Carya illinoinensis 7,574 claims

species · family Juglandaceae · green plant · NCBI Taxonomy ↗

Common name: pecan — Also written in claims: pecan · Carya illinoensis · pecans · pecan trees · pecan tree · pecan seedlings — NCBI synonyms: Carya illinoensis

59 spellings

Questions studied on this organism142 questions5 with results that differ299 papers

Carya illinoinensisJames St. John · CC BY 2.0 · Wikimedia Commons ↗

7,574 claims

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Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

Viability of cryopreserved pollen inventories did not change during cryostorage.

Taxon: Carya (pecan), Corylus (hazelnut), Juglans (walnut), Phoenix (date), Pistacia (pistachio), and Prunus (stone fruits)PrunusPhoenixCorylusJuglansCarya illinoinensisPistacia verae0
Treatment: cryostoragee1
Outcome: viability of the cryopreserved inventoriese1
Direction: no_changeinferrede1

Verbatim

e0
“Carya (pecan), Corylus (hazelnut), Juglans (walnut), Phoenix (date), Pistacia (pistachio), and Prunus (stone fruits)”
✓ located verbatim in the source · abstract, characters 240–356

e1
“The results indicate that overall, the viability of the cryopreserved inventories has not changed during cryostorage”
✓ located verbatim in the source · abstract, characters 1145–1261

Title

Pollen cryobanking at the USDA‐ARS National Laboratory for Genetic Resources Preservation

Gayle M. Volk; Ashley Shepherd; Adam Henk; et al. Crop Science 2026. doi:10.1002/csc2.70231

Other claims from this paper (2)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Adjusted pollen moisture content before liquid nitrogen exposure ranged between 4.4% and 13.3% on a fresh weight basis.

Taxon: Carya (pecan), Corylus (hazelnut), Juglans (walnut), Phoenix (date), Pistacia (pistachio), and Prunus (stone fruits)PrunusPhoenixCorylusJuglansCarya illinoinensisPistacia verae0
Outcome: adjusted moisture contente1
Value: between 4.4% and 13.3%e1
Qualifier: fresh weight basise1

Verbatim

e0
“Carya (pecan), Corylus (hazelnut), Juglans (walnut), Phoenix (date), Pistacia (pistachio), and Prunus (stone fruits)”
✓ located verbatim in the source · abstract, characters 240–356

e1
“the adjusted moisture content was between 4.4% and 13.3% (fresh weight basis) and between 4.2% and 16.6% dry weight basis”
✓ located verbatim in the source · abstract, characters 792–913

Title

Pollen cryobanking at the USDA‐ARS National Laboratory for Genetic Resources Preservation

Gayle M. Volk; Ashley Shepherd; Adam Henk; et al. Crop Science 2026. doi:10.1002/csc2.70231

Other claims from this paper (2)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Adjusted pollen moisture content before liquid nitrogen exposure ranged between 4.2% and 16.6% on a dry weight basis.

Taxon: Carya (pecan), Corylus (hazelnut), Juglans (walnut), Phoenix (date), Pistacia (pistachio), and Prunus (stone fruits)PrunusPhoenixCorylusJuglansCarya illinoinensisPistacia verae0
Outcome: adjusted moisture contente1
Value: between 4.2% and 16.6%e1
Qualifier: dry weight basise1

Verbatim

e0
“Carya (pecan), Corylus (hazelnut), Juglans (walnut), Phoenix (date), Pistacia (pistachio), and Prunus (stone fruits)”
✓ located verbatim in the source · abstract, characters 240–356

e1
“the adjusted moisture content was between 4.4% and 13.3% (fresh weight basis) and between 4.2% and 16.6% dry weight basis”
✓ located verbatim in the source · abstract, characters 792–913

Title

Pollen cryobanking at the USDA‐ARS National Laboratory for Genetic Resources Preservation

Gayle M. Volk; Ashley Shepherd; Adam Henk; et al. Crop Science 2026. doi:10.1002/csc2.70231

Other claims from this paper (2)

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

ERM application gave at least twice the spray coverage of ARM applications in both seasons.

