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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, with disease pressure seeming especially high this year. Pythium … Continue reading
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
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.
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
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
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
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