Journal article
Epidemiology and management of blackleg of canola in response to changing farming practices in Australia
AP Van de Wouw, SJ Marcroft, SJ Sprague, JL Scanlan, PA Vesk, A Idnurm
Australasian Plant Pathology | SPRINGER | Published : 2021
Abstract
The Australian canola industry was established in the 1970s and has expanded since that time, particularly in the last two decades. This review addresses the changes in farming practices since the year 2000 and the epidemiological and management consequences for blackleg, caused by the fungus Leptosphaeria maculans, the main disease impacting Brassica napus production. To help understand the change in production practices, a survey of over 100 growers and agronomists was conducted. Modern management practices include increased crop residue retention, frequency of canola in crop sequences, number of resistance genes in cultivars, use of hybrids and fungicides as well as earlier sowing and flo..
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Awarded by Australian Research Council
Funding Acknowledgements
We thank the participants of the survey and those that promoted participation, and John Kirkegaard for comments on the manuscript. This work was supported by the Australian Grains Research and Development Corporation (project UM00051) and Australian Research Council (LP170100548). We thank Andrew Ware, Kurt Lindbeck, Ravjit Khangura, Andrew Wherrett, Andrea Hills, Jenny Davidson and Vicki Elliott for help with collection of disease severity data between 2004 and 2020.