e-GRO Alert: Coleus Downy Mildew Update

March 10, 2016
Written by Dr. Nora Catlin, Cornell Cooperative Extension/Suffolk County
March 10, 2016 — Coleus downy mildew can cause leaf spots, necrotic lesions, leaf twisting, leaf drop, and/or stunt. Management options include using less susceptible cultivars, good air movement, low humidity, and fungicides.

Read now: e-GRO Alert 5.13 Black Root Rot on Pansy.


e-GRO is a collaborative effort of floriculture extension specialists who focus on providing greenhouse production and diagnostic information to growers.

For more e-GRO Alerts, visit the e-GRO Alert website.

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