Necrotic lesion in phloem with resin pocket caused by P. austrocedrae
Photo Gallery
Necrotic lesion in phloem caused by P. austrocedrae |
P. nicotianae colony morphology on V8 Phytophthora nicotianae CBS 321.49 V8 after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. pinifolia sporulation Sporulation on edge of hemp seed, photo from Q-bank, used with permission. |
P. agathadicida disease symptom Excavated lesion, with outer bark removed showing extent of disease-front |
Boot wash to station to control spread of P. agathidicida Use of hypochlorite solution applied through a “livestock drench-gun”, integrated with a soil grate to allow potentially contaminated soil to be collected |
P. austrocedrae irregular sporangium P. austrocedrae - irregular sporangium with lateral attachment and swelling in sporangiophore |
P. katsurae growth morphology on β-CMA Growth morphology at 7 days on β-CMA |
P. megasperma oogonium Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. cactorum bleeding canker Bleeding canker on red oak (Quercus rubra) |
P. megakarya disease symptoms on Theobroma cacao
Symptoms of black pod disease of cocoa (T. cacao)
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P. cambivora colony morphology on PDA Rosaceous colony morphology at 14 days at 20°C on PDA |
P. arenaria sporangia Typical ovoid papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract |