Photo 1. Early symptoms of sorghum streaky spot, Xanthomonas vasicola pv. holcicola, showing reddish-brown short rectangular spots.
Photo 2. Early infection: small oval to rectangular reddish-brown spots of Xanthomonas vasicola pv. holcicola.
Photo 3. Infection of sorghum by streaky spot, Xanthomonas vasicola pv. holcicola. As the leaves age, so the spots enlarge and some join together. The stems are also infected.
Sorghum streaky spot, bacterial leaf streak
Xanthomonas vasicola pv. holcicola; previously, Xanthomonas campestris pv. holcicola.
AUTHORS Helen Tsatsia & Grahame Jackson
Information from CABI (2015) Xanthomonas vasicola pv. holicicola (streaky spot) Crop Protection Compendium. (http://www.cabi.org/cpc/).
Produced with support from the Australian Centre for International Agricultural Research under project PC/2010/090: Strengthening integrated crop management research in the Pacific Islands in support of sustainable intensification of high-value crop production, implemented by the University of Queensland and the Secretariat of the Pacific Community.
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