Symptom Gallery

Varietal Response Sequence

Hover over image to see photo information.


Zebra Chip Rating Scale
Title:  Texas Raw Tuber ZC Grading Scale
Description:  Scale used to grade Zebra Chip infection in raw tubers
Photo by:  Charlie Rush – 2011

Zebra Chip Rating Scale
Title:  New Zealand ZC Fried Tuber Scale
Description:  Scale used to grade Zebra Chip infection in fried tubers<br
Photo by:  Andrew Pitman – 2012

Here are some tuber pictures that show how Zebra Chip looks in several varieties of potatoes. All varieties have been infected with Zebra Chip.  Where provided, control (un-infected) examples are given.  This section includes production and experimental varieties.

Zebra Chip Rating Scale
Title:  Atlantic
Description:  Zebra Chip infected Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  NY 139 Cage 5-15
Description:  NY 139 ZC Cornell University compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  N7075 Cage 2-14
Description:  N7075 Bejo Seed compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  NDTX049265-2WRSp/Y Texas A&M Cage 10-14
Description:  NDTX049265-2WRSp/Y Texas A&M compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  AOTX96084-1Ru Cage 6-15
Description:  AOTX96084-1Ru Texas A&M compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  Harley Blackwells (Gen 2) Cage 5-14
Description:  Harley Blackwells (Gen 2) Blackgold compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010Zebra Chip Rating Scale
Title:  Harley Blackwells (Gen 2) Cage 5-14
Description:  Harley Blackwells (Gen 2) Blackgold
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  N7603 Cage 4-15
Description:  N7603 Bejo Seed compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  NDTX059828-2W Cage 11-14
Description:  NDTX059828-2W Texas A&M compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  N7491 Cage 4-14
Description:  N7491 Bejo Seed compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  N7140 Cage 2-15
Description:  N7140 Bejo Seed compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  TX05249-10W Cage 13-14
Description:  TX05249-10W Texas A&M compared to Atlantic Control
Photo by:  Joseph Munyaneza – 2010Zebra Chip Rating Scale
Title:  TX05249-10W Cage 13-14
Description:  TX05249-10W Texas A&M
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  ZC08 Cage 20-1
Description:  ZC08 Frito Lay
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  ZC17 Cage 21-3
Description:  ZC17 Frito Lay
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Rating Scale
Title:  ZC42 Cage 24-7
Description:  ZC42 Frito Lay
Photo by:  Joseph Munyaneza – 2010

From 2010 through 2012, 16 Lines were tested for resistance to ZC. Here are the results.
All lines were exposed to Liberibacter. The fried examples are from the raw tubers pictured.

Zebra Chip Rating Scale
Title:  ZC42 Cage 24-7
Description:  ZC42 Frito Lay
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Infected tuber
Title:  A03988-2
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  A03988-2
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  A05379-69
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  A05379-69
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  A06968-4
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  A06968-4
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  Augusta
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  Augusta
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC36
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC36
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC60
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC60
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC61
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC61
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC64
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC64
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC65
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC65
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC68
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC68
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC71
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC71
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC72
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC72
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC73
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC73
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  OR05070-1
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  OR05070-1
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  OR05075-1
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  OR05075-1
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  OR05081-1
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  OR05081-1
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  Satiange
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  Satiange
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Four New Lines in 2012
Control tuber
Title:  ARS7008, 00-3115-2
Description:  Raw Control example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ARS7008, 00-3115-2
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Control tuber
Title:  ARS7009, 00-3115-11
Description:  Raw Control example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ARS7009, 00-3115-11
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Control tuber
Title:  ARS7008, 00-3115-2
Description:  Fried Control example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ARS7008, 00-3115-2
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Control tuber
Title:  ARS7009, 00-3115-11
Description:  Fried Control example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ARS7009, 00-3115-11
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Control tuber
Title:  Bejo Seed BS2
Description:  Raw Control example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  Bejo Seed BS2
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Control tuber
Title:  ZC74
Description:  Raw Control example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC74
Description:  Raw exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Control tuber
Title:  Bejo Seed BS2
Description:  Fried Control example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  Bejo Seed BS2
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Control tuber
Title:  ZC74
Description:  Fried Control example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Zebra Chip Infected tuber
Title:  ZC74
Description:  Fried exposed example from the 2012 ZC Resistance Screening Trial.
Photo by:  Joseph Munyaneza – 2012

Here is how the different varieties look after they have been baked.

