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Fusarium(Calonectria) nivale에 의한 맥류의 신병해
성재모,정봉조,Sung J. M.,Chung B. J.,Snyder W. C. 한국응용곤충학회 1977 한국식물보호학회지 Vol.16 No.4
Early in the growing season of 1976, rain and cool weather favored the blighting of leaves of young plants of barley by Fusarium nivale. The fungus was recovered in culture from infected foliage, and the perithecia of Calonectria nivalis were demonstrated to be present as well as the Fusarium state. On 22 April 1976, in Suweon, plants pulled at random revealed stem lesions from which F. nivale was cultured. On S May 1976 near Kwangju. Perithecia were found embedded within leaf sheaths and blades of mature wheat and barley plants. It was evident in the 1976, 1977 season that Fusarium(Calonectria) nivale was common but unrecognized as an early season pathogen of barley in Korea. The probable source of primary inoculum was the infected refuse from the previous season's barlry and wheat crops. Stem lesions caused by this fungus were considered to he detrimental to the maximum yield of barley or wheat.
12. Gaeumannomyces graminis var. tritic 에 의한 벼모종의 Sheath Rot 병
성재모,Lee, S. C.,박종성 한국균학회 1983 韓國菌學會誌 Vol.11 No.1
Gaeumannomyces graminis var. tritici was first isolated from rice in 1981. Sheath rot of rice seedling in box culture for machine transplanting was produced by artificial inoculation of the causal organism. Especially sheath rot was developed from crown to leaf sheath above water level. Perithecia were usually formed in dead leaf sheaths and in culture. They were black, globose, and immersed with obliquely erumpent neck. Asci were unitunicate with an apical ring and contained g spores. Ascospores were hyline, slender, and 80∼104㎛ in length. Each spore showed 3∼4 septa. Based on mycological and cultural characteristics, the isolate from rice seeds was identified as Gaeumannomyces graminis (Sacc.) Arx & Olivier tritici J. walker.