Taxon: pecanCarya illinoinensise0
Treatment: ERM applicatione1
Outcome: spray coveragee1
Direction: at least twicee1
Comparator: ARM applicationse1

Verbatim

e0
“Scab (caused by Venturia effusa) is the major yield limiting factor of pecan in the southeastern U.S.A.”
✓ located verbatim in the source · abstract, characters 0–103

e1
“the ERM application had at least twice the spray coverage in both seasons compared to the ARM applications”
✓ located verbatim in the source · abstract, characters 862–968

Title

The Effect of Early-season Alternate Row Middle Fungicide Application on Spray Coverage and Scab Severity in Tall Pecan Trees

Clive Bock; Mike W. Hotchkiss Plant Disease 2026. doi:10.1094/pdis-12-25-2452-re

Other claims from this paper (8)

Intervention effect In 2018 scab severity on young leaflets was lowest with the ARM14 treatment compared with the other treatments.
Intervention effect In 2019 all three spray treatments had less severe scab than the control.
Intervention effect Older leaflets had more severe scab on the control than on the ARM7 treatment in both seasons.
Intervention effect In 2019 older leaflets had more severe scab on the control than on the ERM treatment.
Intervention effect Fruit scab severity was significantly greater on the control than on any treated trees in both years.
Observation Tree height had effects on scab severity in both seasons.
Intervention effect Harvested fruit were consistently heavier on trees receiving ERM sprays throughout the season.
Intervention effect Early-season ARM sprays had no large or lasting effect on scab control on leaflets or fruit.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In 2018 scab severity on young leaflets was lowest with the ARM14 treatment compared with the other treatments.

Taxon: pecanCarya illinoinensise0
Treatment: ARM14 treatmente2
Interactor: Venturia effusaVenturia effusae0pathogen
Outcome: scab severity on young leafletse2
Direction: leaste2
Comparator: the other treatmentse2

Verbatim

e0
“Scab (caused by Venturia effusa) is the major yield limiting factor of pecan in the southeastern U.S.A.”
✓ located verbatim in the source · abstract, characters 0–103

e2
“In 2018 scab severity on young leaflets was least on the ARM14 treatment compared to the other treatments”
✓ located verbatim in the source · abstract, characters 970–1075

Title

The Effect of Early-season Alternate Row Middle Fungicide Application on Spray Coverage and Scab Severity in Tall Pecan Trees

Clive Bock; Mike W. Hotchkiss Plant Disease 2026. doi:10.1094/pdis-12-25-2452-re

Other claims from this paper (8)

Intervention effect ERM application gave at least twice the spray coverage of ARM applications in both seasons.
Intervention effect In 2019 all three spray treatments had less severe scab than the control.
Intervention effect Older leaflets had more severe scab on the control than on the ARM7 treatment in both seasons.
Intervention effect In 2019 older leaflets had more severe scab on the control than on the ERM treatment.
Intervention effect Fruit scab severity was significantly greater on the control than on any treated trees in both years.
Observation Tree height had effects on scab severity in both seasons.
Intervention effect Harvested fruit were consistently heavier on trees receiving ERM sprays throughout the season.
Intervention effect Early-season ARM sprays had no large or lasting effect on scab control on leaflets or fruit.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In 2019 all three spray treatments had less severe scab than the control.

