Gérald Chouinard, agr., Ph.D.

Gérald Chouinard, researcher

Gérald Chouinard

Researcher

450 653-7368
ext 340

Contact Gérald Chouinard

About

Gérald Chouinard (agr., Ph.D.) is an agronomist with a doctorate in fruit entomology from McGill University. He has been at IRDA since its creation, and his work focuses on the integrated management of harmful and beneficial orchard insects and mites. He also acts as the apple tree warning officer for the Québec Plant Protection Warning Network (Réseau d’avertissements phytosanitaires), a group of specialists working to develop integrated fruit production, promote safe and sustainable control methods, and support apple growers and industry professionals in their mission to grow quality apples in an environmentally responsible manner. He is active at all levels of the innovation chain, including research, development, and technology transfer. He is an associate professor at Université du Québec à Montréal and Université Laval. He is the recipient of the Léon-Provancher Prize awarded by Société d’Entomologie du Québec, the Révérend-Père-Léopold Prize awarded by Les Producteurs de Pommes du Québec, and the Agronomic Distinction Medal awarded by the Ordre des Agronomes du Québec. He is the author of numerous scientific and technical publications, including books such as Guide de référence en production fruitière intégrée (Integrated Fruit Production Reference Guide) and Guide d’identification: maladies, ravageurs et organismes bénéfiques des arbres fruitiers (Identification Guide for Diseases, Pests, and Beneficial Organisms affecting Fruit Trees).

Area(s) of Expertise

  • Integrated fruit production
  • Biological pest control and integrated pest control in orchards
  • Monitoring and forecasting of apple pests
  • Phytosanitary warnings for apple trees
  • Low-environmental-impact cropping systems
  • Chemical ecology and insect behaviour

For more than 20 years, Gérald Chouinard has worked with farmers on methods for growing apples in an environmentally responsible manner, as well as on the adoption of integrated fruit production in Québec orchards.

Related research project(s)

Apples
2019-2020 • Fruit production

Using multitask nets and mechanization to eliminate pesticide use in apple orchards

Exclusion nets have proven to be effective against nearly all of these insect pests, which means that it’s possible to develop apple growing practices in Québec that are not only neonicotinoid free, but also devoid of all pesticides (including acaricides, given that mite problems are a consequence of broad-spectrum insecticide use). Although the net exclusion microsystem studied in Québec since 2012 has demonstrated its effectiveness in controlling insect pests, some issues remain to be studied before it can be unreservedly recommended. Among these are the handling times for the nets, i.e., installation/removal and opening/closing, and the system’s profitability and durability over the long haul for various cultivars.

Researcher: Gérald Chouinard

Read more about the project

Gérald Chouinard
Obliquebanded leafroller, Photo credit: Laboratoire d'expertise et de diagnostic en phytoprotection - MAPAQ
2019-2022 • Fruit production

A biological strategy to control obliquebanded leafroller in orchards where a codling moth mating disruption program is underway

Biological control of the obliquebanded leafroller in orchards where mating disruption is being used against the codling moth.

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Daniel Cormier
Gérald Chouinard
Brown marmorated stink bug
2019-2023 • Fruit production

Attract-and-kill techniques for monitoring and controlling stinkbugs in Québec orchards

Acquiring the knowledge needed to develop an attract-and-kill treatment to control current and future stinkbug populations in Québec apple orchards.

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Gérald Chouinard
Daniel Cormier
Codling moth
2019-2023 • Fruit production

Optimization and use of Virosoft CP4 in a Codling moth control program

Developing a Codling moth control management tool based on an improved formulation of Virosoft CP4.

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Daniel Cormier
Gérald Chouinard
Obliquebanded Leafroller
2018-2023 • Fruit production

Sustainable control methods for apple pests

This pan-Canadian project conducted in Ontario, Québec, British Columbia, Nova Scotia, and New Brunswick focuses on strategies for controlling three key pests in apple production.

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Daniel Cormier
Gérald Chouinard
Apples
2018-2019 • Fruit production

Updating the Québec IFP reference guide

Updating the apple pest monitoring guide and the IFP reference guide for the benefit of apple growers.

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Daniel Cormier
Gérald Chouinard

Publications

See also

Denis Potvin, technology transfer Agent – Project manager

Denis Potvin

Technology Transfer Agent – Project Manager

418 643-2380
ext 414

See more

Pierre-André Biron, laboratory technician

Pierre-André Biron

Laboratory Technician

418 643-2380
ext 621

See more

Colin Federspiel

Laboratory Technician

418 643-2380
ext 811

See more

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