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Humid, wet conditions increase risk for foliar diseases in soybeans
date:Aug 01, 2013
e pronounced on lower leaf surfaces, but they also develop on upper leaf surfaces. Numerous spots cause leaves to yellow and drop off. On trifoliate leaves, the disease develops numerous, irregular, tan lesions that later turn dark brown. Defoliation of severely diseased trifoliate leaves is common during wet seasons and begins at the bottom of the plant and moves to the top. This disease can cause economic losses if left untreated.

When scouting, keep in mind that river bottoms, low areas and

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