Abstract
SUMMARY In field trials Cara, Brio, Maris Piper and Pentland Javelin were consistently more tolerant of damage by Globodera rostochiensis yielding more than Corsair, Pentland Dell, Maris Anchor and Maris Peer, in untreated, heavily infested soil and giving the smallest increases to nematicide treatment. No yield or growth differences were found between plants in untreated and nematicide treated plots at a nematode‐free site. The most tolerant cultivars all had a gene (H 1 ) for resistance to G. rostochiensis derived from Solanum tuberosum ssp. andigena and in soil infested with G. pallida the tolerance of at least one resistant cultivar (Maris Piper) appeared to be lessened. However, some resistant cultivars were comparatively intolerant, even to G. rostochiensis. Early cultivars were generally less tolerant than late maturing cultivars but there were exceptions. Amongst cultivars with resistance derived from Solanum vernei the early cultivar Guardian was more tolerant than the main crop cultivar Corsair. The effect on the yield of several cultivars of a range of densities of G. rostochiensis , produced either by applying different rates of a nematicide or by cropping in the previous year, was examined at two sites. The results indicated that the slope of the regression for yield in relation to nematode density was less for tolerant than intolerant cultivars. At sites infested with G. rostochiensis Maris Piper was found to be consistently more tolerant than Pentland Crown.
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Claims 10
Claim · model-written summary
Cara, Brio, Maris Piper and Pentland Javelin yielded more than the listed less tolerant cultivars in heavily infested untreated soil.
- Taxon
- potato
Solanum tuberosumt0 - Material
- Cara, Brio, Maris Piper and Pentland Javeline0
- Interactor
- Globodera rostochiensis
Globodera rostochiensise0pathogen - Outcome
- yielding moree0
- Direction
- moree0
- Comparator
- Corsair, Pentland Dell, Maris Anchor and Maris Peere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cara, Brio, Maris Piper and Pentland Javelin were consistently more tolerant of damage by Globodera rostochiensis yielding more than Corsair, Pentland Dell, Maris Anchor and Maris Peer, in untreated, heavily infested soil”
t0“potato cultivars”
Claim · model-written summary
The more tolerant cultivars had the smallest yield increases after nematicide treatment.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- nematicide treatmente0
- Outcome
- smallest increasese0
- Direction
- smallest increasese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“giving the smallest increases to nematicide treatment”
t0“potato cultivars”
Claim · model-written summary
No yield or growth differences were found after nematicide treatment at the nematode-free site.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- nematicide treated plotse0
- Outcome
- yield or growth differencese0
- Direction
- Noe0
- Comparator
- untreatede0
- Setting
- nematode‐free sitee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“No yield or growth differences were found between plants in untreated and nematicide treated plots at a nematode‐free site”
t0“potato cultivars”
Claim · model-written summary
The most tolerant cultivars carried H 1 resistance to G. rostochiensis.
- Taxon
- potatoSolanum tuberosumt0
- Interactor
- G. rostochiensisGlobodera rostochiensise0pathogen
- Gene
- H 1e0
- Outcome
- resistance to G. rostochiensise0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The most tolerant cultivars all had a gene (H 1 ) for resistance to G. rostochiensis derived from Solanum tuberosum ssp. andigena”
t0“potato cultivars”
Claim · model-written summary
Maris Piper tolerance appeared lessened in soil infested with G. pallida.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Maris Pipere0
- Interactor
- G. pallidaGlobodera pallidae0pathogen
- Outcome
- tolerancee0
- Direction
- lessenede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in soil infested with G. pallida the tolerance of at least one resistant cultivar (Maris Piper) appeared to be lessened”
t0“potato cultivars”
Claim · model-written summary
Some resistant cultivars were comparatively intolerant to G. rostochiensis.
- Taxon
- potatoSolanum tuberosumt0
- Material
- resistant cultivarse0
- Interactor
- G. rostochiensisGlobodera rostochiensise0pathogen
- Outcome
- comparatively intolerante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“some resistant cultivars were comparatively intolerant, even to G. rostochiensis”
t0“potato cultivars”
Claim · model-written summary
Early cultivars were generally less tolerant than late maturing cultivars, with exceptions.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Early cultivarse0
- Outcome
- tolerante0
- Direction
- lesse0
- Qualifier
- there were exceptionse0
- Comparator
- late maturing cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Early cultivars were generally less tolerant than late maturing cultivars but there were exceptions”
t0“potato cultivars”
Claim · model-written summary
Guardian was more tolerant than Corsair among cultivars with resistance from Solanum vernei.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Guardiane0
- Outcome
- tolerante0
- Direction
- moree0
- Qualifier
- resistance derived from Solanum verneie0
- Comparator
- Corsaire0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Amongst cultivars with resistance derived from Solanum vernei the early cultivar Guardian was more tolerant than the main crop cultivar Corsair”
t0“potato cultivars”
Claim · model-written summary
Yield regressed less steeply against nematode density in tolerant cultivars.
- Taxon
- potatoSolanum tuberosumt0
- Material
- tolerante0
- Outcome
- slope of the regression for yield in relation to nematode densitye0
- Direction
- lesse0
- Comparator
- intolerant cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the slope of the regression for yield in relation to nematode density was less for tolerant than intolerant cultivars”
t0“potato cultivars”
Claim · model-written summary
Maris Piper was consistently more tolerant than Pentland Crown at G. rostochiensis-infested sites.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Maris Pipere0
- Interactor
- G. rostochiensisGlobodera rostochiensise0pathogen
- Outcome
- tolerante0
- Direction
- moree0
- Comparator
- Pentland Crowne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At sites infested with G. rostochiensis Maris Piper was found to be consistently more tolerant than Pentland Crown”
t0“potato cultivars”
The same questions in other papers
insecticide · yield · Solanum tuberosum (potato)Results differ
9 papers in the same direction as this paper · 22 in the opposite direction
- no effect
- positive
- positive
28 papers more in this group
See all 32 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.