In the spring, the cankers ooze and the bacteria inside is carried to the blossoms by insects and moisture. Treating Blight on Pear Treesįire blight overwinters in cankers in the wood. When fruit forms, fire blight in pears can result in fruits that are small, misshapen and covered in oozing lesions.
Sometimes, the blight will spread from the new shoots to the older wood, where it appears as sunken, oozing cankers. The next very recognizable symptom is shoot blight, when new shoots turn black and wither, bending under their own weight into the shape of a candy cane. When this occurs, the blossoms take on a gray and waterlogged appearance that eventually turns to black. One of the most common and earliest occurring symptoms is blossom blight. Pears and Fire Blightįire blight can affect all parts of a pear tree and, therefore, it can manifest itself in different ways. Keep reading to learn more about detecting fire blight in pears and how to treat pear tree blight. Though the disease is a scary prospect, pear tree blight treatment is possible. It can affect all parts of the tree and will often lie dormant over the winter to spread further in the spring.
Fire blight in pears is a devastating disease that can easily spread and cause serious damage in an orchard.