Abstract
The responses of 14 potato cultivars to five Potato virus Y (PVY) isolates belonging to four strains (ordinary [PVY O ], tobacco veinal necrosis [PVY N ], N:O group [PVY N:O ], and nonrecombinant potato tuber necrotic [PVY NTN ]) were studied in primary and secondary infections. For the primary infection experiments, foliage symptoms were monitored daily after mechanical inoculation with a PVY isolate until harvest; and, for the secondary infection experiments, foliage symptoms were monitored regularly from plant emergence until harvest. Tuber symptoms (namely, tuber necrotic ringspots) were checked at harvest and monthly postharvest for up to 4 months. In both infections, symptoms varied significantly depending on potato cultivar and virus strain or isolate. In primary infections, local lesions occurred on inoculated leaves of ‘AC Chaleur’, ‘Eramosa’, ‘Goldrush’, ‘Jemseg’, ‘Katahdin’, ‘Ranger Russet’, and ‘Yukon Gold’ after inoculation with PVY O isolates, followed by systemic necrosis on latterly emerged uninoculated leaves. In contrast, plants of ‘CalWhite’, ‘La Rouge’, ‘Red LaSoda’, ‘Russet Burbank’, ‘Russet Norkotah’, and ‘Superior’ did not exhibit any visible symptoms on inoculated leaves but developed mild to severe mosaic on latterly emerged leaves after infection with PVY O isolates. In all cultivars, near-symptomless to mild mosaic was induced by PVY N and mild to severe mosaic by PVY N:O . PVY NTN induced mild to severe mosaic in plants of all cultivars except AC Chaleur, ‘Cherokee’, and Yukon Gold, which developed visible systemic necrosis. Necrotic ringspots were observed in tubers of PVY NTN -infected plants of AC Chaleur, Cherokee, and Yukon Gold. The tuber symptoms were also incited by PVY N -Jg on Cherokee. In secondary infections, the symptoms were generally more severe than primary infections even though the symptom types did not alter. As in the greenhouse, a clear symptom severity pattern (PVY O -FL > PVY O -RB > PVY NTN -Sl > PVY N:O -Mb58 > PVY N -Jg) was observed in AC Chaleur, Cherokee, Eramosa, Goldrush, Jemseg, Katahdin, Ranger Russet, and Yukon Gold in the field.
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Claims 10
Claim · model-written summary
Symptom variation depended significantly on potato cultivar and viral strain or isolate.
- Taxon
- Potato
Solanum tuberosumt0 - Material
- potato cultivare0
- Interactor
- Potato virus Y
Potato virus Yt0pathogen - Outcome
- symptomse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“symptoms varied significantly depending on potato cultivar and virus strain or isolate”
t0“Potato Cultivars to Five Isolates Belonging to Four Strains of Potato virus Y”
Claim · model-written summary
Seven potato cultivars developed local lesions then systemic necrosis after PVY O inoculation.
- Taxon
- PotatoSolanum tuberosumt0
- Treatment
- inoculation with PVY O isolatese0
- Interactor
- PVY Oe0pathogen
- Outcome
- local lesionse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“local lesions occurred on inoculated leaves of ‘AC Chaleur’, ‘Eramosa’, ‘Goldrush’, ‘Jemseg’, ‘Katahdin’, ‘Ranger Russet’, and ‘Yukon Gold’ after inoculation with PVY O isolates, followed by systemic necrosis”
t0“Potato Cultivars”
Claim · model-written summary
Six potato cultivars showed no inoculated-leaf symptoms but developed mosaic on later leaves after PVY O infection.
- Taxon
- PotatoSolanum tuberosumt0
- Interactor
- PVY Oe0pathogen
- Outcome
- mild to severe mosaice0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“‘CalWhite’, ‘La Rouge’, ‘Red LaSoda’, ‘Russet Burbank’, ‘Russet Norkotah’, and ‘Superior’ did not exhibit any visible symptoms on inoculated leaves but developed mild to severe mosaic on latterly emerged leaves after infection with PVY O isolates”
t0“Potato Cultivars”
Claim · model-written summary
PVY N caused near-symptomless to mild mosaic in all cultivars.
- Taxon
- PotatoSolanum tuberosumt0
- Interactor
- PVY Ne0pathogen
- Outcome
- near-symptomless to mild mosaice0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In all cultivars, near-symptomless to mild mosaic was induced by PVY N”
t0“Potato Cultivars”
Claim · model-written summary
PVY N:O caused mild to severe mosaic in all cultivars.
- Taxon
- PotatoSolanum tuberosumt0
- Interactor
- PVY N:Oe0pathogen
- Outcome
- mild to severe mosaice0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“mild to severe mosaic by PVY N:O”
t0“Potato Cultivars”
Claim · model-written summary
PVY NTN induced mosaic in most cultivars but systemic necrosis in three named cultivars.
- Taxon
- PotatoSolanum tuberosumt0
- Interactor
- PVY NTNe0pathogen
- Outcome
- mild to severe mosaice0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PVY NTN induced mild to severe mosaic in plants of all cultivars except AC Chaleur, ‘Cherokee’, and Yukon Gold, which developed visible systemic necrosis”
t0“Potato Cultivars”
Claim · model-written summary
PVY NTN infected tubers of three cultivars developed necrotic ringspots.
- Taxon
- PotatoSolanum tuberosumt0
- Interactor
- PVY NTNe0pathogen
- Outcome
- Necrotic ringspotse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Necrotic ringspots were observed in tubers of PVY NTN -infected plants of AC Chaleur, Cherokee, and Yukon Gold”
t0“Potato Cultivars”
Claim · model-written summary
PVY N-Jg also caused tuber symptoms on Cherokee.
- Taxon
- PotatoSolanum tuberosumt0
- Material
- Cherokeee0
- Interactor
- PVY N -Jge0pathogen
- Outcome
- tuber symptomse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“tuber symptoms were also incited by PVY N -Jg on Cherokee”
t0“Potato Cultivars”
Claim · model-written summary
Secondary infections had generally more severe symptoms than primary infections without changing symptom types.
- Taxon
- PotatoSolanum tuberosumt0
- Outcome
- symptomse0
- Direction
- more severee0
- Comparator
- primary infectionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In secondary infections, the symptoms were generally more severe than primary infections even though the symptom types did not alter”
t0“Potato Cultivars”
Claim · model-written summary
Field symptom severity followed the reported order among five PVY isolates in eight cultivars.
- Taxon
- PotatoSolanum tuberosumt0
- Outcome
- symptom severity patterne0
- Setting
- fielde0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a clear symptom severity pattern (PVY O -FL > PVY O -RB > PVY NTN -Sl > PVY N:O -Mb58 > PVY N -Jg) was observed in AC Chaleur, Cherokee, Eramosa, Goldrush, Jemseg, Katahdin, Ranger Russet, and Yukon Gold in the field”
t0“Potato Cultivars”
The same questions in other papers
inoculation · disease · Solanum tuberosum (potato)Positive and negative results
52 papers in the same direction as this paper · 59 in the opposite direction · 1 reporting no difference from an alternative
- negative
- no effect
- negative
109 papers more in this group
See all 113 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.