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mildiou de la pomme de terre
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View Late blight and rot of potatoes caused by the fungus Phytophthora infestans, de Bary By Paul A. Murphy 
Late blight and rot of potatoes caused by the fungus Phytophthora infestans, de Bary
By Paul A. Murphy
View Potato spraying for late blight and rot By Paul A. Murphy 
Potato spraying for late blight and rot
By Paul A. Murphy
View Late blight of potatoes and its control By Lorne Clayton Callbeck 
Late blight of potatoes and its control
By Lorne Clayton Callbeck