Abstract
Summary The two species of the potato cyst nematodes (PCN) Globodera pallida and G rostochiensis are the most problematic pests of the potato crop in the UK. There are no commercially available cultivars with full resistance to G. pallida and both crop rotation and granular nematicides are less effective at controlling this species than G. rostochiensis . In situations of very high PCN levels it may be possible to reduce populations and yield losses by using an autumn application of the soil fumigant 1,3‐dichloropropene (1,3‐D) followed by a spring application of a granular nematicide. Two field experiments were done to look at the integration of methods for the control of PCN. The Common Field experiment (G. rostochiensis infested) compared the use of 1,3‐D with the granular nematicides aldicarb, oxamyl and fosthiazate when growing the susceptible cv. Estima. The Four Gates experiment (infested with both PCN species but mainly G rostochiensis) compared the performance of cv. Santé (partially resistant to G. pallida , fully resistant to G. rostochiensis) with that of the susceptible cv. Estima when treated with 1,3‐D and oxamyl at full and half‐rates. The results of the experiments show that an integrated approach to nematode control on heavily infested sites, including granular and fumigant nematicides and cultivar resistance, can lead to significant decreases in nematode population densities and reduce yield losses. An economic evaluation of the experiments modelled the gross margins from the different nematicide treatments. In Common Field, the highest gross margins were achieved with the combined use of fumigant and granular nematicides. In Four Gates, there was a clear economic benefit for both cultivars from the use of 1,3‐D. In this experiment, oxamyl was of economic value to Estima but not to Sante and full‐rate oxamyl was of more benefit than half‐rate to Estima.
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Claims 7
Claim · model-written summary
Integrated nematode control significantly decreases nematode population densities on heavily infested sites.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- an integrated approach to nematode controle0
- Outcome
- nematode population densitiese0
- Direction
- decreasese0
- Qualifier
- heavily infested sitese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an integrated approach to nematode control on heavily infested sites, including granular and fumigant nematicides and cultivar resistance, can lead to significant decreases in nematode population densities”
t0“potato”
Claim · model-written summary
Integrated nematode control reduces yield losses on heavily infested sites.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- an integrated approach to nematode controle0
- Outcome
- yield lossese0
- Direction
- reducee0
- Qualifier
- heavily infested sitese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an integrated approach to nematode control on heavily infested sites, including granular and fumigant nematicides and cultivar resistance, can lead to significant decreases in nematode population densities and reduce yield losses”
t0“potato”
Claim · model-written summary
Combined fumigant and granular nematicides achieved the highest gross margins at Common Field.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- combined use of fumigant and granular nematicidese0
- Outcome
- gross marginse0
- Direction
- higheste0
- Setting
- Common Fielde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Common Field, the highest gross margins were achieved with the combined use of fumigant and granular nematicides.”
t0“potato”
Claim · model-written summary
1,3-D provided an economic benefit for both cultivars at Four Gates.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 1,3‐De0
- Outcome
- economic benefite0
- Setting
- Four Gatese0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In Four Gates, there was a clear economic benefit for both cultivars from the use of 1,3‐D.”
t0“potato”
Claim · model-written summary
Oxamyl had economic value for Estima at Four Gates.
Not reportedComparatorDirection
Verbatim
e0“oxamyl was of economic value to Estima but not to Sante”
e1“In Four Gates, there was a clear economic benefit for both cultivars”
Claim · model-written summary
Oxamyl had no economic value for Sante at Four Gates.
Not reportedComparator
Verbatim
e0“oxamyl was of economic value to Estima but not to Sante”
e1“In Four Gates, there was a clear economic benefit for both cultivars”
Claim · model-written summary
Full-rate oxamyl had more economic benefit than half-rate oxamyl for Estima.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Estimae0
- Treatment
- full‐rate oxamyle0
- Outcome
- benefite0
- Direction
- moree0
- Comparator
- half‐ratee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“full‐rate oxamyl was of more benefit than half‐rate to Estima”
t0“potato”
The same questions in other papers
fumigant · yield · Solanum tuberosum (potato)Results agree
2 papers in the same direction as this paper
- positive
- positive
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
- no effect
- 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.