• 제목/요약/키워드: 먹들이병

검색결과 2건 처리시간 0.017초

고추냉이 먹들이병(Phoma wasabiae)의 종자소독 효과 (Disinfection of Seed Borne Black Leg Disease(Phoma wasabiae) in Wasabi(Wasabia japonica Matsum.))

  • 문정섭;김형무;최동칠;홍윤기;성문호;장영직;고복래;오남기;최영근
    • 생물환경조절학회지
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    • 제12권4호
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    • pp.180-183
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    • 2003
  • 변색된 종자에서 분리된 P. wasabiae에 접종된 종자는 평균 52.4%의 낮은 발아율을 보였으나 benomyl 침지처리에 의해 발아율이 83.3%로 향상되었다. 멸균 토양에 파종된 접종종자는 28.0%의 먹들이병, 12.7%의 모잘록병 발병률을 보였으나, benomyl로 침지처리된 종자는 먹들이병 6.0%, 모잘록병 4.7%의 낮은 발병률을 나타냈다. P. wasabiae가 접종된 토양에 공시 약제로 처리된 종자를 파종한 결과 먹들이병 발병률은 약제를 처리하지 않은 종자의 32.0%에 비해 benomyl 침지처리에서 12.0%로 발병이 억제되었고, 모잘록병은 10.7%의 가장 낮은 발병률을 보였다.

Phoma wasabiae에 의한 고추냉이 먹들이병(묵입병) (Black Leg Disease in Wasabi Caused by Phoma wasabiae)

  • 김형무;김경태;송완엽
    • 한국식물병리학회지
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    • 제14권6호
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    • pp.729-731
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    • 1998
  • A black leg disease in wasabi occurred, showed black spots on the leaves, changed a rhizome color to black by invading the vascular bundles of stem and root, thus lowered the quality of the rhizome. The mycelium of the pathogen was yellow at first and then turned to dark yellow on oat meal agar medium. The pycnidium was globose or subglobose, dark brown in color, and 44~120$\times$28~170 ${\mu}{\textrm}{m}$ in size and had one or two ostioles on the upper part. The pycnidiospores are single-celled, hyaline, and 4~6$\times$1.2~2.3 ${\mu}{\textrm}{m}$ in size. The causal pathogen was identified as Phoma wasabiae. The black leg disease of wasabi occurred within the range of 28 to 32% at Chonbuk province in 1994~1995. The disease was appeared from April to October and severe in June and July. The black leg caused by P. wasabiae was first described in Korea.

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