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Xylella

Kingdom: Monera
Phylum: Proteobacteria
Class: Gammaproteobacteria
Order: Xanthomonadales
Family: Xanthomonadaceae
Genus: Xylella
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Image Subject Name Scientific Name Description
5424388 bacterial leaf scorch Xylella fastidiosa Leaves of boxelder with marginal leaf scorch caused by the bacterium, Xylella fastidiosa.
5424396 bacterial leaf scorch Xylella fastidiosa Leaves of common mulberry showing marginal leaf scorch with yellow border caused by the bacterium, Xylella fastidiosa.
5424397 bacterial leaf scorch Xylella fastidiosa Leaves of common mulberry showing marginal leaf scorch with dark brown and yellow banded border between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424398 bacterial leaf scorch Xylella fastidiosa Single leaf of common mulberry showing marginal leaf scorch with dark brown and yellow banded border between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424407 bacterial leaf scorch Xylella fastidiosa Leaves of red maple showing marginal leaf scorch with diffuse yellow border between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424408 bacterial leaf scorch Xylella fastidiosa Single leaf of red maple showing marginal leaf scorch with diffuse yellow border between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424409 bacterial leaf scorch Xylella fastidiosa Leaves of red maple showing marginal leaf scorch with distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424413 bacterial leaf scorch Xylella fastidiosa Leaf of bur oak showing non-continuous band of colors caused by the bacterium, Xylella fastidiosa.
5424415 bacterial leaf scorch Xylella fastidiosa Leaf of pin oak showing distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424416 bacterial leaf scorch Xylella fastidiosa Leaf of pin oak showing mostly scorched tissue but for a small area near the base where there are distinct bands of discolored tissue caused by the bacterium, Xylella fastidiosa.
5424417 bacterial leaf scorch Xylella fastidiosa Leaves of pin oak showing varying degrees of scorched and banded tissue caused by the bacterium, Xylella fastidiosa.
5424418 bacterial leaf scorch Xylella fastidiosa Leaves of pin oak showing varying degrees of scorched and bands of colors caused by the bacterium, Xylella fastidiosa.
5424419 bacterial leaf scorch Xylella fastidiosa Entire tree showing leaf scorch symptoms due to the bacterium, Xylella fastidiosa.
5424420 bacterial leaf scorch Xylella fastidiosa Tree showing dieback due to the bacterium, Xylella fastidiosa.
5424421 bacterial leaf scorch Xylella fastidiosa Red oak tree showing scorching of leaves on random branches caused by the bacterium, Xylella fastidiosa.
5424411 bacterial leaf scorch Xylella fastidiosa Leaf of a maple species showing marginal leaf scorch with broad, distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424412 bacterial leaf scorch Xylella fastidiosa Leaves of common mulberry with early symptoms of bacterial leaf scorch caused by the bacterium, Xylella fastidiosa.
5424414 bacterial leaf scorch Xylella fastidiosa Leaves of English oak show distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424425 bacterial leaf scorch Xylella fastidiosa Leaves of shingle oak with distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424423 bacterial leaf scorch Xylella fastidiosa 2 leaves of scarlet oak with distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424424 bacterial leaf scorch Xylella fastidiosa Leaf of scarlet oak with some banding of colors between scorched and symptomless tissue but barely any yellow band.
5424422 bacterial leaf scorch Xylella fastidiosa Leaves of red oak showing scorching and bands of colors caused by the bacterium, Xylella fastidiosa.
5424452 bacterial leaf scorch Xylella fastidiosa Single leaf of sweetgum showing distinct bands of discoloration between scorched and symptomless tissue caused by the bacterium, Xylella fastidiosa.
5424453 bacterial leaf scorch Xylella fastidiosa Leaves of sycamore with scorch symptoms caused by the bacterium, Xylella fastidiosa.  banding of color is not nearly as distinct as with other tree types.

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