How to Tell: Small-to-medium-sized holes in the middle of the leaf; slime trails. Holes … In late summer, you may see white powdery spots on strawberry leaves and fruit, which indicate a fungal mildew issue. They usually wait until the fruits start to change colour and then remove the … Strawberry diseases can affect fruit, flowers, leaves, roots, and crowns of strawberry plants, and sometimes cause the collapse of the whole plant. Sucking insects poke tiny holes in leaves and draw the juices out of them. Watering Issues A variety of pests are attracted to strawberry leaves. In this way strawberry plants can be infected with viruses. The root system has badly developed, the roots are stunted and have swollen root tips. These include poor growing conditions and environmental stress, insect pests feeding on the foliage and even droplets of water acting as a magnifying glass in strong sunlight. But one specific type of hole, called ‘shot hole’, is … Identifying why your leaves are yellowing or browning will also provide you with the best way to treat the root cause of the problem. Slugs will also go for fruit that is touching the ground, especially melons and strawberries. As with all other plants, strawberry plants need the right conditions to thrive in. If the berries and blossoms have black or gray moldy areas, fruit rot or blossom blight may be to blame. Common sucking insects include aphids, squash bugs, and spider mites. In the USA various grubs attack the fruits but in the U.K. the most troublesome pests are birds. They seem to prefer hostas, but will attack virtually anything with leaves. Holes in flower leaves usually indicate insect pests rather than disease, which tends to cause spots on the leaves or dropping leaves. Leaves develop yellowish spots and become crinkled (Strawberry mottle virus, Strawberry crinkle virus, Strawberry vein banding virus) Plants are stunted, leaves are crinkled and have yellow spots or blotches which may later turn red ( Arabis mosaic virus, Tomato black ring virus, Strawberry necrotic shock virus, Raspberry ringspot virus ) Feeding damage creates wilting and jagged holes in leaves. The stress caused by certain insects will make the leaves wilt and turn brown around the edges. There are multiple reasons why your strawberry leaves are turning brown or going yellow, including: 1. Plants which have been attacked by root nematodes, lag behind in growth. https://www.gardenfocused.co.uk/fruitarticles/strawberry/y-pest-disease.php In the U.K. blueberry plants are largely trouble free and can be grown organically very successfully. Spray your plants diligently with insecticide, as sucking insects can breed so rapidly a single application often isn’t enough. 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