Research in Plant Disease 2005;11(1):35-38.
Published online June 30, 2005.
국내 딸기 시들음병 발생실태와 품종별 저항성 분석
남명현, 정석기, 김남규, 유성준, 김홍기
 
Resistance Analysis of Cultivars and Occurrence Survey of Fusarium Wilt on Strawberry
Myeong Hyeon Nam, Suck Kee Jung, Nam Gyu Kim, Sung Joon Yoo, Hong Gi Kim
Abstract
The occurrence of Fusarium wilt in strawberry fields in Korea was assessed from 2001 to 2003. Fusarium wilt was found from June to August in nursery beds, from September to October after planting in production beds, and from January to March during harvesting period. The symptoms were root rots, discolored vascular tissue in the crown and deformation and yellowing of central leaflets. The disease occurred in up to 30% of plants in 37 of 214 fields surveyed. Fusarium wilt occurred from cvs. ``Dochiodome``, ``Maehyang``, ``Redpearl``, ``Samaberry`` and ``Akihime`` and more severe from cvs. ``Samaberry``, ``Maehyang`` and ``Dochiodome``. Infested soils had high salt concentrations, high nitrogen, phosphate concentrations and low pH. The results of pathogenicity test showed that Fo47 and Fo79 isolated from cvs. ``Dochiodome`` and ``Samaberry`` were strong pathogenic to all of four cultivars, and ``Dochiodome``, ``Redpearl``, ``Maehyang`` were relatively susceptible to the all isolates.
Key Words: Fusarium wilt, Pathogenicity, Resistance analysis, Strawberry
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