By organism › Green plants › Juglandaceae › Juglans californica

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Black walnut petiole homogenates inhibited in vitro Xylella growth.

Taxon: California black walnutJuglans californicae0
Organ / stage: petiolese0
Interactor: X. fas-tidiosae0pathogen
Outcome: growth of X. fas-tidiosae0
Direction: inhibitede0

Verbatim

e0
“Homogenates of petioles of California black walnut (Juglans hindsii) and coffeeberry (Rhamnus californica) inhibited in vitro growth of X. fas-tidiosa”
✓ located verbatim in the source · abstract, characters 621–771

Title

Fate of Pierce's Disease Strains ofXylella fastidiosain Common Riparian Plants in California

A. H. Purcell; S. R. Saunders Plant Disease 1999. doi:10.1094/pdis.1999.83.9.825

Other claims from this paper (11)

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

The two walnut species differed significantly in vigor, phenology and branching.

Taxon: California Black WalnutsJuglans californicat0
Outcome: traits that reflect vigor (height, diameter, volume)e0
Comparator: speciese0

Verbatim

t0
“California Black Walnuts”
✓ located verbatim in the source · title, characters 38–62

e0
“Significant differences between species were detected in traits that reflect vigor (height, diameter, volume), in phenological traits (dates of leafing out and leaf drop), and in branching”
✓ located verbatim in the source · abstract, characters 140–328

Title

Inter- and Intraspecific Variation in California Black Walnuts

Gale H. McGranahan; John Hansen; Douglas V. Shaw Journal of the American Society for Horticultural Science 1988. doi:10.21273/jashs.113.5.760

Other claims from this paper (6)

Observation J. californica was more vigorous and branched than J. hindsii.
Observation J. californica leafed out earlier than J. hindsii.
Observation J. californica dropped leaves later than J. hindsii.
Observation Seed source significantly affected phenology and branching in J. hindsii.
Observation Upper heritability estimates for phenology ranged from 0.47 to 0.88.
Recommendation Authors recommend conserving J. hindsii germplasm for species purity, research and rootstock breeding.

Observationobservedoriginal resultmeasured

Claim · model-written summary

J. californica was more vigorous and branched than J. hindsii.

Taxon: California Black WalnutsJuglans californicat0
Material: J. californicae0
Outcome: vigorous, more branchede0
Direction: moree0
Comparator: J. hindsiie0

Verbatim

t0
“California Black Walnuts”
✓ located verbatim in the source · title, characters 38–62

e0
“J. californica was generally more vigorous, more branched, leafed out earlier, and dropped leaves later than J. hindsii”
✓ located verbatim in the source · abstract, characters 330–449

Title

Inter- and Intraspecific Variation in California Black Walnuts

Gale H. McGranahan; John Hansen; Douglas V. Shaw Journal of the American Society for Horticultural Science 1988. doi:10.21273/jashs.113.5.760

Other claims from this paper (6)

Observation The two walnut species differed significantly in vigor, phenology and branching.
Observation J. californica leafed out earlier than J. hindsii.
Observation J. californica dropped leaves later than J. hindsii.
Observation Seed source significantly affected phenology and branching in J. hindsii.
Observation Upper heritability estimates for phenology ranged from 0.47 to 0.88.
Recommendation Authors recommend conserving J. hindsii germplasm for species purity, research and rootstock breeding.

Observationobservedoriginal resultmeasured

Claim · model-written summary

J. californica leafed out earlier than J. hindsii.

Taxon: California Black WalnutsJuglans californicat0
Material: J. californicae0
Outcome: leafed oute0
Direction: earliere0
Comparator: J. hindsiie0

Verbatim

t0
“California Black Walnuts”
✓ located verbatim in the source · title, characters 38–62

e0
“J. californica was generally more vigorous, more branched, leafed out earlier, and dropped leaves later than J. hindsii”
✓ located verbatim in the source · abstract, characters 330–449

Title

Inter- and Intraspecific Variation in California Black Walnuts

Gale H. McGranahan; John Hansen; Douglas V. Shaw Journal of the American Society for Horticultural Science 1988. doi:10.21273/jashs.113.5.760

Other claims from this paper (6)

Observation The two walnut species differed significantly in vigor, phenology and branching.
Observation J. californica was more vigorous and branched than J. hindsii.
Observation J. californica dropped leaves later than J. hindsii.
Observation Seed source significantly affected phenology and branching in J. hindsii.
Observation Upper heritability estimates for phenology ranged from 0.47 to 0.88.
Recommendation Authors recommend conserving J. hindsii germplasm for species purity, research and rootstock breeding.

Observationobservedoriginal resultmeasured

Claim · model-written summary

J. californica dropped leaves later than J. hindsii.

Taxon: California Black WalnutsJuglans californicat0
Material: J. californicae0
Outcome: dropped leavese0
Direction: latere0
Comparator: J. hindsiie0

Verbatim

t0
“California Black Walnuts”
✓ located verbatim in the source · title, characters 38–62

e0
“J. californica was generally more vigorous, more branched, leafed out earlier, and dropped leaves later than J. hindsii”
✓ located verbatim in the source · abstract, characters 330–449

Title

Inter- and Intraspecific Variation in California Black Walnuts

Gale H. McGranahan; John Hansen; Douglas V. Shaw Journal of the American Society for Horticultural Science 1988. doi:10.21273/jashs.113.5.760

Other claims from this paper (6)

Observation The two walnut species differed significantly in vigor, phenology and branching.
Observation J. californica was more vigorous and branched than J. hindsii.
Observation J. californica leafed out earlier than J. hindsii.
Observation Seed source significantly affected phenology and branching in J. hindsii.
Observation Upper heritability estimates for phenology ranged from 0.47 to 0.88.
Recommendation Authors recommend conserving J. hindsii germplasm for species purity, research and rootstock breeding.

Observationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Seed source significantly affected phenology and branching in J. hindsii.

Taxon: California Black WalnutsJuglans californicat0
Material: J. hindsiie0
Outcome: phenological traits and branchinge0
Comparator: seed sourcee0

Verbatim

t0
“California Black Walnuts”
✓ located verbatim in the source · title, characters 38–62

e0
“seed source was a highly significant source of variation for phenological traits and branching in J. hindsii”
✓ located verbatim in the source · abstract, characters 491–599

Title

Inter- and Intraspecific Variation in California Black Walnuts

Gale H. McGranahan; John Hansen; Douglas V. Shaw Journal of the American Society for Horticultural Science 1988. doi:10.21273/jashs.113.5.760

Other claims from this paper (6)

Observation The two walnut species differed significantly in vigor, phenology and branching.
Observation J. californica was more vigorous and branched than J. hindsii.
Observation J. californica leafed out earlier than J. hindsii.
Observation J. californica dropped leaves later than J. hindsii.
Observation Upper heritability estimates for phenology ranged from 0.47 to 0.88.
Recommendation Authors recommend conserving J. hindsii germplasm for species purity, research and rootstock breeding.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Upper heritability estimates for phenology ranged from 0.47 to 0.88.

Taxon: California Black WalnutsJuglans californicat0
Outcome: heritability for phenological traitse0
Value: 0.47 to 0.88e0

Verbatim

t0
“California Black Walnuts”
✓ located verbatim in the source · title, characters 38–62

e0
“Upper estimates of heritability for phenological traits ranged from 0.47 to 0.88”
✓ located verbatim in the source · abstract, characters 602–682

Title

Inter- and Intraspecific Variation in California Black Walnuts

Gale H. McGranahan; John Hansen; Douglas V. Shaw Journal of the American Society for Horticultural Science 1988. doi:10.21273/jashs.113.5.760

Other claims from this paper (6)

Observation The two walnut species differed significantly in vigor, phenology and branching.
Observation J. californica was more vigorous and branched than J. hindsii.
Observation J. californica leafed out earlier than J. hindsii.
Observation J. californica dropped leaves later than J. hindsii.
Observation Seed source significantly affected phenology and branching in J. hindsii.
Recommendation Authors recommend conserving J. hindsii germplasm for species purity, research and rootstock breeding.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Authors recommend conserving J. hindsii germplasm for species purity, research and rootstock breeding.

Taxon: California Black WalnutsJuglans californicat0
Material: J. hindsiie0
Outcome: Conservation of germplasm resourcese0

Verbatim

t0
“California Black Walnuts”
✓ located verbatim in the source · title, characters 38–62

e0
“Conservation of germplasm resources in J. hindsii will be essential to maintain the purity of the species and to provide resources for studying the species and breeding rootstock for J. regia”
✓ located verbatim in the source · abstract, characters 845–1036

Title

Inter- and Intraspecific Variation in California Black Walnuts

Gale H. McGranahan; John Hansen; Douglas V. Shaw Journal of the American Society for Horticultural Science 1988. doi:10.21273/jashs.113.5.760

Other claims from this paper (6)

Observation The two walnut species differed significantly in vigor, phenology and branching.
Observation J. californica was more vigorous and branched than J. hindsii.
Observation J. californica leafed out earlier than J. hindsii.
Observation J. californica dropped leaves later than J. hindsii.
Observation Seed source significantly affected phenology and branching in J. hindsii.
Observation Upper heritability estimates for phenology ranged from 0.47 to 0.88.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

The disease was induced experimentally in California black walnut seedlings by adding a suspension of root-lesion nematodes.

Taxon: California black walnutJuglans californicae6
Organ / stage: seedlingse6
Treatment: adding a suspension of the root-lesion nematodese6
Interactor: root-lesion nematodese6pathogen
Outcome: diseasee6

Not reportedComparatorDirection

Verbatim

e6
“The disease has been induced experimentally by adding a suspension of the root-lesion nematodes to California black walnut seedlings”
✓ located verbatim in the source · abstract, characters 403–535

Title

Root-lesion nematode on walnut: Replants of California black walnut and unselected Paradox hybrid responded to preplanting soil fumigation in trials

B. F. Lownsbery; С. А. Шер DOAJ (DOAJ: Directory of Open Access Journals) 1958

Other claims from this paper (5)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

A fungal disease attacks crowns and roots of California black walnut rootstocks.

Taxon: J. californica WatsJuglans californicat0
Interactor: funguse0pathogen
Outcome: attacks the crowns and rootse0

Verbatim

e0
“A fungus disease has appeared which attacks the crowns and roots of these stocks.”
✓ located verbatim in the source · abstract, characters 564–645

t0
“The California black walnuts, J. californica Wats, and J. hindsii Sarg.”
✓ located verbatim in the source · abstract, characters 429–500

Title

Crown rot of Juglans in California.

C. O. Smith; J. T. Barrett Journal of Agricultural Research 1931

Other claims from this paper (2)

Juglans californica 30 claims

30 claims