Category Archives: imported cuttings

Christmas in July: tips for controlling whitefly in poinsettia. (Hint – start now!).

Poinsettias cuttings are here!   They may only in the greenhouse for a relatively short time, but they can have BIG problems compared to other crops.  Not the least of which is Bemisia whitefly: a pest that can be hard to control with natural enemies and can ALSO be resistant to pesticides.  So what’s a grower […]

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Posted in Bemisia whitefly, biological control, dipping cuttings, imported cuttings, Pest control strategies, Poinsettia, Preventative treatments, Registered pesticides, Whitefly | Tagged , , , , , , , , | 3 Comments

Mealybugs…on poinsettia??

Last year several consultants and I noticed something strange.  A number of greenhouses in Ontario had noticeable infestations of mealybug in their poinsettia crop.  This was the first time many in their 25+ year careers had seen this (e.g. see Mel Sawaya’s article … Continue reading

Posted in dipping cuttings, imported cuttings, Mealybug, Poinsettia | Tagged , , , , , , | 2 Comments