Soybean aphid look-alikes; don't be confused by alternatives
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2006-06-12
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O'Neal, Matthew
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In last week's newsletter, we reported finding low densities of soybean aphids during late May in Story County. Since then, aphids also have been found in northeastern Iowa, near Decorah, by Brian Lang, extension field crops specialist. It is too early to tell if these early reports will develop into populations that will increase to the economic threshold (80 percent of plants infested and the average number per plant at 250 and rising).
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Sun Jan 01 00:00:00 UTC 2006