Susceptibility of Douglas fir (Pseudotsuga menziesii) to pitch canker, caused by Gibberella circinata (anamorph = Fusarium circinatum)

For better characterization of the risk of pitch canker (caused by Gibberella circinata, anamorph = Fusarium circinatum) to Douglas fir (Pseudotsuga menziesii), Californian isolates, selected exotic isolates, and ascospore progeny of a cross between wild‐type Californian isolates were tested for agg...

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Bibliographic Details
Published in:Plant pathology 2006-04, Vol.55 (2), p.231-237
Main Authors: Gordon, T.R, Kirkpatrick, S.C, Aegerter, B.J, Wood, D.L, Storer, A.J
Format: Article
Language:English
Subjects:
aggressiveness
Biological and medical sciences
cankers (plants)
disease resistance
forest pathology
forest trees
Fundamental and applied biological sciences. Psychology
fungal diseases of plants
Fusarium
Fusarium circinatum
genetic variation
Gibberella
Gibberella circinata
pathogenicity
Phytopathology. Animal pests. Plant and forest protection
Pseudotsuga menziesii
seedling diseases
tree diseases
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Summary:For better characterization of the risk of pitch canker (caused by Gibberella circinata, anamorph = Fusarium circinatum) to Douglas fir (Pseudotsuga menziesii), Californian isolates, selected exotic isolates, and ascospore progeny of a cross between wild‐type Californian isolates were tested for aggressiveness to this host species. In addition, seedlings from representative provenances of P. menziesii in California were tested for susceptibility to pitch canker. The results revealed only minor differences between isolates, but differences in susceptibility between trees were often significant. The majority of the tested trees were relatively resistant as indicated by the development of only very short lesions, but some were clearly susceptible.
ISSN:0032-0862
1365-3059
DOI:10.1111/j.1365-3059.2006.01351.x