A previously unknown Exobasidium disease was observed on the fruits of Camellia japonica in Korea. The associated fungus was identified as Exobasidium camelliae based on morphological characteristics and internal transcribed spacer and large-subunit rDNA sequence analyses. To our knowledge, this is the first report of E. camelliae on C. japonica in Korea. How to cite this article: Park J-H, Jung B-N, Choi B-K, Shin H-D. First report of Exobasidium camelliae associated with fruit galls on Camellia japonica in Korea. Forest Pathology.
TiO2coated mica (TiO2/Mica) as solar reflective pigment was prepared under hydrothermal treatment. Dispersed TiO2nanosol, having an average particle size of about 25-30nm, was coated on mica flake by the difference between the surface charge of the particles at pH 2 and then calcined at 850°C to stabilize the coated layer on mica. The CIE color coordinate and total solar reflectance (TSR) properties of these pigments were investigated in relation to thickness variation of TiO2layer coated on mica having various lateral sizes. Dense and uniform TiO2layers were tightly coated on the surfaces on mica substrates. Isolation-heat paints were prepared with 20wt% pigments fully dispersed in acryl-urethane resin and several additives to coat the film uniformly. Thermal property of these films, recorded by an isolation-heat measuring system, was observed for the relationship of TSR value according to the thickness of TiO2layer and mica’s lateral size, compared to TiO2itself.
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