Category Archives: fungus gnats

Managing Million Bells, 2017 Updates

It’s that time of year again, when unrooted cuttings or rooted plug trays of Million Bells (Calibrachoa) are first arriving in the greenhouse.   When they go right, Calibrachoa are a relatively easy, staple spring crop.  However, when million bells go bad, they … Continue reading

Posted in Aphid control, Aphidius wasps, biopesticides, Black root rot, Calibrachoa, Fungicides, fungus gnats, Preventative treatments, Thielaviopsis, Thrips | Tagged , , , | Leave a comment

Can you safely mix nematodes and pesticides?

Entomopathogenic nematodes – used to control fungus gnats, shoreflies and thrips – are often a “gateway bio” into biocontrol use in greenhouses.  This is because not only are they effective and easy to use, but they’re generally compatible with insecticide … Continue reading

Posted in biological control, biopesticides, fungus gnats, IPM tools, Met52 insecticide, Natural enemy interactions, Nematodes, pesticides, Thrips | Tagged , , , , , , , | 1 Comment

Managing Million Bells

By Sarah Jandricic and Chevonne Carlow It’s that time of year again, when baskets of Million Bells (Calibrachoa) are going up in the greenhouse.  Here’s how to deal with and prevent some of their most common issues. From a nutritional … Continue reading

Posted in Aphid control, Aphids, Black root rot, Calibrachoa, fungus gnats, iron deficiency, Spring crops, Thielaviopsis | Tagged , , , , , , , , , , , , | 6 Comments

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

Spray technique affects nematode rates

Spraying nematodes in your greenhouse for fungus gnats, shoreflies, or thrips?  Then check out this article published in the January 2015 issue of Hort Matters (OMAFRA’s Horticultural newsletter): http://www.omafra.gov.on.ca/english/crops/hort/news/hortmatt/2015/01hrt15a2.htm Researchers realized that nematodes can “stick” to the inside of spray tanks, reducing … Continue reading

Posted in fungus gnats, Nematodes, Spray equipment, Thrips | Tagged , , , , , , , , , | Leave a comment