Abstract
SYNOPSIS A preliminary investigation of pests and diseases of mature Widdringtonia cedarbergensis growing in natural stands and plantations in the Cedarberg was undertaken. No severe diseases or insect problems were found and only limited mortality of trees was observed. Various insects and fungal pathogens were found but no single factor was correlated with tree health. However, the health of cedars was lower in the plantations than in natural stands. Pathogens such as Phytophthora cinnamomi which have been found on W. cedarbergensis seedlings used to establish plantations, were not more prevalent in plantations than in natural stands. However, seedlings are potential means by which foreign pathogens and pests might be introduced into cedar stands.
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Claims 5
Claim · model-written summary
No severe diseases or insect problems were found on mature Widdringtonia cedarbergensis trees.
- Taxon
- Widdringtonia cedarbergensis
_-_Mendocino_Coast_Botanical_Gardens_-_DSC02048.JPG?width=60)
Widdringtonia cedarbergensise0 - Outcome
- severe diseases or insect problemse1
- Setting
- plantations in the Cedarberge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_-_Mendocino_Coast_Botanical_Gardens_-_DSC02048.JPG?width=500)
Verbatim
e0“pests and diseases of mature Widdringtonia cedarbergensis growing in natural stands and plantations in the Cedarberg”
e1“No severe diseases or insect problems were found”
Claim · model-written summary
Only limited tree mortality was observed in mature Widdringtonia cedarbergensis.
- Taxon
- Widdringtonia cedarbergensisWiddringtonia cedarbergensise0
- Outcome
- mortality of treese2
- Qualifier
- limitede2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pests and diseases of mature Widdringtonia cedarbergensis growing in natural stands and plantations in the Cedarberg”
e2“only limited mortality of trees was observed”
Claim · model-written summary
Various insects and fungal pathogens were found on mature Widdringtonia cedarbergensis, but no single factor was correlated with tree health.
- Taxon
- Widdringtonia cedarbergensisWiddringtonia cedarbergensise0
- Interactor
- fungal pathogense3pathogen
- Outcome
- tree healthe3
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pests and diseases of mature Widdringtonia cedarbergensis growing in natural stands and plantations in the Cedarberg”
e3“Various insects and fungal pathogens were found but no single factor was correlated with tree health”
Claim · model-written summary
The health of cedars was lower in the plantations than in natural stands.
Verbatim
e4“the health of cedars was lower in the plantations than in natural stands”
Claim · model-written summary
Phytophthora cinnamomi, found on W. cedarbergensis seedlings used for plantations, was not more prevalent in plantations than in natural stands.
- Taxon
- W. cedarbergensisWiddringtonia cedarbergensise5
- Interactor
- Phytophthora cinnamomi
Phytophthora cinnamomie5pathogen - Outcome
- more prevalente5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“Pathogens such as Phytophthora cinnamomi which have been found on W. cedarbergensis seedlings used to establish plantations, were not more prevalent in plantations than in natural stands”