Author Archives: Kristy Grigg-McGuffin
Hannah Fraser, Entomologist-Horticulture, OMAFRA Are you actively monitoring for brown marmorated stink bug (BMSB) or other injurious stink bugs in your orchard? As we head towards harvest, the risk from BMSB injury to apples and pears increases in areas where … Continue reading
Do you know how effective your pest management program was this year? With only a small time commitment required, a harvest assessment can provide information on what part of your management program went well (or not so well) this year.
Available in PDF: 12_Apple Update Auguest 10 In this update: Growth stage Precipitation Retain label changes International Fruit Tree Association – Part 2 Diseases: fire blight, scab, fruit rot, blister spot Insects: apple maggot, codling moth, San Jose scale, woolly … Continue reading
Available in PDF: 11_Apple Update July 25 2017 In this update: Crop stage Hand thinning International Fruit Tree Association Study Tour recap Pests: bitter rot, apple maggot, leafcurling midge, San Jose scale, aphid, leafhopper, Japanese beetle
Available in PDF: 10_Apple Update July 15 2017 In this update: Growth stages Bitter pit management Disease: fire blight, scab, powdery mildew, Phytophthora, Nectria, summer disease Insect: lepidopterans (moths), apple maggot, leafcurling midge, San Jose scale, aphids, potato leafhopper, rust mite … Continue reading
In this update: Fruit size Hedging Nutrient analysis Weather issues Disease: fire blight, apple scab, powdery mildew, fly speck/sooty blotch, sudden apple decline Insect: oriental fruit moth, obliquebanded leafroller, rosy apple aphid, San Jose scale, Japanese beetle, brown marmorated stink … Continue reading
Crop Stages In Southwestern Ontario, apple fruitlets are 20-35 mm in diameter, terminal buds are starting to set in older trees in Essex County In Grey County and east of Toronto, apple fruitlets are at 15-20 mm in diameter