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Also know as American gooseberry mildew, this greyish-white powdery growth of the fungal disease Sphaerotheca mors-uvae appears on new shoots, which can become distorted and die off. The mildew also affects the upper leaf surfaces and stems

Tomato blight, a fungal infection called Phytophthora infestans, spreads by wind and water-splash. It also attacks potatoes, and is triggered by warm, wet conditions, making outdoor tomatoes more susceptible than those in a greenhouse. The crop

on infected stems and branches. The most serious consequence of scab is reduced vigour of the trees caused by early leaf fall. This may limit the crop of fruit. The disease also causes scabs on the skins of fruit, although they are still edible. A preventative

and the taste doesn't suffer. The spots can be easily scraped off.A plethora of sooty, greenish or brown spots all over the fruit, which usually appear during cold, wet seasons, and particularly on shady parts of the tree.Good garden hygiene eases many fungal

) to make sure the disease doesn't survive there over winter. Cut away and destroy any mummified fruits you might have missed during harvesting which have survived into the winter.There is no specific remedy for brown rot, but eliminating apple scab, which

featuring myclobutanil during spring and summer will help control the spread of the disease. Bordeaux mixture can also be applied after fruit harvest and during leaf fall.apples, pears, rowan, beech, ash, other broad-leaved treesspring, summer, autumn

, loganberries, other fruitsummerMore common problems affecting fruit trees and bushesAphidsBrown rotAntsPowdery mildew

Airborne fungal spores land on buds to infest newly-emerging leaves in spring. The fungus feeds on the young leaves and affects their development so that they become distorted. The smaller leaf size makes them less efficient at making food