Tar spot requires seven hours of wetness on a corn leaf to take hold
The Lucknow Sentinel

ARVA – Tar spot can be a big black hole for potential corn yields, in the neighbourhood of 60 bushels per acre. Read More

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Local News, News, Agriculture, Farming, Ontario Ministry of Agriculture Food and Rural Affairs, Southwestern Ontario
Tar spot requires seven hours of wetness on a corn leaf to take hold
https://www.lucknowsentinel.com/crops/tar-spot-requires-seven-hours-of-wetness-…