Category Archives: diseases

Fainting “Freedom Red”? Wilting “Whitestar”? Potential causes of Poinsettia collapse, solutions, and the importance of testing.

From now until mid-November is when you’ll most likely see plant losses in poinsettia due to severe wilting. These losses can be considerable: anywhere from 2-15% in Niagara operations in past years.  Pythium may be considered the most “likely” culprit in … Continue reading

Posted in biopesticides, diseases, Fungal diseases, Fungicides, Poinsettia, Pythium, Thielaviopsis | Tagged , , , , , | 1 Comment

Botrytis Bumming You Out?

With the intense period of rain we just had, and with MORE rain coming on Friday, it’s time to think about Botrytis control and prevention.  One of the most common and destructive diseases of greenhouse crops, outbreaks usually follow periods of … Continue reading

Posted in Botrytis, diseases, Fungal diseases, Fungicides, Greenhouse Environment, Sanitation, Ventilation | Tagged , , , , , | Leave a comment

How can we best protect Canada’s floriculture industry from pest threats? Have your opinion heard.

The CFIA is looking for input from growers by April 30th to help develop a national strategy for protecting Canada’s agriculture from new and emerging risks. Having YOUR voice heard is easy.  Read on to learn how to get involved.

Posted in diseases, insect pests, National strategies | Tagged , | Leave a comment

Floriculture IPM Check-in: What’s working in Points?

It’s that time of year again, where the struggle against pests of poinsettias is real.  So I thought it was time for a summary of what’s working in the industry, and what’s not. (Beware!  This is a longer post than … Continue reading

Posted in diseases, Fungicides, insect pests, Lewis mite, Pest control strategies, Poinsettia, Pythium, Whitefly | Tagged , , , , , , , , , , , , | Leave a comment

TSWV sysmptoms in mums

Sorry for the back-to-back posts, but I thought those of you growing chrysanthemums would be interested in this post from MSU on recognizing Tomato Spotted Wilt Virus symptoms in your crop. To confirm the presence of TSWV, samples can be sent … Continue reading

Posted in diseases, Plant viruses, Thrips | Tagged , , , , , , , , , , , , | Leave a comment

A Crime Against Callies: Floriculture IPM of Black Root Rot

Diagnosing a plant with vague symptoms like wilting, yellow and stunting is much like being a “plant detective”. First, you need to profile the “victim” — here,  Callibrachoa plugs.  Then, collect DNA evidence.  Finally, use knowledge and instinct to narrow down your “suspects”.  Only … Continue reading

Posted in Black root rot, diseases, fungus gnats | Tagged , , , , , , , , , , , , , , , | Leave a comment

Welcome to the new ONfloriculture Blog! Floriculture IPM info and more…

A Blog for Ontario Greenhouse Floriculture Growers Welcome to the very first posting for the new ONfloriculture blog! With regular contriubtions from OMAFRA Floriculture Specialists, the goal of this blog is to provide Ontario greenhouse floriculture growers with timely, technical information to … Continue reading

Posted in diseases, insect pests | Tagged , , , , , , , , , | Leave a comment