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Sudden Death Syndrome
(SDS) is a fungal disease. It occurs after flowering, most often after the pod-fill
stage. When scouting, pay special attention to early planted fields and fields
that are flat, fertile and expected to have high yields. SDS symptoms are fairly
easy to identify. Leaves on infected plants first have scattered yellow or white
spots between leaf veins. These spots start to die and enlarge to form brown
streaks between the veins (interveinal necrosis). Only mid-vein and major
lateral veins remain green. Eventually, infected leaves drop but petioles remain
on the stem.
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