A stand of Pinus radiata trees affected by red needle cast disease. Note that frequently only the lower part of the crown is affected.
Photo Gallery
P. pluvialis on Pinus radiata in New Zealand |
P. lateralis on Port Orford cedar Root lesions on Chaemacyparis lawsoniana |
Tāne Mahuta “Lord of the Forest” kauri tree Tāne Mahuta “Lord of the Forest” is a giant kauri tree (approximately 47 metres in height) in the Waipoua Forest of Northland Region, New Zealand. Its age is unknown but is estimated to be between 1,250 and 2,500 years |
P. cinnamomi hyphal swellings P. cinnamomi hyphal swellings (or thin walled chlamydospores) |
Black pod disease of cacao caused by P. palmivora Black pod of cacao in Ecuador caused by P. palmivora (see lesioned fruit on left). |
P. tentaculata on V-8 media Culture of P. tentaculata on V-8 media |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |
Necrotic lesion in phloem caused by P. austrocedrae Necrotic lesion in phloem with resin pocket caused by P. austrocedrae |
P. pseudotsugae sporangium Broadly ovoid, papillate sporangium in water |
P. kernoviae disease on European beech Bleeding lesion on trunk of Fagus sylvatica |
P. pseudosyringae hyphal swellings Sub-globose hyphal swellings in water |
Phytophthora cactorum canker on beech tree Canker on Fagus sp. caused by Phytophthora cactorum. |