Insights into Wheat Genotype‒ Sphaerodes mycoparasitica Interaction to Improve Crop Yield and Defence against Fusarium graminearum : An Integration of FHB Biocontrol in Canadian Wheat Breeding Programmes

Fusarium head blight (FHB) is a major threat to wheat crop production and food security worldwide. The creation of resistant wheat cultivars is an essential component of an integrated strategy against , the primary aetiological agent that causes FHB. The results of this study show that the deploymen...

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Bibliographic Details
Published in:Pathogens (Basel) 2024-04, Vol.13 (5), p.372
Main Authors: Powell, Antonia, Kim, Seon Hwa, Hucl, Pierre, Vujanovic, Vladimir
Format: Article
Language:English
Subjects:
Agricultural production
agronomic traits
Agronomy
Annual reports
Biological control
Cereal crops
Cereals
chemotypes
Crop diseases
Crop production
Crop yield
Crops
Cultivars
durum wheat
etiological agents
Food
Food security
Fungicides
Fusarium
Fusarium graminearum
Fusarium head blight
Genotypes
Grain
grain yield
greenhouse experimentation
Infections
mycoparasite
Pathogens
Pesticides
phytomass
Plant biomass
Plant breeding
plant height
Plant resistance
Population
resistance
seed weight
Seeds
Sphaerodes mycoparasitica
Triticum aestivum
Triticum durum
Weight
Wheat
wheat genotypes
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Summary:Fusarium head blight (FHB) is a major threat to wheat crop production and food security worldwide. The creation of resistant wheat cultivars is an essential component of an integrated strategy against , the primary aetiological agent that causes FHB. The results of this study show that the deployment of proto-cooperative interactions between wheat genotypes and mycoparasitic biocontrol agents (BCAs) can improve crop yield and plant resistance in controlling the devastating effects of FHB on wheat agronomic traits. A Fusarium-specific mycoparasite, , was found to be compatible with common and durum wheat hosts, thus allowing the efficient control of infection in plants. Four genotypes of wheat, two common wheat, and two durum wheat cultivars with varying FHB resistance levels were used in this greenhouse study. The BCA treatments decreased FHB symptoms in all four cultivars and improved the agronomic traits such as spike number, spike weight, seed weight, plant biomass, and plant height which are vital to grain yield. Conversely, the 3ADON chemotype treatment decreased the agronomic trait values by up to 44% across cultivars. Spike number, spike weight, and seed weight were the most improved traits by the BCA. A more measurable improvement in agronomic traits was observed in durum wheat cultivars compared to common wheat.
ISSN:2076-0817
2076-0817
DOI:10.3390/pathogens13050372