Bacterial leaf scorch
|Bacterial leaf scorch|
Large pin oak (Quercus palustris) stricken with bacterial leaf scorch during leaf-out near the house at 988 Terrace Boulevard in Ewing, New Jersey
|Causal agents||Xylella fastidiosa|
|Hosts||trees and crops|
Bacterial leaf scorch (commonly abbreviated BLS, also called bacterial leaf spot) is a disease state affecting many crops, caused mainly by the xylem-plugging bacterium Xylella fastidiosa. It can be mistaken for ordinary leaf scorch caused by cultural practices such as over-fertilization.
Bacterial spot of peppers and tomatoes
Bacterial spot of peppers and tomatoes is caused by the bacteria Xanthomonas campestris pv. vesicatoria.
Bacterial spot of peaches
Bacterial spot of peaches is caused by the bacteria Xanthomonas campestris pv. pruni. Spots may form on the leaves and they can be mistaken for peach scab, which is caused by a fungus.
There are no known effective treatments for BLS, consequently, removal of affected plants is recommended.
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