Xanthomonas translucens

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Xanthomonas translucens symptoms on flag leaves of wheat (click on image to enlarge it)
Author(s): E.A. Milus, University of Arkansas
Source: IPM Images

Xanthomonas translucens (ex Jones, Johnson & Reddy 1917) Vauterin, Hoste, Kersters & Swings 1995 - (bacterial leaf streak of cereals)

This bacterium is widely distributed and causes wilt and leaf streak diseases. It infects a large variety of crops, in particular cereals and grasses. Yield losses are typically 10% or less, but on highly susceptible cultivars, severe infection can cause up to 40% yield losses. Various pathovars have been described, and these typically have a narrow host range.

Xanthomonas translucens pv. arrhenatheri - on Arrhenatherum
Xanthomonas translucens pv. cerealis - on barley and Bromus
Xanthomonas translucens pv. graminis - on grasses of the genera on Lolium and Dactylis
Xanthomonas translucens pv. phlei - causes bacterial wilt on forage grasses of the genus Phleum
Xanthomonas translucens pv. phleipratensis - on Phleum pratensis
Xanthomonas translucens pv. pistaciae - on pistachio
Xanthomonas translucens pv. poae - on annual bluegrass
Xanthomonas translucens pv. secalis - causing bacterial leaf streak of rye
Xanthomonas translucens pv. translucens - on barley
Xanthomonas translucens pv. undulosa - on cereals and Asparagus

For a review see Sapkota et al. (2020).

Vernacular names
• English: bacterial leaf streak of cereals
bacterial leaf streak of wheat
grass bacterial wilt
black chaff of wheat
bacterial wilt of grasses

Synonyms:
Xanthomonas campestris pv. undulosa
Xanthomonas campestris pv. graminis
Xanthomonas campestris pv. translucens
Xanthomonas campestris pv. hordei
Xanthomonas campestris pv. phlei
Xanthomonas campestris pv. cerealis