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Pathogen

Xanthomonas translucens pv. undulosa

Overview

Scientific name

Xanthomonas translucens pv. undulosa
Genus

Xanthomonas
EPPO code

XANTTU
Common name

Bacterial Leaf Streak
Synonyms

Xanthomonas campestris pv. undulosa

Description

A bacterial wheat pathogen causing the disease bacterial leaf streak and bacterial black chaff, this polycyclic pathogen can cause sever yield loss under favorable conditions. Survival can occur in seed, soil and field debris, as well as in perennial weeds. DNA testing of seed and suspected plant material is advised for positive identification. 

Images of Xanthomonas translucens pv. undulosa

Xanthomonas translucens pv. undulosa on Triticum spp.
click for more information

Xanthomonas translucens pv. undulosa on Triticum spp.

Image credits: Nicole Calliou, CA

Xtu is the cause of Bacterial Leaf Streak, with longitudinal chlorotic/necrotic lesions shown on these symptomatic leaves submitted for DNA testing


DNA testing: Confirmed via qPCR

Xanthomonas translucens pv. undulosa on Triticum spp.
click for more information

Xanthomonas translucens pv. undulosa on Triticum spp.

Image credits: Nicole Calliou, CA

Xtu is the cause of Bacterial Leaf Streak, with longitudinal chlorotic/necrotic lesions shown on these symptomatic leaves submitted for DNA testing


DNA testing: Confirmed via qPCR

Xanthomonas translucens pv. undulosa on Triticum spp.
click for more information

Xanthomonas translucens pv. undulosa on Triticum spp.

Image credits: Nicole Calliou, CA

Xtu is the cause of Bacterial Leaf Streak, with longitudinal chlorotic/necrotic lesions shown on these symptomatic leaves submitted for DNA testing


DNA testing: Confirmed via qPCR