In highbush blueberry fields where stunt disease has been detected, plants that have never received nitrogen fertilizer are more vigorous and homogeneous than plants that have received nitrogen fertilizer. The purpose of the exercise was to learn more about the productivity (fruit yield) of these plants, which do not appear to be affected by this pathogen.
From 2015 to 2016
Fertilizer management, Pest, weed, and disease control
At its blueberry farm (not open for pick-your-own) IRDA conducts a number of projects that benefit the sector.
Ministère de l'Agriculture, des Pêcheries et de l'Alimentation du Québec - Programme d’appui au développement et à l’adaptation de l’agriculture et de l’agroalimentaire en région
The hypothesis was that it should be possible to measure sap flow in apple trees and correlate it with soil water conditions and the weather.
Researcher: Carl Boivin
An attract and kill technique to control plum curculio was recently proposed by U.S. researchers, but it is very little used in orchards and virtually unknown in Québec.
Researcher: Gérald Chouinard
Developing a fast and sensitive molecular detection methodology able to accurately identify raspberry and strawberry viruses.