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Using DNA Information to Breed for Disease-resistant Strawberries

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O'Connor, K. M., Neal, J., Gomez, A. and De Faveri, J. (2022) Using DNA Information to Breed for Disease-resistant Strawberries. Proceedings of The Royal Society of Queensland, 131 .


Article Link: https://doi.org/10.53060/prsq.2022-16


Strawberries are susceptible to many diseases that cause damage to leaves and fruit, such as powdery mildew. Many chemical sprays are used to control disease, but there is an industry, environmental and societal push to move away from fungicides. Breeding for disease-resistant varieties offers an alternative approach, and DNA information can be used in this strategy. We identified multiple genetic markers linked with resistance to powdery mildew in leaves and fruit using a statistical modelling method called ‘genome-wide association studies’. We also used DNA information across the entire genome to predict the susceptibility of different strawberry varieties. These results will help Queensland strawberry breeders to identify candidate varieties that are resistant to powdery mildew without expensive and time-consuming disease screening trials. These statistical methods can also be applied to other diseases, as well as yield and fruit quality traits.

Item Type:Article
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Business groups:Horticulture and Forestry Science
Keywords:strawberry, powdery mildew, fungus, genomics, DNA
Subjects:Science > Botany > Genetics
Plant culture > Seeds. Seed technology
Plant culture > Fruit and fruit culture > Berries and small fruits
Plant pests and diseases
Live Archive:23 Jun 2023 01:47
Last Modified:03 Jan 2024 23:06

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