Ink disease impact in sweet chestnut forest in Italy
Photo Gallery
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P. cambivora disease symptoms  |
Phytophthora cactorum canker on beech tree  Canker on Fagus sp. caused by Phytophthora cactorum. |
P. megakarya disease symptoms on Theobroma cacao fruit  Disease symptoms on a cocoa pod |
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P. austrocedrae oogonia drawing  P. austrocedrae. Morphology of oogonia, oospores and antheridia. Bar: 10 mm. Greslebin et al. 2007 |
Dying Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees |
Growth of P. megakarya on PDA  Growth of P. megakarya on potato dextrose agar |
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P. austrocedrae semipapillate sporangium  P. austrocedrae - semipapillate sporangium with off-center attachment. |
P. pinifolia on Pinus radiata  Pinus radiata impacted by DFP, note healthy new growth |
P. katsurae disease symptoms  Infected chestnut tree with girdling canker on stem |
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P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. nemorosa hyphal swellings  ‘Blistered’ hyphal swellings in agar |
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |