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NTIS 바로가기Korean journal of crop science = 韓國作物學會誌, v.61 no.1, 2016년, pp.41 - 49
김경희 (동국대학교 생명과학과) , 문준철 (강원대학교 농업생명과학연구원) , 김재윤 (고려대학교 생명과학대학 생명공학부) , 김효철 (동국대학교 생명과학과) , 신승호 (동국대학교 생명과학과) , 송기태 (동국대학교 생명과학과) , 백성범 (국립식량과학원 전작과) , 이병무 (동국대학교 생명과학과)
This study was conducted to evaluate maize downy mildew resistance using spreader row technique in Cambodia. A total of forty maize lines were used in this experiment. Seven Korean varieties and seven breeding lines showed high infection rates (80~100%) and highly susceptible (HS) to downy mildew di...
핵심어 | 질문 | 논문에서 추출한 답변 |
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아시아에서 발병하는 주요 노균병 종류는? | 옥수수에서 발병하는 노균병은 노균병균과(Peronosporaceae)에서 Peronosclerospora속과 Sclerophthora속에 속하며 주로 열대 아시아에서 발생한다. 아시아에서 발병하는 주요 노균병 종류는 Sorghum downy mildew (Peronosclerospora sorghi), Philippine downy mildew (Peronosclerospora philippinensis), Java downy mildew (Peronosclerospora maydis), Sugarcane downy mildew (Peronosclerospora sacchari), Brown stripe downy mildew (Sclerophthora rayssiae var. zeae) 등이 있다(George et al., 2003). | |
옥수수에서 발병하는 노균병의 특징은? | , 2003). 옥수수 노균병은 병원균 종류에 따라 전염 특성이 다양하며, 병원균이 발생하는 온도 조건도 각각 다르다(CIMMYT, Table 2). 노균병은 1975년에 남부 나이지리아 주의 옥수수 포장에서 처음 발견되어 1992년까지 6개 주를 거쳐 노균병이 확산되었으며(Fajemisin, 1980; Anaso et al., 1987; Olanya et al., 1993; Cardwell et al., 1997a), 이후 남부 나이지리아에서 발생한 노균병은 Peronosclerospora sorghi (Sorghum downy mildew; SDM)으로 확인되었다(Olanya et al., 1993). | |
노균병이란? | 노균병(downy mildew)은 살아있는 식물체에서만 생존이 가능한 순활물기생균으로 포도, 오이, 상추, 시금치, 콩, 양파, 홉, 수수, 사탕수수 등의 채소, 밭작물 및 박과작물에서 자주 발병하며, 벼, 밀, 옥수수 등의 화곡류 작물에서도 발생한다(Agrios, 2004, Table 1). 노균병은 식물체 표면에 수막이 형성될 때 침입하고, 포자난경 위에 포자를 형성하며, 포자낭경은 잎의 아래쪽 혹은 양면의 기공을 통해서 식물조직으로부터 바깥으로 서릿발 같이 하얗게 집단적으로 형성하여 공기중으로 전파되는 공기전염성 식물병이다. |
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