Ralstonia solanacearum species complex(RALSSO)
Photos
For publication in journals, books or magazines, permission should be obtained from the original photographers with a copy to EPPO.
Transverse sections of potato tubers showing browning and necrosis of the vascular ring and immediately surrounding tissues.
Courtesy: Ministry of Agriculture (TR).
Bacterial ooze from potato eye (right).
Courtesy: Dr Janse, PD Wageningen (NL).
Symptoms of R. solanacearum on cut tuber.
Courtesy: Dr Janse, PD Wageningen (NL).
Potato plant in pot showing wilt symptoms.
Courtesy: Central Science Laboratory, York (GB) - British Crown.
Bacterial ooze from cut stem suspended in water.
Courtesy: Dr Janse, PD Wageningen (NL).
Foliar symptoms caused by Ralstonia solanacearum.
Courtesy: Dr Janse, PD Wageningen (NL).
Foliar symptoms caused by Ralstonia solanacearum.
Courtesy: Dr Janse, PD Wageningen (NL).
Wilt symptoms on a potato plant.
Courtesy: Plant Protection Service, Wageningen (NL).
External symptoms on potato tuber.
Courtesy: Plant Protection Service, Wageningen (NL).
Bacterial ooze exuding from eye of potato tuber.
Courtesy: Central Science Laboratory, York (GB) - British Crown
Photos taken in 2010. Location: Hungary.
Courtesy: Varga András Retired agricultural mycologist (amateur photographer)
Photos taken in 2003. Location: Hungary.
Courtesy: Varga András Retired agricultural mycologist (amateur photographer)
Photos taken in 2003. Location: Hungary.
Courtesy: Varga András Retired agricultural mycologist (amateur photographer)
Typical brown discoloration of the vascular ring and slime oozing from the infected tissue. Black necrotic tissue is due to secondary rot.
Courtesy: Plant Protection Service, Wageningen (NL)
Rosa sp. (tea rose) Dieback with black necrosis of pruned branches and discharge of slime on cut wounds in the stem.
Courtesy: N. Tjou-Tam-Sin (Leon); NPPO-NL, National Reference Center
Rosa flower stalk with necrotic wilt in younger leaves and starting leaf yellowing (towards bottom right).
Courtesy: N. Tjou-Tam-Sin (Leon); NPPO-NL, National Reference Center
Rosa flower stalk with necrotic wilted leaves
Courtesy: N. Tjou-Tam-Sin (Leon); NPPO-NL, National Reference Center
Rosa sp. (tea rose) Creamy brown discoloration of woody tissue in the stem and discharge of cream coloured slime on cut wounds.
Courtesy: N. Tjou-Tam-Sin (Leon); NPPO-NL, National Reference Center
Curcuma plant infected with Ralstonia solanacearum showing a brown discoloration of the basis of the stem and of the roots
Courtesy: Maria Bergsma-Vlami (NPPO-NL)
Root system, including the rhizomes, of a Curcuma plant infected with Ralstonia solanacearum showing brown discoloration of the basis of the stem and of the roots
Courtesy: Maria Bergsma-Vlami (NPPO-NL)
Basal stem of a Curcuma plant infected with Ralstonia solanacearum showing intense brown discoloration
Courtesy: Maria Bergsma-Vlami (NPPO-NL)
Wilted Pelargonium plant infected with Ralstonia solanaceaum.
Courtesy: John Elphinstone (Defra, Crown Copyright)
Ralstonia solanacearum colonies growing on semi selective SMSA medium
Courtesy: John Elphinstone (Defra, Crown Copyright)
Tomato stem infected with Ralstonia solanacaeum showing bacterial ooze from cut vascular tissues.
Courtesy: John Elphinstone (Defra, Crown Copyright)
Photos taken in 2010. Location: Hungary.
Courtesy: Varga András Retired agricultural mycologist (amateur photographer)
Wilted potato plant infected with Ralstonia solanacearum.
Courtesy: John Elphinstone (Defra, Crown Copyright)
Potato tuber with brown rot symptoms showing bacterial ooze from cut vascular tissues.
Courtesy: John Elphinstone (Defra, Crown Copyright)
Curcuma plant infected with Ralstonia solanacearum showing yellowing of the lower leaves and a brown discoloration of the stems, especially the flower stems
Courtesy: Maria Bergsma-Vlami (NPPO-NL)
Foliar symptoms of Bacterial wilt on potato plant caused by the Ralstonia solanacearum species complex (2017)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)
Bacterial ooze exuding from eye of potato tuber (2014)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)
Ralstonia solanacearum species complex colonies growing on Kelman medium (2016)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)
Bacterial wilt symptoms on potato plant caused by the Ralstonia solanacearum species complex (2017)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)
Bacterial wilt symptoms on potato plant caused by the Ralstonia solanacearum species complex (2017)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)
Ralstonia solanacearum species complex colonies growing on Kelman medium (2016)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)
Symptom of Bacterial wilt caused by the Ralstonia solanacearum species complex showing brown discoloration of vascular tissues in the stem (2014)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)
Foliar symptoms of Bacterial wilt on potato plant caused by the Ralstonia solanacearum species complex (2017)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)
Wilted tomato plant (cv. Moneymaker) infected with Ralstonia solanacearum.
Courtesy: John Elphinstone (Defra, Crown Copyright)
Potato brown rot symptoms on tuber showing bacterial ooze from cut vascular tissues (2013)
Courtesy: Dr. Ravelomanantsoa, SH Plant pathology laboratory, DRA, CENRADERU/FOFIFA, Antananarivo (MG)