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Bacterial diseases; Bacterial spot Xanthomonas euvesicatoria pv. citrumelo: Black pit (fruit) Pseudomonas syringae: Blast Pseudomonas syringae: Citrus canker: Xanthomonas citri pv. citri: Citrus variegated chlorosis Xylella fastidiosa: Huanglongbing = citrus greening Candidatus Liberibacter asiaticus. Candidatus L. africanus
Schizothyrium pomi is a plant pathogen of the sooty blotch and flyspeck complex, infecting apple, pear and citrus trees and carnations. As of 2008 [update] it has been a presumed teleomorph of Zygophiala jamaicensis .
Affected trees have stunted growth, bear multiple off-season flowers (most of which fall off), and produce small, irregularly shaped fruit with a thick, pale peel that remains green at the bottom and tastes very bitter. Common symptoms can be mistaken for nutrient deficiencies; the distinguishing factor is the pattern of symmetry.
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%.
The impact of Hurricanes Irma in 2017, Ian in 2022 and Milton in 2024 on trees already weakened from years of citrus greening disease "has led Alico to conclude that growing citrus is no longer ...
Accordingly, many diseases that primarily exhibit this symptom are called blights. Several notable examples are: [citation needed] Late blight of potato, caused by the water mold Phytophthora infestans (Mont.) de Bary, the disease which led to the Great Irish Famine; Southern corn leaf blight, caused by the fungus Cochliobolus heterostrophus ...
Trees have natural chemicals that keep most fungi at bay, but climate change could be making trees more vulnerable, researcher says. Citizen scientists to study this tree disease found in ...
Plant diseases which affect fruit trees. Subcategories. This category has the following 9 subcategories, out of 9 total. A. Apple tree diseases (47 P)