Occurence of Rust Disease Caused by Puccinia oxalidis on Oxalis triangularis in the Czech Republic - Short Communication

摘要

This is the first report of Puccinia oxalidis causing leaf spot diseases on ornamental Oxalis triangularis subsp. papi-lionaceae cv. Atropurpurea in Moravia, Czech Republic. The macroscopic symptoms and microscopic features are described.Oxalis triangularis A. St.-Hil. (syn. Oxalis regnellii) is a bulbous perennial with a low, moderate growth habit. The cultivated variety O. triangularis subsp. papilionaceae cv. Atropurpurea with purple-black, triangular-shaped leaves is highly popular as an ornamental pot plant. In October 2012, rust-infected leaves were sampled from 50 plants of O. triangularis subsp. papilionaceae cv. Atropurpurea in a garden centre in Brno in South Moravia.