The leaves on my pear tree are turning black. What is it and how can I treat it?
Fire blight is triggered by hot, humid weather, causing blackening of the leaves and shoots. 100g of Blue Bordeaux per 10L of water will help stop the disease.
Fire blight is triggered by hot, humid weather, causing blackening of the leaves and shoots. 100g of Blue Bordeaux per 10L of water will help stop the disease.