Research in Plant Disease 2003;9(3):125-127.
Published online September 30, 2003.
Puccinia iridis에 의한 붓꽃 녹병의 발생
권진혁, 박창석
Rust of Iris nertschinskia Caused by Puccinia iridis
Jin Hyeuk Kwon, Chang Seuk Park
Rust disease was occurred on Iris in several farmer`s fields located in Hoehwa-myon, Goseong-gun, Gyeongnam province in Korea. The typical symptoms of the disease appeared first as small, yellowish spot on leaves. The spots then turn brown, their edges rised slightly, and powdery mass of yellowish brown spores revealed on the lesions. Severely infected leaves were blighted and eventually died. Urediniospores were yellowish brown to reddish brown in color, globoid to obovoid in shape and 22~30 × 21~25 mm in size. Teliospores were chestnet-brown in color, oblong or clavate in shape and 32~54 × 12~22 mm in size. The causal fungus was identified as Puccinia iridis, based on morphological characteristics. This is the first report on the rust of Iris nertschinskia caused by Puccinia iridis in Korea.
Key Words: Iris nertschinskia, Puccinia iridis, rust

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