn And Soybean Digest >Guard Against SCN
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Guard Against SCN

机译：防范SCN

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摘要

This pesky pest can cost you 55-60 dollar an acre. While soybean producers warily eye the arrival of Asian soybean rust in some U.S. fields this spring, pest control specialists want to remind growers to keep their guard up against a more pervasive problem: soybean cyst nematodes (SCN). "I can't think of an easier thing for growers to do to recover yield loss," says Greg Tylka, Iowa State University (ISU) plant pathologist. "We're talking an additional 55-60 dollar an acre they could pocket." Tylka says 10 bu./acre yield losses to SCN are common and often still escape growers' notice, even though the pest has been a known factor for 20-plus years.He attributes this to several reasons. Damage by the small parasitic worm occurs in the plant roots, so there are initially no aboveground symptoms to detect. The symptoms are also similar to numerous disease problems, weather related stresses and even compaction, so the problem goes undiagnosed or is misdiamosed.
机译：这种讨厌的害虫每英亩可能花费您55-60美元。尽管大豆生产者在今年春季警惕亚洲一些国家的大豆锈病的到来，但害虫防治专家希望提醒种植者保持警惕，以防更普遍的问题：大豆孢囊线虫（SCN）。爱荷华州立大学（ISU）植物病理学家格雷格·泰尔卡（Greg Tylka）说：“我想种植者能更轻松地恢复产量损失。” “我们说的是每英亩可以增加55-60美元的收入。” Tylka说，SCN造成10英亩/英亩的产量损失很普遍，尽管害虫已经是20多年的已知因素，但仍然经常逃避种植者的注意。他将其归因于几个原因。小寄生虫的损害发生在植物的根部，因此最初没有地上的症状可检测。症状也与许多疾病问题，与天气相关的压力甚至压实相似，因​​此该问题无法诊断或误诊。

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