Remove dead branches and twigs, as well as damaged fruit. Ensure adequate spacing between trees to increase air circulation, and to allow sunlight to penetrate the. Use a drip system or allow a hose to drop slowly at the base of the tree. Water pear trees carefully and keep the foliage as dry as possible. Prune infected growth to healthy wood as soon as it appears. Spray the tree thoroughly until the fungicide drips from the leaves. Rake and burn fallen plant debris in fall. Avoid overhead irrigation.Įnsure adequate spacing between trees to increase air circulation, and to allow sunlight to penetrate the foliage. Spray the tree thoroughly until the fungicide drips from the leaves. Treating pear fruit spot requires a combination of chemical and cultural practices.Īpply fungicides as soon as leaves are fully developed, then repeat three more times at two-week intervals. Lesions on pears are slightly sunken and black. Purple to black lesions, with spores, also appear on twigs. Eventually, severely infected foliage turns yellow and leaves drop from the tree. When the foliage is wet, a gooey, shiny mass of spores oozes from the pimple. Cut away any infected wood at least 15cm / 6in further back from the infection. As soon as you confirm that there is fireblight remove all infected shoots and blossom. Copper fungicide sprays were available a few years ago but they have been withdrawn from sale. A yellow halo may develop around the lesions. There are no chemical sprays available in the UK to treat fireblight. As the lesions mature, they become purplish black or brown with a small pimple in the center. Fruit spots appear as small, purplish spots, generally on the younger, lower leaves. Symptoms of pear leaf blight and fruit spot are fairly easy to discern. The bacteria are carried to other trees by insects, wind, splashing water, and rain. Once a tree is infected, it is nearly impossible to eliminate. It is caused by the bacteria Erwinia amylovora. Pear leaf blight and fruit spot is caused by Fabraea maculata, a fungus that infects all parts of the tree. Fire Blight Is A Common Disease For Roses, Pears and Apples Fire blight is a common and potentially fatal disease among trees in the rose family, especially pears and apples. It has since been found in all pear and apple-producing. Fire blight is a serious bacterial disease of pears and apples that was first observed in the late 1700’s in the Northeastern United States.
Let’s learn how to treat pear fruit spot. Vigilant scouting for the disease combined with careful pruning techniques are recommended to manage fire blight in pear and apple trees. Although the disease is difficult to eliminate, it can be successfully managed by using a combination of approaches. Pear leaf blight and fruit spot is a nasty fungal disease that spreads quickly and can defoliate trees in a matter of weeks.