How Downy Mildew Spores Are Monitored | MSU Extension Vegetables

Spore traps are placed in the several sites in Michigan counties for the field season. Each trap operates by continuously pulling in air and all associated particles (spores, pollen, dust, etc.) and impacting them onto sticky tape on a reel inside the trap. The reel with the spores is brought back to the lab where downy mildew […]

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