
Poinsettia don’t have many problems, note OMAFRA floriculture specialists Dr. Sarah Jandricic and Dr. Chevonne Dayboll, but when issues arise, they can hit a crop fast and hard.
Key issues that growers should look for include cutting rot and root rot, whitefly, Lewis mite, botrytis stem rot and nutritional issues.
For a month-by-month guide on when and how to derail these challenges, see this ONFloriculture post
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