Abstract
Abstract The Pacific shoot-gall nematode ( Anguina pacificae ) is an economically important pest of annual bluegrass ( Poa annua L. ) putting greens in the coastal areas of northern and central California. In December 2024, diagnostic samples submitted to the Oregon State University Turfgrass Diagnostic Clinic (Corvallis, OR) from a golf course tee box in Clark County, Washington contained A. pacificae . Visual symptoms of chlorotic patches and dieback of the turf surface were observed, as well as swellings in the crowns that contained second-stage juveniles (J2). Morphological features as well as morphometric measurements of J2 were consistent with A. pacificae . Sequencing of the internal transcribed spacer (ITS) and the mitochondrially encoded cytochrome c oxidase I (COX1) gene regions confirmed the species identity. To our knowledge, this is the first report of A. pacificae parasitizing turfgrass in Washington.
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Claims 6
Claim · model-written summary
Washington turfgrass diagnostic samples contained Anguina pacificae.
- Taxon
- Turfgrasst0
- Interactor
- A. pacificaeAnguina pacificaee0pest
- Outcome
- contained A. pacificaee0
- Setting
- Clark County, Washingtone0
Verbatim
e0“diagnostic samples submitted to the Oregon State University Turfgrass Diagnostic Clinic (Corvallis, OR) from a golf course tee box in Clark County, Washington contained A. pacificae .”
t0“Turfgrass”
Claim · model-written summary
The turf had chlorotic patches and dieback.
- Taxon
- Turfgrasst0
- Interactor
- A. pacificaeAnguina pacificaee1pest
- Outcome
- chlorotic patches and dieback of the turf surfacee0
Verbatim
e0“Visual symptoms of chlorotic patches and dieback of the turf surface were observed”
e1“contained A. pacificae .”
t0“Turfgrass”
Claim · model-written summary
Turf crowns had swellings containing second-stage nematode juveniles.
- Taxon
- Turfgrasst0
- Organ / stage
- crownse0
- Interactor
- A. pacificaeAnguina pacificaee1pest
- Outcome
- swellings in the crowns that contained second-stage juveniles (J2)e0
Verbatim
e0“swellings in the crowns that contained second-stage juveniles (J2)”
e1“contained A. pacificae .”
t0“Turfgrass”
Claim · model-written summary
Juvenile morphology and morphometrics were consistent with A. pacificae.
- Taxon
- Turfgrasst0
- Interactor
- A. pacificaeAnguina pacificaee0pest
- Outcome
- Morphological features as well as morphometric measurements of J2 were consistent with A. pacificaee0
Verbatim
e0“Morphological features as well as morphometric measurements of J2 were consistent with A. pacificae .”
t0“Turfgrass”
Claim · model-written summary
ITS and COX1 sequencing confirmed the nematode species identity.
- Taxon
- Turfgrasst0
- Interactor
- A. pacificaeAnguina pacificaee1pest
- Outcome
- confirmed the species identitye0
Verbatim
e0“Sequencing of the internal transcribed spacer (ITS) and the mitochondrially encoded cytochrome c oxidase I (COX1) gene regions confirmed the species identity.”
e1“contained A. pacificae .”
t0“Turfgrass”
Claim · model-written summary
The authors identify this as the first report of A. pacificae parasitizing turfgrass in Washington.
- Taxon
- turfgrasse0
- Interactor
- A. pacificaeAnguina pacificaee0pest
- Outcome
- first report of A. pacificae parasitizing turfgrasse0
- Setting
- Washingtone0
Verbatim
e0“this is the first report of A. pacificae parasitizing turfgrass in Washington.”