Paper · 1972 · PubMed

Effect of Certain Nematodes on the Growth of Pinus edulis and Juniperus monosperma seedlings.

J W Riffle

5
claims
6
verbatim quotes
7
citations
1
research areas
✓
Open access

Abstract

Pinus edulis and Juniperus monosperma seedlings were inoculated separately with each of seven nematode species, and grown for 9 months at 20 C soil temperature. Hoplolaimus galeatus, Rotylenchus pumilis, Tylenchus exiguus, and Xiphinema americanum parasitized P. edulis seedlings, but did not significantly reduce seedling growth. Pinus edulis was not a host for Tylenchorhynchus cylindricus, Aphelenchoides cibolensis, or Criconemoides humilis. Xiphinema americanum and R. pumilis parasitized J. monosperma seedlings, and reduced their root weights and root collar diameters. Juniperus monosperma was not a host for A. cibolensis and T. exiguus, and parasitism of this tree species by T. cylindricus and C. humilis remains uncertain.

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Claims 5

Associationobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Four nematode species parasitized Pinus edulis seedlings without significantly reducing seedling growth.

Taxon
P. edulisPinus edulise0
Interactor
Hoplolaimus galeatusHoplolaimus galeatuse0pest
Second interactor
Xiphinema americanumXiphinema americanume0pest
Outcome
seedling growthe0
Direction
did not significantly reducee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Pinus edulis
Pinus edulis · Taxonjotor at Flickr · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e0

“Hoplolaimus galeatus, Rotylenchus pumilis, Tylenchus exiguus, and Xiphinema americanum parasitized P. edulis seedlings, but did not significantly reduce seedling growth”

✓ located verbatim in the source · abstract, characters 161–329 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Pinus edulis was not a host for Tylenchorhynchus cylindricus and Aphelenchoides cibolensis, and not for Criconemoides humilis.

Taxon
Pinus edulisPinus edulise1
Interactor
Tylenchorhynchus cylindricuse1pest
Second interactor
Aphelenchoides cibolensisAphelenchoides cibolensise1pest
Outcome
not a hoste1
Qualifier
Criconemoides humilise1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Pinus edulis
Pinus edulis · Taxonjotor at Flickr · CC BY-SA 2.0 · Wikimedia Commons ↗

Verbatim

e1

“Pinus edulis was not a host for Tylenchorhynchus cylindricus, Aphelenchoides cibolensis, or Criconemoides humilis”

✓ located verbatim in the source · abstract, characters 331–444 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Xiphinema americanum and Rotylenchus pumilis parasitized Juniperus monosperma seedlings and reduced their root weights and root collar diameters.

Taxon
J. monospermaJuniperus monospermae2
Interactor
Xiphinema americanumXiphinema americanume2pest
Second interactor
R. pumilise2pest
Outcome
root weights and root collar diameterse2
Direction
reducede2

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Juniperus monosperma
Juniperus monosperma · TaxonDave Powell, USDA Forest Service, Bugwood.org · Public domain · Wikimedia Commons ↗

Verbatim

e2

“Xiphinema americanum and R. pumilis parasitized J. monosperma seedlings, and reduced their root weights and root collar diameters”

✓ located verbatim in the source · abstract, characters 446–575 · show in text ↑
Observationobservedoriginal resultmeasured

Claim · model-written summary

Juniperus monosperma was not a host for Aphelenchoides cibolensis and Tylenchus exiguus.

Taxon
Juniperus monospermaJuniperus monospermae3
Interactor
A. cibolensisAphelenchoides cibolensise3pest
Second interactor
T. exiguuse3pest
Outcome
not a hoste3

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Juniperus monosperma
Juniperus monosperma · TaxonDave Powell, USDA Forest Service, Bugwood.org · Public domain · Wikimedia Commons ↗

Verbatim

e3

“Juniperus monosperma was not a host for A. cibolensis and T. exiguus”

✓ located verbatim in the source · abstract, characters 577–645 · show in text ↑
Observationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Parasitism of Juniperus monosperma by Tylenchorhynchus cylindricus and Criconemoides humilis remains uncertain.

Taxon
J. monospermaJuniperus monospermae2
Interactor
T. cylindricusFilenchus cylindricuse4pest
Second interactor
C. humilise4pest
Outcome
parasitism of this tree speciese4
Qualifier
remains uncertaine4

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Juniperus monosperma
Juniperus monosperma · TaxonDave Powell, USDA Forest Service, Bugwood.org · Public domain · Wikimedia Commons ↗

Verbatim

e2

“Xiphinema americanum and R. pumilis parasitized J. monosperma seedlings, and reduced their root weights and root collar diameters”

✓ located verbatim in the source · abstract, characters 446–575 · show in text ↑
e4

“parasitism of this tree species by T. cylindricus and C. humilis remains uncertain”

✓ located verbatim in the source · abstract, characters 651–733 · show in text ↑