Paper · 1976 · PANS

Terminalia ivorensis Decline in Ghana

A. Ofosu-Asiedu; P. Cannon

4
claims
7
verbatim quotes
4
citations
2
research areas
—
Not open access

Abstract

Abstract A die-back of Terminalia ivorensis (A. Chev.) is causing widespread damage to this valuable timber species in plantations throughout the tree's natural range in Ghana and Ivory Coast. In this article the characteristic symptoms of T. ivorensis die-back and other relative information are provided. Surveys in both countries show that abnormally chlorotic and diminutive leaves are the first obvious indicators of die-back followed by leaf fall and die-back of branches. Staining of sapwood is commonly found in affected trees and this is usually closely associated with the presence of a fungus of the genus Endothia (Fr.).

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Claims 4

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Terminalia ivorensis die-back causes widespread plantation damage in Ghana and Ivory Coast.

Taxon
Terminalia ivorensisTerminalia ivorensise0
Outcome
widespread damagee0
Setting
Ghana and Ivory Coaste0

Verbatim

e0

“A die-back of Terminalia ivorensis (A. Chev.) is causing widespread damage to this valuable timber species in plantations throughout the tree's natural range in Ghana and Ivory Coast”

✓ located verbatim in the source · abstract, characters 9–191 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Chlorotic and diminutive leaves are the first obvious indicators of Terminalia die-back.

Taxon
Terminalia ivorensisTerminalia ivorensist0
Organ / stage
leavese0
Outcome
abnormally chlorotic and diminutive leavese0

Verbatim

e0

“abnormally chlorotic and diminutive leaves are the first obvious indicators of die-back”

✓ located verbatim in the source · abstract, characters 343–430 · show in text ↑
t0

“Terminalia ivorensis”

✓ located verbatim in the source · title, characters 0–20 · show in text ↑
Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Leaf fall and branch die-back follow initial leaf symptoms.

Taxon
Terminalia ivorensisTerminalia ivorensist0
Outcome
leaf fall and die-back of branchese0

Verbatim

e0

“followed by leaf fall and die-back of branches”

✓ located verbatim in the source · abstract, characters 431–477 · show in text ↑
t0

“Terminalia ivorensis”

✓ located verbatim in the source · title, characters 0–20 · show in text ↑
Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Sapwood staining is common in affected trees and closely associated with Endothia presence.

Taxon
Terminalia ivorensisTerminalia ivorensist0
Organ / stage
sapwoode0
Interactor
EndothiaEndothiae0pathogen
Outcome
Staining of sapwoode0

Not reportedDirection

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

Endothia
Endothia · InteractorAnnie Weissman · CC BY 4.0 · Wikimedia Commons ↗

Verbatim

e0

“Staining of sapwood is commonly found in affected trees and this is usually closely associated with the presence of a fungus of the genus Endothia (Fr.).”

✓ located verbatim in the source · abstract, characters 479–632 · show in text ↑
t0

“Terminalia ivorensis”

✓ located verbatim in the source · title, characters 0–20 · show in text ↑