Crown decline of mature kauri, with branchlets with little or no leaves
Photo Gallery
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P. agathidicia disease symptoms on kauri |
Vehicle washing Truck washing to avoid spread of P. lateralis |
P. nicotianae colony morphology on PDA Phytophthora nicotianae CBS 321.49 PDA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia Sporangia showing ovoid and ovoid to spherical shape and papillate condition |
P. cryptogea hyphal swellings Cluster of small, angular to globose hyphal swellings formed in water |
P. pseudosyringae sporangium Ovoid, semipapillate sporangia showing medium length pedicel |
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P. ramorum canker Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
P. cambivora active lesion on chinquapin P. cambivora active lesion on chinquapin |
P. cambivora colony morphology on PDA Cottony colony morphology at 14 days at 20°C on PDA |
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P. lateralis sporangia Sporangia of P. lateralis showing internal and external proliferation |
Growth of P. megakarya on V8 agar Growth of P. megakarya on V8 agar |
P. pinifolia sporangium Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |


