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Tag Archives: Jen Llewellyn
Yellow, distorted and disappearing leaves?
Gypsy moth larvae are finally finishing up their foliar munching and are pupating across Southern Ontario. Female larvae can measure up to 3 inches long, they need to be bigger than males since it takes so much energy to produce … Continue reading
Posted in Diseases, Insects, IPM
Tagged crabapples tolerant to apple scab, Jen Llewellyn
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July 2 Nursery-Landscape Report
Environment Canada is calling for showers and thunderstorms today, the chance of showers on Thursday and then clear and sunny by Friday. Much cooler temperatures are on their way for Thursday afternoon. Plant Phenology indicators this week. A) North of … Continue reading
Posted in Arboriculture, IPM, Weekly Nursery Landscape Report
Tagged IPM, ipm in the landscape, ipm in the nursery, Jen Llewellyn
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June 24 Nursery & Landscape Report
Environment Canada is calling for cloudy, humid unsettled weather with the chance of showers or thunderstorms today and tomorrow. There is a mix of sun and cloud forecasted for the rest of the week with high temperatures, moving into the … Continue reading
Crawling with Scale
The first generation of Euonymus scale (Unaspis euonymi) crawlers are quite active in container grown Euonymus and also in the landscape. Euonymus scale look like tiny white flecks (males) and tiny brown sea shells (females) along twigs and the undersides … Continue reading
Posted in Insects, Uncategorized
Tagged euonymus scale, fletcher scale, Jen Llewellyn
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Avoid Extensive Pruning of Apple and Pear
With the warm, wet conditions we’ve had in southern Ontario so far this spring, Fireblight has been running rampant on apple and pear. Symptoms appear as branch tip wilting, stems crooking, leaves turning dark brown and persisting on the tree….
Creative Botanical Signage Fosters Spirit This Time of Year!
Well, we are rolling towards the end of June already and if you running a retail business, this is the time of year when sales traffic slows down a bit. I say “psh”, attract them to your business with a … Continue reading
Yellow Headed Spruce Sawfly and Gypsy Moth Hiding & Feasting
In the north Toronto area, there is quite a problem with yellow headed spruce sawfly. I blogged about their hatch last week and already they have grown to 10-15 mm long! Take a quick scan of the new growth on … Continue reading
Posted in Arboriculture, IPM
Tagged gypsy moth, Jen Llewellyn, yellow headed spruce sawfly
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June 13: OMAF Nursery & Landscape Report
Environment Canada is calling for much cooler, sunny weekend with temperatures ranging from 19-21oC in many areas. What perfect weather for weeding and rehabilitating old garden beds and planting more trees, shrubs and perennials! The cool, weather we experienced this … Continue reading
Posted in Arboriculture, IPM, landscape, Nursery Production, Uncategorized
Tagged Jen Llewellyn
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Funky Dissected Leaves on Weeping Eur Beech?
I have had a lot of questions about strange shapes of leaves on weeping European beech (Fagus sylvatica ‘Pendula’) this week from landscapers, arborists, garden centres and field production nursery growers. What we are seeing is slight chlorosis (yellowing) and … Continue reading
IPM for Trees Workshop July 15 @ Guelph Arboretum
The 2nd Annual Hands-On Integrated Pest Management (IPM) Workshop is coming up at: THE UNIVERSITY OF GUELPH ARBORETUM GUELPH, ONTARIO Tuesday July 15, 2014 9:00 a.m. to 3:30 p.m. This returning ISA Ontario Chapter “IPM FOR WOODY PLANTS” field course is…
Posted in Arboriculture, Educational Opportunities, IPM
Tagged ipm trees ontario, isa ontario, Jen Llewellyn
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