EPPO Global Database

Ralstonia solanacearum(RALSSO)

Photos

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For publication in journals, books or magazines, permission should be obtained from the original photographers with a copy to EPPO.

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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)