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This fungal problem results in rounded spots on the leaves. Although it's unsightly, leaf spot is only a significant problem on poorly growing or unhealthy plants, which might end up dropping a substantial number of leaves.A fungal attack causes
pull them out if they appear in the garden. Every two weeks from early spring onwards spray plants with a systemic action fungicide.hollyhocks, mallowall year roundCommon fungal problems affecting plantsIris leaf spotRose blackspotRose rustTulip fire
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
kill a plant. Since there are separate fungal species that affect different plants, an attack on your curcubits won't lead to a garden epidemic. Powdery mildew and powdery mildew on roses are similar problems, with similar solutions.The first sign
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
with myclobutanil or sulphur. Always check the label first if you're using these products on edible crops.shrubssummerMore common fungal infections Gooseberry mildewTomato leaf mouldMildew on cucurbitsGrey mould on soft fruits
The fungal spores that cause rust are spread on the wind, and they can survive over winter on the soil surface, on fallen debris and even objects such as fences and stakes. The symptoms spread in early summer from patches of orange on the stems
The fungus Rhytisma acerinum overwinters on fallen acer leaves, then infects the new spring foliage. The first signs are yellow leaf spots that turn into large shiny black blotches up to 1.5cm across. Severe cases can mean the leaves drop early, but the health of the tree won't s...
Just as your fruits are beginning to ripen, grey mould (a fungus called botrytis) can ruin them. Small brown spots form on the skin, then spread over the whole fruit, turning it soft and brown. As the fruit deteriorates, a fuzzy grey layer of mould develops. The spores produced b...
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