Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

First report of leaf blight caused by Phytophthora colocasiae infecting taro in Turkey.

Abstract

Taro plants (unknown cultivar) with leaf blight were observed in a home garden in Anamur (Turkey) in October 2004. The disease severity (percentage leaf area diseased) was approximately 30% and the disease incidence was 50%. The leaves were exhibiting white sporulation on the brown, water-soaked lesions. Sporangia with apical papilla were produced on unbranched or sparingly branched sporangiophores. Based on morphological characteristics, sequence analysis of the rDNA internal transcribed spacer region and pathogenicity test, the causal agent was identified as P. colocasiae. This is thought to be the first report of leaf blight caused by P. colocasiae infecting taro in Turkey.