Biocontrols
May 2017 – In Ontario, we continue to struggle with control of western flower thrips.  Even those growers religiously using preventive, mite-based biocontrol programs can suddenly find themselves throwing out a significant portion of their crop due to visible damage.
May 2017 – In this six-part series of articles on thrips integrated pest management, we will provide practical  application tips and tricks, information on new technologies and how it all fits within an overall IPM program. Each article will be accompanied by a short video demonstrating a technique or principle.
March April 2017 – At this time of year, the two-spotted spider mite makes its very predictable appearance in greenhouse crops. Despite our familiarity with this pest, it continues to challenge us.
August 2016, St. Catharines, Ont. – Bill MacDonald is a full-time professor in the School of Environmental and Horticultural Studies at Niagara College. He was a featured presenter at Grower Day 2016. He discussed the effectiveness of biostimulants with greenhouse crops, offering a timely update on these new crop management tools.
Feb. 23, 2017, Guelph, Ont. – A high-tech form of insect birth control connected to nuclear power could solve a devastating pest problem for Ontario farmers, says a University of Guelph researcher.
February 2017 – During early season, greenhouse crops are often considered as simple ecosystems with low biodiversity. Particularly, crops in modern greenhouses appear sterile compared to outdoor crops and this is because plants are grown on hydroponic systems in a closed environment.
February 2017 – A major conference on the use of biological control in greenhouses is coming to Niagara in June.
Oct. 26, 2016 – Thrips are one of the most serious greenhouse pests, with an especially large host range that makes most greenhouse crops vulnerable.
Thrips readily develop resistance to pesticides, to the point where, in some countries, there are few or no effective pesticides available to control them.
Oct. 7, 2016, Niagara Falls, Ont. – Crop Defenders Ltd. surveyed attendees at this week’s Canadian Greenhouse Conference, asking about this year’s major pests and diseases in ornamental and vegetable crops.
Sept. 16, 2016, Simcoe, Ont. – Thrips are one of the most serious greenhouse pests, with an especially large host range that makes most greenhouse crops vulnerable.
October 2016 – In early July 2016, after a very hot and dry start to the summer, reports emerged from a number of greenhouse flower growers of a sudden increase in western flower thrips being caught on sticky traps. This subsequently led to pest establishment and the sudden appearance of (sometimes) severe damage in a number of ornamental crops.
Aug. 23, 2016 – The The Biopesticide Industry Alliance (BPIA) has been working over the past 15 years to promote awareness of the effectiveness of biopesticides and their full range of benefits in a progressive pest management program.
August 2016 – Crop Defenders Ltd. considers pest management as having three major foundations: (1) good cleanout, (2) proficient scouting, and (3) timely/proactive treatment with biological control agents (biologicals).
April 14, 2016, Berkel en Rodenrijs, the Netherlands — Koppert Biological Systems is introducing high definition videos that feature the most prevalent pests and their natural enemies in the lead roles.
Whitefly is proving to be one of the most difficult pests to control, mainly due to the lack of effective registered chemicals that can eradicate silverleaf whitefly. It is also due to the unwillingness of biological suppliers to bring Eretmocerus mundus back to the market – the only predator proven to be effective against this pest.
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