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Close-up view of organic red apples ripening on an apple tree.\n\nTaken In Santa Cruz, California, USA.
Apple scab is a common disease of plants in the rose family (Rosaceae) that is caused by the ascomycete fungus Venturia inaequalis. While this disease affects several plant genera, including Sorbus, Cotoneaster, and Pyrus, it is most commonly associated with the infection of Malus trees, including species of flowering crabapple, as well as cultivated apple. The first symptoms of this disease are found in the foliage, blossoms, and developing fruits of affected trees, which develop dark, irregularly-shaped lesions upon infection. Although apple scab rarely kills its host, infection typically leads to fruit deformation and premature leaf and fruit drop, which enhance the susceptibility of the host plant to abiotic stress and secondary infection. The reduction of fruit quality and yield may result in crop losses of up to 70%, posing a significant threat to the profitability of apple producers. To reduce scab-related yield losses, growers often combine preventive practices, including sanitation and resistance breeding, with reactive measures, such as targeted fungicide or biocontrol treatments, to prevent the incidence and spread of apple scab in their crops
Apple orchard with a mature harvest of green apples, apple orchard with a harvest of apple fruits in the summer
Canon EOS 1D MkIII and 14mm L lens captured this ultra-wide angle shot of organic apples growing on an espalier.
Apples ripen on a branch in the garden on a bright sunny summer day, close-up
Apples in an English Garden. Shallow Depth of Field.
A paradise apple in natural settings hanging on a branch on a sunny day, Healthy to eat. An apple a day keeps the doctor away.
Apple picking is my favourite Fall activity
apple branch closeup with ripe apples close-up in the rays of sun. Autumn harvest concept
Ripe apples hanging on a branch of an apple tree
beautiful white apple blossoms in dutch orchard near utrecht in holland
Apple tree branch with ripe green apples
Fruits Infected by the Apple scab Venturia inaequalis. Orchard problems
Ripe apples on a tree
Pomelo fruit in agriculture farmer garden
Branch of apple tree loaded with many apples
Yellow apples of braeburn on a tree in the garden in autumn, harvesting concept.
Close-up of red delicious apples growing on an apple tree on a Central California farm.\n\nTaken in Watsonville, California, USA.
New grown apples
Magically beautiful picture of the apple trees on the well-known cider factory in Kivik, southern Sweden.
green apples (apel Malang) ready to be harvested, located in an apple plantation in Batu Malang, East Java, Indonesia
ripe apples tree orchard okanagan valley british columbia agriculture
harvest of apples on the tree. Selective focus. Nature
The apples and leaves were damaged by the hail.\nVariety Brettacher Gewürzapfel.
young green apples growing on the apple tree organic farming
Branch of apple tree loaded with many apples
Apple scab is a disease in apples caused by a fungus Venturia Inaequalis. The malus remains edible but looks ugly.
Orchard of almond trees under a cloudy sky.\n\nTaken in the San Joaquin Valley, California, USA.
Close up of a branch of cider apples on the tree.
Hatton Warwickshire England UK.old walled english country cottage garden and allotment lush with plants and flowers in summer. There are no people in the picture.
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