Abstract
잇꽃 녹병이 2001년 경상북도 의성군 일대의 dltRHc 재배농가에서 발생하였다. 조사지역의 발병엽율은 약 15%이었다. 병징은 잎에 흑갈색의 반점이 생기며 주변이 변색하였고 적갈색의 포자가 많이 형성되었다. 여름포자는 구형 또는 난형을 담갈색이며 크기는 21~23 x 21~25<TEX>${\mu}m$</TEX> 이다. 겨울포자는 난형을 hghkdrkftor 내지 밤색이며 크기는 35~40 <TEX>${\mu}m$</TEX> 27~33<TEX>${\mu}m$</TEX>이며 격막에 의해 나누어진 두 개의 세포로 구성되어 있다. 자루부분은 무색으로 투명하며 길이는 15~30<TEX>${\mu}m$</TEX> 이었다. 병징과 균학적 특성을 검정한 sruf과 이병을 Puccinia carthami에 의한 잇꽃 녹병으로 명명하고자 제안한다. Rust diseases were found on safflower (Carthamus thinctorius) fields located in Euisong-gun Gyengbuk province in Korea. The infection rate of the disease in surveyed area was about 15% in 2001. The typical symptoms of the disease appeared first as small white spots on the leaf and turn brownish, dark brown spores revealed on them. Uredospores were light brown in color, ellipsoid or spherical in shape and 21~23 <TEX>${\times}$</TEX> 21~25<TEX>${\mu}m$</TEX> in size. Teliospores were chestnut-brown in color, ellipsoid or ovoid in shape and 35~40 <TEX>${\times}$</TEX> 27~33<TEX>${\mu}m$</TEX> in size. Pedicels were non-color of limpidness in color and 15~30<TEX>${\mu}m$</TEX> in size. The causal fungus was identified as Puccinia carthami, based on morphological charateristics. This is first report on the rust of safflower caused by Puccinia carthami in Korea.
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