Taxon: pecanCarya illinoinensise0
Treatment: all three treatmentse3
Interactor: Venturia effusaVenturia effusae0pathogen
Outcome: scabe3
Direction: less severee3
Comparator: the controle3

Verbatim

e0
“Scab (caused by Venturia effusa) is the major yield limiting factor of pecan in the southeastern U.S.A.”
✓ located verbatim in the source · abstract, characters 0–103

e3
“in 2019 all three treatments had less severe scab when compared to the control”
✓ located verbatim in the source · abstract, characters 1081–1159

Title

The Effect of Early-season Alternate Row Middle Fungicide Application on Spray Coverage and Scab Severity in Tall Pecan Trees

Clive Bock; Mike W. Hotchkiss Plant Disease 2026. doi:10.1094/pdis-12-25-2452-re

Other claims from this paper (8)

Intervention effect ERM application gave at least twice the spray coverage of ARM applications in both seasons.
Intervention effect In 2018 scab severity on young leaflets was lowest with the ARM14 treatment compared with the other treatments.
Intervention effect Older leaflets had more severe scab on the control than on the ARM7 treatment in both seasons.
Intervention effect In 2019 older leaflets had more severe scab on the control than on the ERM treatment.
Intervention effect Fruit scab severity was significantly greater on the control than on any treated trees in both years.
Observation Tree height had effects on scab severity in both seasons.
Intervention effect Harvested fruit were consistently heavier on trees receiving ERM sprays throughout the season.
Intervention effect Early-season ARM sprays had no large or lasting effect on scab control on leaflets or fruit.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Older leaflets had more severe scab on the control than on the ARM7 treatment in both seasons.

Taxon: pecanCarya illinoinensise0
Treatment: ARM7 treatmente4
Interactor: Venturia effusaVenturia effusae0pathogen
Outcome: scab on leafletse4
Direction: more severee4
Comparator: the controle4

Verbatim

e0
“Scab (caused by Venturia effusa) is the major yield limiting factor of pecan in the southeastern U.S.A.”
✓ located verbatim in the source · abstract, characters 0–103

e4
“For the older leaflet assessment in both seasons there was more severe scab on leaflets of the control compared to the ARM7 treatment”
✓ located verbatim in the source · abstract, characters 1200–1333

Title

The Effect of Early-season Alternate Row Middle Fungicide Application on Spray Coverage and Scab Severity in Tall Pecan Trees

Clive Bock; Mike W. Hotchkiss Plant Disease 2026. doi:10.1094/pdis-12-25-2452-re

Other claims from this paper (8)

Intervention effect ERM application gave at least twice the spray coverage of ARM applications in both seasons.
Intervention effect In 2018 scab severity on young leaflets was lowest with the ARM14 treatment compared with the other treatments.
Intervention effect In 2019 all three spray treatments had less severe scab than the control.
Intervention effect In 2019 older leaflets had more severe scab on the control than on the ERM treatment.
Intervention effect Fruit scab severity was significantly greater on the control than on any treated trees in both years.
Observation Tree height had effects on scab severity in both seasons.
Intervention effect Harvested fruit were consistently heavier on trees receiving ERM sprays throughout the season.
Intervention effect Early-season ARM sprays had no large or lasting effect on scab control on leaflets or fruit.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

In 2019 older leaflets had more severe scab on the control than on the ERM treatment.

Taxon: pecanCarya illinoinensise0
Treatment: ERM treatmente5
Interactor: Venturia effusaVenturia effusae0pathogen
Outcome: scab on leafletse5
Direction: more severee5
Comparator: the controle5

Verbatim

e0
“Scab (caused by Venturia effusa) is the major yield limiting factor of pecan in the southeastern U.S.A.”
✓ located verbatim in the source · abstract, characters 0–103

e5
“For the older leaflet assessment in both seasons there was more severe scab on leaflets of the control compared to the ARM7 treatment, and in 2019 compared to the ERM treatment as well”
✓ located verbatim in the source · abstract, characters 1200–1384

Title

The Effect of Early-season Alternate Row Middle Fungicide Application on Spray Coverage and Scab Severity in Tall Pecan Trees

Clive Bock; Mike W. Hotchkiss Plant Disease 2026. doi:10.1094/pdis-12-25-2452-re

Other claims from this paper (8)

