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Photo of the Week
What’s up with the Hydrangea leaves, it looks like they are praying? This is the handiwork of the Hydrangea Leaftier moth (Olethreutes ferriferana). Peel the leaves apart to find webbing and a small dark headed moth larva feeding inside. Prune off and destroy infested leaves. Larvae will be dropping to the ground soon to pupate, where they will lay dormant until they emerge next spring.
Tag Archives: onnurserycrops
Pesky Pests Running Among Us
One of the most filthiest scale insect pests known to horticulturalists, the Euonymus scale (Unaspis euonymi) is a tiny little armored scale that covets evergreen Euonymus fortunei in the garden or landscape. Adult females have a dark cover that is wider at the posterior end, sea-shell in appearance with white margins. The smaller males have […]
Posted in Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, onnurserycrops
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Crab-apples looking…..rough?
Yes the exceptionally cold, wet, cloudy spring has been particularly supportive of fungal and bacterial diseases during leaf emergence this year. And our ornamental crab-apples are paying the price with thinning canopies and dieback. Click HERE for the AUDIO … Continue reading
Posted in Diseases, Weather
Tagged apple scab, fireblight, Jen Llewellyn, mike celetti, onnurserycrops
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Injectable Solutions for Landscape Trees
The black locust (Robinia pseudoacacia) are in full bloom as this is the phenology indicator species for the emergence of emerald ash borer adults.
Does It Seem Like All We Do Is Work?
There are lots of pest and plant health issues out there right now so check out my last few posts from the last week or so. Recently planted trees not looking so good? The 2016 growing season was extremely hot and dry and was very hard on landscape ornamentals, especially those planted in the […]
Posted in Arboriculture, Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, melissa huntley, onnurserycrops
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Android BugFinder Now Available!
Oh yes, Oh yes it’s finally here! The Android version of BugFinder and let me tell you….. it rocks!
The Friday Report, June 2
There are lots of pest and plant health issues out there right now so check out my last few posts from the last week or so. Recently planted trees not looking so good? The 2016 growing season was extremely … Continue reading
Posted in Arboriculture, Insects, IPM, landscape, Nursery Production
Tagged bugfinder, dave cheung, Jen Llewellyn, onnurserycrops
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Boxwood Leafminer Adults Abound!
Boxwoods in the landscape not looking so good coming out of the winter? Are you seeing a lot of yellow leaves? Can you see any yellow-green-brown spots?
