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  Control of Leaf Spot and Powdery Mildew in Wild Blueberry

K.V. Lynch1 and M.J. Melanson1

Abstract: Control of leaf spot and powdery mildew was evaluated in a commercial blueberry field in Northeastern New Brunswick. Fungicides evaluated were; propiconazole (Topas 250E 500 ml/ha), myclobutanil (Nova 40W 340 g/ha), azoxystrobin (Quadris Flowable 250 1 L/ha), chlorothalonil (Bravo 500 3.5 L/ha) and sulphur (Flowable Sulphur 52 3.75 L/ha). Fungicide applications were made on 4 and 16 July and disease incidence assessed on 2 August. Disease incidence at both locations was trace to low and no significant differences were found between the treatments and the control.

1NB Department of Agriculture, Fisheries and Aquaculture, Agriculture Development Branch, P.O. Box 6000, Fredericton, NB, E3B 5H1

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