Bacterial leaf scorch

Bacterial leaf scorch
Large pin oak (Quercus palustris) stricken with bacterial leaf scorch during leaf-out
Common namesBLS
Causal agentsXylella fastidiosa
Hoststrees and crops
Vectorsleafhoppers

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.[1] It can be mistaken for ordinary leaf scorch caused by cultural practices such as over-fertilization.[1]

  1. ^ a b "Forest Health Protection - Northeastern Area State and Private Forestry". www.fs.usda.gov. Archived from the original on 2019-06-07. Retrieved 2019-06-11.
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