![]() ![]() That means what we call a raspberry is actually many small drupes that stick together. Harsher pesticides are sometimes used, but these will destroy the beneficial insects that may be your best defense against aphid activity.The raspberry is a collective fruit. These pests are easily sprayed from leaves with a garden hose, or you can spray weekly with insecticidal soap to knock down any aphids on the plant, visible or not. Sticky cards help you monitor for aphid activity once your raspberries are planted. ![]() Make sure that you clean your tools well before removing the new raspberries from their pots, to prevent transmission of the virus from infected plants to your clean stock via shovels and pruners. Purchase certified, virus-free nursery stock from a reputable supplier when you’re ready to plant again. There is no cure or treatment for this disease and by removing infected plants, you may save clean plants nearby.īefore replanting your raspberry stand, remove any wild caneberries nearby, as well as neglected brambles. If there are already curled leaves on raspberries in your garden, and other signs of leaf curl disease are emerging, you need to remove and burn or double bag infected plants as soon as possible. Raspberry leaf curl virus can kill a raspberry stand in two to three years and cannot be cured. You may find your canes die back considerably more than usual while they’re dormant. A mild infection may go unnoticed for the first season, but a severe case of leaf curl disease visibly reduces yields and decreases the winter tolerance of your plant. Often, they arch stiffly or curl downward and change colors red raspberries usually develop yellow leaves, while black raspberries turn very dark green, with a greasy appearance.Īs the disease progresses, the canes may also stiffen and become brittle, and fruits mature small, seedy, and crumbly, making them inedible. ![]() Leaves will change, sometimes dramatically, during the early stages of infection. Raspberry leaves curling is just one sign of raspberry leaf curl virus, an incurable disease vectored by the small raspberry aphid ( Aphis rubicola). Unfortunately, leaf curl disease is much more than a cosmetic problem - the curled leaves on raspberries are an early clue that your plants have a deadly disease. A typical day in the garden can be ruined by the appearance of a stray insect that leads you to the discovery of an infestation, or worse, a few discolored, curled leaves and the dawning realization that your raspberry plants have contracted raspberry leaf curl virus. ![]()
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