Abstract
SUMMARY Trials relating response to nematicide to potato cyst nematode density were conducted initially in the West Midlands and later in other Regions. Thirteen trials, only three of which were within the intensive potato growing areas, conformed to a general pattern with yield losses being largely recouped by nematicide treatment. Five trials, four within the intensive areas, gave no correlation between potato yield and nematode density and an unpredictable response to nematicide. The control of the nematode appeared to be poorer in the latter trials but other factors affecting yield and nematode multiplication may have been involved. It is speculated the main factor might be interaction with fungal organisms e.g. Rhizoctonia or Verticillium. Evidence is presented to show that on several trials the nematicide has an effect other than by controlling potato cyst nematodes. Yield losses caused by potato cyst nematodes are more variable than previous work indicated, probably due to varietal, seasonal or environmental influences.
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Claims 6
Claim · model-written summary
Nematicide largely recouped potato yield losses in thirteen trials.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- nematicide treatmente0
- Outcome
- yield lossese0
- Direction
- recoupede0
- Value
- Thirteen trialse0
Not reportedInteractorComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thirteen trials, only three of which were within the intensive potato growing areas, conformed to a general pattern with yield losses being largely recouped by nematicide treatment”
Claim · model-written summary
Five trials found no correlation between potato yield and nematode density.
- Taxon
- potatoSolanum tuberosume0
- Outcome
- potato yielde0
- Direction
- no correlatione0
- Value
- Five trialse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five trials, four within the intensive areas, gave no correlation between potato yield and nematode density”
Claim · model-written summary
Five trials showed an unpredictable response to nematicide.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- nematicidee0
- Outcome
- response to nematicidee0
- Value
- Five trialse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Five trials, four within the intensive areas, gave no correlation between potato yield and nematode density and an unpredictable response to nematicide”
Claim · model-written summary
Nematode control appeared poorer in the trials with unpredictable yield response.
- Taxon
- potatoSolanum tuberosume0
- Outcome
- control of the nematodee1
- Direction
- poorere1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“potato cyst nematode density”
e1“The control of the nematode appeared to be poorer in the latter trials”
Claim · model-written summary
In several trials, nematicide affected potato yield through an effect beyond nematode control.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- nematicidee1
- Interactor
- potato cyst nematodese1pest
- Outcome
- effect other than by controlling potato cyst nematodese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“response to nematicide to potato cyst nematode density”
e1“on several trials the nematicide has an effect other than by controlling potato cyst nematodes”
Claim · model-written summary
Potato yield losses caused by cyst nematodes were more variable than previous work indicated.
- Taxon
- potatoSolanum tuberosume0
- Interactor
- potato cyst nematodese0pest
- Outcome
- Yield lossese0
- Direction
- more variablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Yield losses caused by potato cyst nematodes are more variable than previous work indicated”
The same questions in other papers
insecticide · yield · Solanum tuberosum (potato)Results differ
21 papers in the same direction as this paper · 9 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- positive
- no effect
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.