Why is this research important for Alberta ag?
Plant parasitic nematodes (PPNs) can cause serious root damage. However, because of their belowground habitation and minute size, PPNs are understudied, least diagnosed as the root cause of poor cereal and pulse crop performance, and ultimately yield loss. Above-ground symptoms associated with these nematodes include stunted plant growth and chlorosis.
A recent study found more than 70% of the cereal fields in southern Alberta were positively infested with the PPN species, root lesion nematodes (RLNs). RLNs are mobile in the soil and roots and tend to complete their lifecycle while inside the roots of host plants, thereby causing reductions in lateral root growth and necrotic lesions in the roots. The population of RLNs is reported to be inversely proportional to cereal and pulse crop yields, and predispose infested plant roots to attack by secondary pests.
Similar to PPNs, wireworms are soil-dwelling pests that feed on crops, cause reduced crop growth, thinner crop stands, and facilitate infection by other pathogens. Previous work, Advancing monitoring and decision-making tools for wireworms in Alberta, is focused on the use of aerial imagery to detect early thinning in wheat.
This project will leverage the aerial imagery and soil sampling efforts of this previous work and expenses to gain insight on the presence of PPNs, their role in compromising crop productivity, and the possible interaction between multiple below ground pests.
What benefits can producers expect from this research?
Integrated pest management is key to sustainable agriculture and is based on the proper identification and monitoring of pests. Data obtained will not only help in understanding the occurrence of PPNs in relation to wireworms and delineation of complex interactions, but will also lead to site specific management of such biotic stresses.
How will these research findings reach producers on-farm?
Information in the form of a bulletin will be provided to Alberta Wheat and Barley Commissions to be posted on websites. Results will also form a peer-reviewed article. Findings will be shared through newspapers, newsletters, published in popular press articles and other agricultural related websites.
Presentations will take place at various meetings and workshops, field schools, and conferences.