Growers need to be alert to late-season corn diseases such as stalk rots, ear rots and foliar diseases such as Goss's wilt, says an expert at Pioneer Hi-Bred, a DuPont business. Detecting late-season corn diseases as soon as possible, assessing their potential impact and harvesting early in some situations can help preserve grain quality.
"The warm, humid weather has primed the pump for fungal diseases in the later part of this growing season," said Scott Heuchelin, Pioneer research scientist, field pathology.
"When the crop reaches physical maturity, it stops actively growing and uses its energy reserves to fill the ear," he said. "During this time, root and crown infections, established earlier in the year during saturated soil conditions, can take off and aggressively infect the plant's crown and stalk tissues."
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