Abstract
Ten species of stylet-bearing nematodes were recovered in a survey of sycamore (Platanus occidentalis L. ) stands in Georgia. Helicotylenchus, Xiphinema, and Criconemoides were the genera found most frequently. Populations of Hoplolaimus galeatus, Scutellonema brachyurum, Helicotylenchus dihystera and H. pseudorobustus increased on greenhouse-grown sycamore, but Trichodorus christiei, Xiphinema americanum, Meloidogyne hapla, M. arenaria and M. incognita did not. Hoplolaimus galeatus and S. brachyurum are semi-endoparasites; H. dihystera and H. pseudorobustus are migratory endoparasites. Hoplolaimus galeatus caused extensive root necrosis and marked decrease of fresh weights of seedling roots and tops. Helicotylenchus dihystera and S. brachyurum produced only qualitatively different sparse and unhealthy root growth. Helicotylenchus pseudorobustus caused only a reduction in root surface area.
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Claims 10
Claim · model-written summary
Ten stylet-bearing nematode species were recovered from sycamore stands in Georgia.
Verbatim
e0“Ten species of stylet-bearing nematodes were recovered in a survey of sycamore (Platanus occidentalis L. ) stands in Georgia.”
Claim · model-written summary
Helicotylenchus, Xiphinema and Criconemoides were most frequent.
- Taxon
- Sycamoret0
- Interactor
- Helicotylenchus, Xiphinema, and Criconemoides
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Xiphinema
HelicotylenchusCriconemoidese0pathogen - Outcome
- genera found most frequentlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Helicotylenchus, Xiphinema, and Criconemoides were the genera found most frequently.”
t0“Sycamore”
Claim · model-written summary
Four named nematode populations increased on greenhouse sycamore.
Verbatim
e0“Populations of Hoplolaimus galeatus, Scutellonema brachyurum, Helicotylenchus dihystera and H. pseudorobustus increased on greenhouse-grown sycamore”
Claim · model-written summary
Five named nematode populations did not increase on greenhouse sycamore.
Verbatim
e0“Trichodorus christiei, Xiphinema americanum, Meloidogyne hapla, M. arenaria and M. incognita did not.”
t0“Sycamore”
Claim · model-written summary
H. galeatus and S. brachyurum were semi-endoparasites.
- Taxon
- Sycamoret0
- Interactor
- Hoplolaimus galeatusHoplolaimus galeatuse0parasite
- Outcome
- semi-endoparasitese0
Verbatim
e0“Hoplolaimus galeatus and S. brachyurum are semi-endoparasites”
t0“Sycamore”
Claim · model-written summary
H. dihystera and H. pseudorobustus were migratory endoparasites.
- Taxon
- Sycamoret0
- Interactor
- H. dihystera
Helicotylenchus dihysterae0parasite - Outcome
- migratory endoparasitese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“H. dihystera and H. pseudorobustus are migratory endoparasites.”
t0“Sycamore”
Claim · model-written summary
H. galeatus caused extensive root necrosis.
- Taxon
- Sycamoret0
- Interactor
- Hoplolaimus galeatusHoplolaimus galeatuse0pathogen
- Outcome
- root necrosise0
Verbatim
e0“Hoplolaimus galeatus caused extensive root necrosis and marked decrease of fresh weights of seedling roots and tops.”
t0“Sycamore”
Claim · model-written summary
H. galeatus markedly decreased seedling root and top fresh weights.
- Taxon
- Sycamoret0
- Interactor
- Hoplolaimus galeatusHoplolaimus galeatuse0pathogen
- Outcome
- fresh weights of seedling roots and topse0
- Direction
- decreasee0
Verbatim
e0“Hoplolaimus galeatus caused extensive root necrosis and marked decrease of fresh weights of seedling roots and tops.”
t0“Sycamore”
Claim · model-written summary
H. dihystera and S. brachyurum produced sparse unhealthy root growth.
- Taxon
- Sycamoret0
- Interactor
- Helicotylenchus dihysteraHelicotylenchus dihysterae0pathogen
- Outcome
- sparse and unhealthy root growthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Helicotylenchus dihystera and S. brachyurum produced only qualitatively different sparse and unhealthy root growth.”
t0“Sycamore”
Claim · model-written summary
H. pseudorobustus reduced root surface area.
- Taxon
- Sycamoret0
- Interactor
- Helicotylenchus pseudorobustusHelicotylenchus pseudorobustuse0pathogen
- Outcome
- root surface areae0
- Direction
- reductione0
Verbatim
e0“Helicotylenchus pseudorobustus caused only a reduction in root surface area.”
t0“Sycamore”