Leek Moth Update – 1 August 2012
In 2011, leek moth pheromone traps were installed in Allium growing areas across southwestern and central Ontario. This pest was… Continue Reading Leek Moth Update – 1 August 2012
Tag: Alliums
Root, bulb, leafy and brassica vegetable pest report – 1 Aug 2012
The threshold for third generation emergence of onion maggot flies has been reached in Windsor. Degree day accumulations indicate peak… Continue Reading Root, bulb, leafy and brassica vegetable pest report – 1 Aug 2012
Root, bulb, leafy and brassica vegetable pest report – 24 July 2012
The threshold for third generation emergence of onion maggot flies should be reached in Windsor in 5-6 days. Degree day accumulations… Continue Reading Root, bulb, leafy and brassica vegetable pest report – 24 July 2012
Fusarium Basal Plate Rot of Onion and Garlic
Michael Celetti, Plant Pathologist – Horticulture Program Lead, Ontario Ministry of Agriculture, Food and Rural Affairs, Guelph The pathogen, Fusarium oxysporum… Continue Reading Fusarium Basal Plate Rot of Onion and Garlic
Root, bulb, leafy and brassica vegetable pest report – 18 July 2012
The threshold for second generation emergence of onion maggot flies has been reached in Wellington. Degree day accumulations indicate peak… Continue Reading Root, bulb, leafy and brassica vegetable pest report – 18 July 2012
Root, bulb, leafy and brassica vegetable pest report – 10 July 2012
Threshold for second generation emergence of onion maggot flies has been reached in the Windsor, London, Thedford, Delhi and Bradford/Holland… Continue Reading Root, bulb, leafy and brassica vegetable pest report – 10 July 2012
BULB ONION PRODUCERS Receive Minor Use Registration for AGRI-MEK® Insecticide for control of ONION THRIPS
J. Chaput, OMAFRA, Minor Use Coordinator, Guelph The Pest Management Regulatory Agency (PMRA) recently announced the approval of a minor… Continue Reading BULB ONION PRODUCERS Receive Minor Use Registration for AGRI-MEK® Insecticide for control of ONION THRIPS
Update on Stemphylium Leaf Blight of Onions in Ontario
Marion Paibomesai and Michael Celetti, OMAFRA and Michael Tesfaendrias, University of Guelph-Muck Crop Research Station Adapted from HortMatters article Vol. 12,… Continue Reading Update on Stemphylium Leaf Blight of Onions in Ontario
Degree days for root, bulb and leafy vegetable pests – 4 July 2012
Thresholds for second generation emergence of onion maggot flies have been reached in the London area and is expected to… Continue Reading Degree days for root, bulb and leafy vegetable pests – 4 July 2012
Purple blotch of onions
Purple blotch has been seen on onion transplants in the Holland Marsh. This disease is often found on leaves damaged… Continue Reading Purple blotch of onions