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- Vettraino, A.M.; Hberli, D.; Garbelotto, M.
- Australasian plant pathology 2008 v.37 no.1 pp. 72-73
- Laurus nobilis; Phytophthora ramorum; Quercus agrifolia; Umbellularia californica; chlamydospores; death; forests; leaves; saplings; sporulation; stem cankers; California
- ... Coast live oak (Quercus agrifolia) is a known host for Phytophthora ramorum, the casual agent of sudden oak death in California, with symptoms expressed as necrotic stem cankers. In the forest, leaves on two saplings in California were found to be infected with P. ramorum and these were associated with infected bay laurel (Umbellularia californica) trees. Coast live oak leaves supported sporulatio ...
- Frankel, Susan J.
- Australasian plant pathology 2008 v.37 no.1 pp. 19
- Lithocarpus densiflorus; Quercus; forest trees; Phytophthora ramorum; plant pathogenic fungi; fungal diseases of plants; disease control; United States; California; Oregon
- ... Oaks and tanoaks in California and Oregon coastal forests are being ravaged by sudden oak death. The exotic causal agent, Phytophthora ramorum, is an oomycete in the Straminipile group, a relative of diatoms and algae. P. ramorum also infects many popular horticultural plants (i.e. camellia and rhododendron), causing ramorum blight, with symptoms expressed as leaf spots, twig blight and shoot dieb ...