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Bacterial diseases; Bacterial canker Pseudomonas syringae pv. syringae: Bacterial spot = bacteriosis Xanthomonas pruni = X. arboricola pv. pruni = X. campestris pv. pruni: Crown gall Agrobacterium tumefaciens: Phony disease = phony peach Xylella fastidiosa
Taphrina deformans is a fungus and plant pathogen, and a causal agent[s] of peach leaf curl. [1] Peach trees infected with T. deformans will experience leaf puckering and distortion, acquiring a characteristic downward and inward curl.
Peach leaf curl is a plant disease characterized by distortion and coloration of leaves and is caused by the fungus Taphrina deformans, [1] which infects peach, nectarine, and almond trees. T. deformans is found in the United States , Europe , Asia , Africa , Australia , and New Zealand . [ 2 ]
Peach scab, also known as peach freckles, [1] is a disease of stone fruits caused by the fungi Cladosporium carpophilum. [2] The disease is most prevalent in wet and warm areas especially southern part of the U.S. as the fungi require rain and wind for dispersal. [ 3 ]
Shot hole disease is a major concern of the stone fruit industry. It is estimated that 80% of the California almond crop may be infested with shot hole disease, resulting in a potential yield loss of 50-75%. [3] In the 1930s, it was found that applications of Bordeaux mixture reduces shot hole disease on peaches from 80% to 9%.
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Peach trees are prone to a disease called leaf curl, which usually does not directly affect the fruit, but does reduce the crop yield by partially defoliating the tree. Several fungicides can be used to combat the disease, including Bordeaux mixture and other copper-based products (the University of California considers these organic treatments ...
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