Claim · model-written summary
The two Armillaria species had similar root infection frequency on all three tree hosts.
- Taxon
- D ouglas‐fir, western hemlock and western redcedar
Thuja plicata
Pseudotsuga menziesii.jpg?width=60)
Tsuga heterophyllae1 - Interactor
- A . sinapina
Armillaria sinapinae0pathogen - Second interactor
- A . ostoyae
Armillaria ostoyaee0pathogen - Outcome
- infection of rootse0
- Direction
- Similare0
Verbatim
e0“Similar percentages of inoculations resulting in infection of roots on the three hosts indicate that A . sinapina and A . ostoyae are equally pathogenic.”
e1“D ouglas‐fir, western hemlock and western redcedar”
Title
M. R. Cleary; B. J. van der Kamp; D. J. Morrison Forest Pathology 2012. doi:10.1111/j.1439-0329.2012.00782.x
Other claims from this paper (12)
- Observation A. ostoyae was more virulent than A. sinapina on the studied hosts.
- Observation A. ostoyae exudates appeared to cause root lesions.
- Observation A. ostoyae invasion was associated with more frequent defensive tissue formation and compartmentalization.
- Observation A large proportion of roots showed no visible response to A. ostoyae.
- Observation A. ostoyae advancing in inner bark elicited large zones of impervious tissue.
- Observation A. ostoyae frequently breached necrophylactic periderm barriers.
- Observation A. sinapina spread more slowly than A. ostoyae, particularly in Douglas-fir and western hemlock.
- Observation A. ostoyae induced a stronger host response in western redcedar than A. sinapina.
- Observation A. ostoyae extended the induced rhytidome response in western redcedar.
- Observation A. ostoyae induced traumatic phloem resin ducts in western redcedar.
- Observation A. ostoyae produced higher numbers of barrier-zone polyphenolic parenchyma in western redcedar.
- Association Damage from A. sinapina was always associated with high inoculum potential.