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Canker rots Cerrena unicolor Inonotus hispidus. Cylindrocladium root rot and blight Calonectria kyotensis Cylindrocladium scoparium Endothia canker Endothia gyrosa Endothiella gyrosa [anamorph] Fusarium canker Fusarium solani. Hymenochaete canker Hymenochaete agglutinans. Leaf gall Synchytrium liquidambaris. Leaf spots Cercospora liquidambaris
Citrus canker is a disease affecting Citrus species caused by the bacterium Xanthomonas (X.axonopodis; X. campestris). Infection causes lesions on the leaves, stems, and fruit of citrus trees, including lime, oranges, and grapefruit. While not harmful to humans, canker significantly affects the vitality of citrus trees, causing leaves and fruit ...
Peach tree leaves displaying various stages of the shot hole disease: brown spots on the leaf with conidium holders in the middle (center) that eventually fall off, leaving BB-sized holes behind (left) Shot hole disease of apricot leaves. The fungal pathogen Wilsonomyces carpophilus affects members of the Prunus genera. Almond, apricot ...
Leaf scorch / Golden death: Xylella fastidiosa [1] [2] Bacterial blast: Pseudomonas syringae [3] Bacterial canker: Pseudomonas syringae pv. syringae [2] Bacterial hyperplastic canker: Pseudomonas amygdali: Bacterial spot: Xanthomonas pruni (syn. X. campestris pv. pruni) Crown gall: Agrobacterium tumefaciens [1]
Compared above is a healthy tree and segment (left) to a tree infected and containing a canker. Apple canker, caused by the fungus Neonectria galligena formerly Nectria galligena. [2] Ash bacterial canker, now understood to be caused by the bacterium Pseudomonas savastanoi, rather than Pseudomonas syringae.
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
Pseudomonas syringae overwinters on infected plant tissues such as regions of necrosis or gummosis (sap oozing from wounds on the tree) but can also overwinter in healthy looking plant tissues. In the spring, water from rain or other sources will wash the bacteria onto leaves/blossoms where it will grow and survive throughout the summer. [16]
Ceratocystis canker Ceratocystis fimbriata: Cytospora canker Cytospora leucostoma Leucostoma persoonii [teleomorph] Dematophora root rot Rosellinia necatrix Dematophora necatrix [anamorph] Eutypa dieback Eutypa lata Cytosporina spp. [anamorph] Green fruit rot Botrytis cinerea Botrytis cinerea [teleomorph] Sclerotinia sclerotiorum. Leaf spot