Abstract
Pratylenchus penetrans suppressed the tuber yields of potato cultivars 'Katahdin', 'Kennebec', and 'Superior', but did not affect yields of 'Russet Burbank'. In comparison with noninfested controls, all initial nematode densities (P(i)) of P. penetrans (P(i) = 38, 81, 164, 211/ 100 cm(3) of soil) suppressed yields of Superior; a moderate P(i) (81/100 cm(3) soil) suppressed yields of Kennebec; and on Katahdin, a moderate P(i) enhanced yields, but higher P(i)'s caused a marked loss. In general, yields were related to the tolerance of the cultivars to nematode colonization. Highest nematode densities were found in the roots of Russet Burbank; the next highest, in succeeding order, were found in roots of Kennebec, Katahdin, and Superior. Symptoms of nematode invasion were confined to losses of tuber yield and root weight.
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Claims 12
Claim · model-written summary
Nematodes suppressed tuber yield of Katahdin.
- Taxon
- potato
Solanum tuberosume0 - Material
- 'Katahdin'e0
- Treatment
- Pratylenchus penetranse0
- Interactor
- Pratylenchus penetrans
Pratylenchus penetranse0pest - Outcome
- tuber yieldse0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pratylenchus penetrans suppressed the tuber yields of potato cultivars 'Katahdin', 'Kennebec', and 'Superior'”
Claim · model-written summary
Nematodes suppressed tuber yield of Kennebec.
- Taxon
- potatoSolanum tuberosume0
- Material
- 'Kennebec'e0
- Treatment
- Pratylenchus penetranse0
- Interactor
- Pratylenchus penetransPratylenchus penetranse0pest
- Outcome
- tuber yieldse0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pratylenchus penetrans suppressed the tuber yields of potato cultivars 'Katahdin', 'Kennebec', and 'Superior'”
Claim · model-written summary
Nematodes suppressed tuber yield of Superior.
- Taxon
- potatoSolanum tuberosume0
- Material
- 'Superior'e0
- Treatment
- Pratylenchus penetranse0
- Interactor
- Pratylenchus penetransPratylenchus penetranse0pest
- Outcome
- tuber yieldse0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pratylenchus penetrans suppressed the tuber yields of potato cultivars 'Katahdin', 'Kennebec', and 'Superior'”
Claim · model-written summary
Nematodes did not affect Russet Burbank yield.
Not reportedTaxonTreatmentComparator
Verbatim
e0“but did not affect yields of 'Russet Burbank'”
Claim · model-written summary
All initial nematode densities suppressed Superior yield relative to noninfested controls.
- Material
- Superiore0
- Treatment
- all initial nematode densities (P(i)) of P. penetrans (P(i) = 38, 81, 164, 211/ 100 cm(3) of soil)e0
- Interactor
- P. penetransPratylenchus penetranse0pest
- Outcome
- yieldse0
- Direction
- suppressede0
- Comparator
- noninfested controlse0
Not reportedTaxon
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In comparison with noninfested controls, all initial nematode densities (P(i)) of P. penetrans (P(i) = 38, 81, 164, 211/ 100 cm(3) of soil) suppressed yields of Superior”
Claim · model-written summary
Moderate nematode density suppressed Kennebec yield.
- Material
- Kennebece0
- Treatment
- a moderate P(i) (81/100 cm(3) soil)e0
- Outcome
- yieldse0
- Direction
- suppressede0
Not reportedTaxonComparator
Verbatim
e0“a moderate P(i) (81/100 cm(3) soil) suppressed yields of Kennebec”
Claim · model-written summary
Moderate nematode density enhanced Katahdin yield.
Not reportedTaxonComparator
Verbatim
e0“on Katahdin, a moderate P(i) enhanced yields”
Claim · model-written summary
Higher nematode densities caused marked yield loss in Katahdin.
Not reportedTaxonComparator
Verbatim
e0“higher P(i)'s caused a marked loss”
Claim · model-written summary
Cultivar yields were related to tolerance of nematode colonization.
Not reportedDirection
Verbatim
e0“yields were related to the tolerance of the cultivars to nematode colonization”
Claim · model-written summary
Russet Burbank roots had the highest nematode densities.
Not reportedTaxon
Verbatim
e0“Highest nematode densities were found in the roots of Russet Burbank”
Claim · model-written summary
Nematode densities ranked Kennebec, Katahdin, then Superior after Russet Burbank.
Not reportedTaxon
Verbatim
e0“the next highest, in succeeding order, were found in roots of Kennebec, Katahdin, and Superior”
Claim · model-written summary
Nematode invasion symptoms were limited to tuber yield and root weight losses.
- Outcome
- losses of tuber yield and root weighte0
Not reportedTaxon
Verbatim
e0“Symptoms of nematode invasion were confined to losses of tuber yield and root weight.”
The same questions in other papers
Pratylenchus penetrans · yield · Solanum tuberosum (potato)Results differ
4 papers in the same direction as this paper
- no effect
- negative
- negative
1 paper more in this group
See all 5 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.