A new species of Brasiliomyces (Erysiphaceae) on Dalbergia cultrata var. cultrata from Thailand

Abstract

A powdery mildew fungus on leaves of Dalbergia cultrata var. cultrata (Fabaceae) collected at the Queen Sirikit Botanical Garden in northern Thailand is proven to be a new species of the genus Brasiliomyces and is described as B. chiangmaiensis sp. nov. with light and SEM micrographs. Differences in known Brasiliomyces species are discussed, and a key to species of this genus is provided.

Notes on powdery mildews (Erysiphales) in Thailand II. Erysiphe species on Adoxaceae Anacardiaceae, Apocynaceae, Araliaceae, Aristolochiaceae, Bixaceae, Brassicaceae, Cleomaceae, Convolvulaceae, Cucurbitaceae and Euphorbiacea

“…According to Meeboon et al (2016) and Siahaan et al (2016a,b), the Southeast Asian region is expected to have many undescribed species of powdery mildew. This statement is supported by recent publications from this region, in particular from Indonesia and Thailand (To-anun et al 2003(To-anun et al , 2005Divarangkoon et al 2011;Monkhung et al 2011Monkhung et al , 2013Meeboon et al 2012aMeeboon et al , b, c, d, 2013Meeboon et al , 2016Hidayat et al 2014;Siahaan et al 2015Siahaan et al , 2016a. In this paper, we report additional information about Erysiphe from various hosts in Thailand.…”

“…Early reports on powdery mildew diversity from Thailand were carried out by and Amano (1986) and Sontirat et al (1994). Further works have been carried out since 2000 and several new taxa and new records mainly belonging to Erysiphe were reported (To-anun et al 2003(To-anun et al , 2005Divarangkoon et al 2011;Meeboon et al 2013Meeboon et al , 2016. In the latest report, a checklist of powdery mildews belonging to Podosphaera sect.…”

Molecular and morphological characterization of Phyllactinia cassiae-fistulae (Erysiphaceae; Ascomycota) from Thailand

“…colonies of anamorphic stage was stripped off from the leaf surfaces with clear adhesive tape or with a clean needle on teleomorphic stage, mounted on a microscope slide in distilled water. Morphological characteristics were measured in 30 replicates for each structure on anamorph: size and shape of conidia, conidiophore; position of the basal septum; shape and position of hyphal appressoria and presence or absence of fibrosin bodies (Toanun et al, 2005); on teleomorph: size and shape of chasmothecia, appendages, asci, ascospores (To-anun et al, 2003). Observation of conidial and ascospore germ tubes were carried out using the method of Hirata (1942).…”