Abstract
Summary The effects of planting date and growing period of potato cultivars on their efficiency as trap crops for potato cyst nematodes (PCN) were studied. Plots were planted with susceptible or resistant cultivars in April, June and August and these were grown for 5, 6 or 7 wk before removal of the plants by hand lifting. Crops planted in June provided the best overall reductions in PCN population density of up to 95%, with cv. Santé significantly more effective than the other cultivars. Population reductions from the August planting were only slightly less than from planting in June but the tuber yields obtained were much greater: Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively, with 37% and 43% respectively, of a size useful for canning (i.e. between 20 and 40 mm diameter).
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Claims 8
Claim · model-written summary
June planting reduced potato cyst nematode density by up to 95%.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- planted in Junee0
- Interactor
- PCNe0pest
- Outcome
- PCN population densitye0
- Direction
- reductionse0
- Value
- up to 95%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Crops planted in June provided the best overall reductions in PCN population density of up to 95%”
t0“potato cultivars”
t1“potato cultivars”
e1“Population reductions from the August planting were only slightly less than from planting in June”
e2“the tuber yields obtained were much greater”
e3“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
Claim · model-written summary
Santé was significantly more effective than other cultivars at reducing nematodes.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Santée0
- Treatment
- Santée0
- Outcome
- more effectivee0
- Direction
- more effectivee0
- Comparator
- other cultivarse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cv. Santé significantly more effective than the other cultivars”
t0“potato cultivars”
t1“potato cultivars”
e1“Population reductions from the August planting were only slightly less than from planting in June”
e2“the tuber yields obtained were much greater”
e3“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
Claim · model-written summary
August planting reduced nematodes only slightly less than June planting.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- August plantinge0
- Outcome
- Population reductionse0
- Direction
- slightly lesse0
- Comparator
- planting in Junee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Population reductions from the August planting were only slightly less than from planting in June”
t0“potato cultivars”
t1“potato cultivars”
e1“Population reductions from the August planting were only slightly less than from planting in June”
e2“the tuber yields obtained were much greater”
e3“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
Claim · model-written summary
August planting gave substantially greater tuber yield than June planting.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- Auguste1
- Outcome
- tuber yieldse0
- Direction
- much greatere0
- Comparator
- Junee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the tuber yields obtained were much greater”
t0“potato cultivars”
t1“potato cultivars”
e1“Population reductions from the August planting were only slightly less than from planting in June”
e2“the tuber yields obtained were much greater”
e3“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
Claim · model-written summary
Maris Piper produced 16.4 t ha ‐1 of tubers.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Maris Pipere0
- Outcome
- tuber yieldse2
- Value
- 16.4e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
t0“potato cultivars”
t1“potato cultivars”
e1“Population reductions from the August planting were only slightly less than from planting in June”
e2“the tuber yields obtained were much greater”
e3“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
Claim · model-written summary
Maris Bard produced 21.4 t ha ‐1 of tubers.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Maris Barde0
- Outcome
- tuber yieldse2
- Value
- 21.4 t ha ‐1e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
t0“potato cultivars”
t1“potato cultivars”
e1“Population reductions from the August planting were only slightly less than from planting in June”
e2“the tuber yields obtained were much greater”
e3“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
Claim · model-written summary
Maris Piper had 37% canning-size tubers.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Maris Pipere3
- Outcome
- size useful for canninge0
- Value
- 37%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with 37% and 43% respectively, of a size useful for canning”
t0“potato cultivars”
t1“potato cultivars”
e1“Population reductions from the August planting were only slightly less than from planting in June”
e2“the tuber yields obtained were much greater”
e3“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
Claim · model-written summary
Maris Bard had 43% canning-size tubers.
- Taxon
- potatoSolanum tuberosumt0
- Material
- Maris Barde3
- Outcome
- size useful for canninge0
- Value
- 43%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“with 37% and 43% respectively, of a size useful for canning”
t0“potato cultivars”
t1“potato cultivars”
e1“Population reductions from the August planting were only slightly less than from planting in June”
e2“the tuber yields obtained were much greater”
e3“Maris Piper and Maris Bard produced 16.4 and 21.4 t ha ‐1 respectively”
The same questions in other papers
sowing time · pest · Solanum tuberosum (potato)Positive and negative results
3 papers in the same direction as this paper · 2 in the opposite direction
- negative
- negative
- positive
2 papers more in this group
See all 6 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.