Zebra Chip Infected tuber
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Infected tuber – Baked Potatoes
Photo by:  Joseph Munyaneza – 2010

Zebra Chip Infected tuber
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Infected tuber – Baked Potatoes
Photo by:  Joseph Munyaneza – 2010

Steam peeled varieties for french fries.

Steam Pealed Russet Ranger Potatoes
Title:  Steam Pealed Russet Ranger Potatoes
Description:  Steam Pealed Russet Ranger Potatoes
Photo by:  Phil Hamm – 2011

Steam Pealed Russet Ranger Potatoes
Title:  Steam Pealed Russet Ranger Potatoes
Description:  Steam Pealed Russet Ranger Potatoes
Photo by:  Phil Hamm – 2011

Steam Pealed Russet Ranger Potatoes
Title:  Steam Pealed Russet Ranger Potatoes
Description:  Steam Pealed Russet Ranger Potatoes
Photo by:  Phil Hamm – 2011

Steam Pealed Russet Ranger Potatoes
Title:  Steam Pealed Russet Burbank Potatoes
Description:  Steam Pealed Russet Burbank Potatoes
Photo by:  Phil Hamm – 2011

Steam Pealed Russet Ranger Potatoes
Title:  Steam Pealed Russet Burbank Potatoes
Description:  Steam Pealed Russet Burbank Potatoes
Photo by:  Phil Hamm – 2011

Steam Pealed Russet Ranger Potatoes
Title:  Steam Pealed Russet Burbank Potatoes
Description:  Steam Pealed Russet Burbank Potatoes
Photo by:  Phil Hamm – 2011

Steam Pealed Russet Umatilla Potatoes
Title:  Steam Pealed Russet Umatilla Potatoes
Description:  Steam Pealed Russet Umatilla Potatoes
Photo by:  Phil Hamm – 2011

Miscellaneous Symptoms

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  ZC infected tuber – Fried
Photo by:  Photo by Joseph Munyaneza – 2010

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  Creighton Miller

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra Chip Disease symptoms
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  PCR Pos. with OA2-OI2c primer-set
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  PCR Pos. 2
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  ZC example – Raw & Fried
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  ZC example – Raw & Fried 2 – Healthy
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  ZC example – Healthy
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Fried zebra chip potatos
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  Zebra chip infected potato plant
Photo by:  ?

Disease symptoms
Title:  Zebra Chip Infected tuber
Description:  >Common symptoms include chlorosis, leaf scorching, swollen nodes, vascular tissue browning, and curled leaves
Photo by:  ?

ZC infected plant
Title:  ZC infected plant
Description:  > ZC infected plant at Weslaco 02, 2012
Photo by:  Don Henne – 2012

ZC infected tuber
Title:  ZC infected tuber
Description:  > ZC infected tuber at Weslaco 02, 2012
Photo by:  Don Henne – 2012

Leaf sample
Title:  Leaf sample
Description:  > Sampling for potato psyllid – leaf sample
Photo by:  Whitney Cranshaw -2011

Sorting Steam Pealed Potatoes
Title:  Sorting Steam Pealed Potatoes
Description:  Sorting Steam Pealed Potatoes
Photo by:  Phil Hamm – 2011

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Betsy Pierson – 2010

ZC infected plant
Title:  ZC symptomatic plant
Description:  ZC symptomatic plant
Photo by:  Fekede Workneh – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Jacob Price – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Jianchi Chen – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Jianchi Chen – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Joseph Munyaneza – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Bob Harveson – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Bob Harveson – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Bob Harveson – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Bob Harveson – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant – early infection
Photo by:  Bob Harveson – 2010

ZC infected plant
Title:  ZC infected plant
Description:  ZC infected plant
Photo by:  Bob Harveson – 2010

ZC example
Title:  ZC example – Raw & Fried
Description:  ZC example – Raw & Fried
Photo by:  Jianchi Chen -2010

ZC infected tuber
Title:  ZC infected tuber – Raw & Fried
Description:  ZC infected tuber – Raw & Fried
Photo by:  Jianchi Chen -2010