Intervention effect ERM application gave at least twice the spray coverage of ARM applications in both seasons.
Intervention effect In 2018 scab severity on young leaflets was lowest with the ARM14 treatment compared with the other treatments.
Intervention effect In 2019 all three spray treatments had less severe scab than the control.
Intervention effect Older leaflets had more severe scab on the control than on the ARM7 treatment in both seasons.
Intervention effect Fruit scab severity was significantly greater on the control than on any treated trees in both years.
Observation Tree height had effects on scab severity in both seasons.
Intervention effect Harvested fruit were consistently heavier on trees receiving ERM sprays throughout the season.
Intervention effect Early-season ARM sprays had no large or lasting effect on scab control on leaflets or fruit.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Fruit scab severity was significantly greater on the control than on any treated trees in both years.

Taxon: pecanCarya illinoinensise0
Treatment: any of the treated treese6
Interactor: Venturia effusaVenturia effusae0pathogen
Outcome: severity of scab on fruite6
Direction: significantly greatere6
Comparator: the controle6

Verbatim

e0
“Scab (caused by Venturia effusa) is the major yield limiting factor of pecan in the southeastern U.S.A.”
✓ located verbatim in the source · abstract, characters 0–103

e6
“In both years the severity of scab on fruit on the control was significantly greater than on fruit on any of the treated trees”
✓ located verbatim in the source · abstract, characters 1438–1564

Title

The Effect of Early-season Alternate Row Middle Fungicide Application on Spray Coverage and Scab Severity in Tall Pecan Trees

Clive Bock; Mike W. Hotchkiss Plant Disease 2026. doi:10.1094/pdis-12-25-2452-re

Other claims from this paper (8)

Intervention effect ERM application gave at least twice the spray coverage of ARM applications in both seasons.
Intervention effect In 2018 scab severity on young leaflets was lowest with the ARM14 treatment compared with the other treatments.
Intervention effect In 2019 all three spray treatments had less severe scab than the control.
Intervention effect Older leaflets had more severe scab on the control than on the ARM7 treatment in both seasons.
Intervention effect In 2019 older leaflets had more severe scab on the control than on the ERM treatment.
Observation Tree height had effects on scab severity in both seasons.
Intervention effect Harvested fruit were consistently heavier on trees receiving ERM sprays throughout the season.
Intervention effect Early-season ARM sprays had no large or lasting effect on scab control on leaflets or fruit.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Tree height had effects on scab severity in both seasons.

Taxon: pecanCarya illinoinensise0
Interactor: Venturia effusaVenturia effusae0pathogen
Outcome: effects of tree height on scab severitye7

Verbatim

e0
“Scab (caused by Venturia effusa) is the major yield limiting factor of pecan in the southeastern U.S.A.”
✓ located verbatim in the source · abstract, characters 0–103

e7
“In both seasons there were effects of tree height on scab severity”
✓ located verbatim in the source · abstract, characters 1645–1711

Title

The Effect of Early-season Alternate Row Middle Fungicide Application on Spray Coverage and Scab Severity in Tall Pecan Trees

Clive Bock; Mike W. Hotchkiss Plant Disease 2026. doi:10.1094/pdis-12-25-2452-re

Other claims from this paper (8)

Intervention effect ERM application gave at least twice the spray coverage of ARM applications in both seasons.
Intervention effect In 2018 scab severity on young leaflets was lowest with the ARM14 treatment compared with the other treatments.
Intervention effect In 2019 all three spray treatments had less severe scab than the control.
Intervention effect Older leaflets had more severe scab on the control than on the ARM7 treatment in both seasons.
Intervention effect In 2019 older leaflets had more severe scab on the control than on the ERM treatment.
Intervention effect Fruit scab severity was significantly greater on the control than on any treated trees in both years.
Intervention effect Harvested fruit were consistently heavier on trees receiving ERM sprays throughout the season.
Intervention effect Early-season ARM sprays had no large or lasting effect on scab control on leaflets or fruit.