First Report of Septoria centellae Associated with Leaf Spot of Centella asiatica in Korea.

Septoria centellae associated with leaf spot of Centella asiatica is reported for the first time in Korea. The fungus is described and illustrated in detail. It is also compared with related species of Septoria present on Centella and Hydrocotyle spp.

First Report of Powdery Mildew Caused by Erysiphe betae on the Invasive Weed Dysphania ambrosioides in Korea.

Dysphania ambrosioides (L.) Mosyakin & Clemants (formerly Chenopodium ambrosioides L.), commonly known as epazote, is an herb that is native to Central America, South America, and southern Mexico.

Molecular phylogeny and evolution of the genus Neoerysiphe (Erysiphaceae, Ascomycota).

The genus Neoerysiphe belongs to the tribe Golovinomyceteae of the Erysiphaceae together with the genera Arthrocladiella and Golovinomyces. This is a relatively small genus, comprising only six species, and having ca 300 species from six plant families as hosts. To investigate the molecular phylogeny and evolution of the genus, we determined the nucleotide sequences of the rDNA ITS regions and the divergent domains D1 and D2 of the 28S rDNA.

Geraldton Wax as a New Host for Agrobacterium tumefaciens in Argentina.

During 2004, Geraldton wax plants (Chamaelaucium uncinatum cv. BM Violet) from commercial greenhouses in La Plata, Argentina showed gall-like structures on collars and roots similar to those reported by Carsten et al. (2).

First Report of Fusarium solani Causing Stunt on Lisianthus.

Fusarium solani Mart. (Sacc.) is the causal agent of stem rot and damping-off of lisianthus (Eustoma grandiflorum (Raf.