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Projects & Results

Improving lygus management for current canola and faba bean cultivars

Project Details

Lead Researcher(s)

Hector Carcamo

Co-Researcher(s)

Darren Bruhjell, Jennifer Otani, Jim Broatch, Neil Harker

Funding Partners

ACIDF, Alberta Pulse Growers

April 2013 - March 2016

Complete

The Challenge

As canola acres increase, Lygus is becoming a more perennial pest. Without solid economic thresholds, there is an increased environmental footprint when managing Lygus due to the use of insecticides.

The Project

Validate thresholds by assessing lygus feeding on key canola cultivars and compare their responses to feeding starting at the bud stage.

The Results

The current economic threshold for lygus at 1 per sweep is too low. Depending on environment conditions (heat and moisture), 2-3 lygus per sweep is more likely correct.

Grower Benefits

Reassessing the economic threshold for Lygus bugs on herbicide-tolerant canola cultivars, growers can decrease their environmental footprint while reducing cost of production and maintaining high yields.

Keywords:

Lygus, Insect threshold, insecticide, Faba beans