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Exploring the sooty blotch and flyspeck complex on apples - Gleason Laboratory

Sooty blotch and flyspeck (SBFS) is a fungal complex that colonizes the waxy cuticle of apple fruit. The blemishes caused by SBFS prevent apples from being sold as fresh fruit, causing financial losses for growers. The conventional strategy against SBFS is non-stop chemical warfare: 3 to 8 fungicide sprays from late spring through harvest.