Canker is a tree bark disease with necrotic areas. It occurs due to pathogenic fungi that penetrate through bark cracks or mechanical and natural injuries (e.g., man-made wounds, frost cracks, fire burns, and sunscalds). Healthy trees cope with the infestation, yet weakened ones cannot resist it. ​ Symptoms of canker disease include discoloured or dead areas on leaves and branches, wilting, and premature leaf drop. In severe cases, canker disease can cause branch dieback or even death of the ent
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Canker Disease in Apple Trees: Identifying and Managing Tree Wounds Effectively Canker disease in apple trees is a serious issue caused by fungal or bacterial pathogens that infect the bark, leading to sunken, dead areas and decay. These infections often enter through wounds caused by pruning, weather damage, or pests. If left untreated, cankers can girdle branches or even kill the tree. Effective management includes early identification, careful removal of infected wood, disinfecting tools, and
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