The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Plant Growth Promoting Fungi Isolated from Rhizosphere of Zoysiagrass in Korea

잔디 근권에서 분리한 식물생장촉진 균류

  • Park, Myung-Soo (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Yu, Seung-Hun (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University)
  • 박명수 (충남대학교 농업생명과학대학 응용생물학과) ;
  • 유승헌 (충남대학교 농업생명과학대학 응용생물학과)
  • Published : 2005.06.30
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Abstract

Fifteen PGPF (plant growth promoting fungi) isolates were selected from 728 fungal isolates collected from rhizosphere of zoysiagrass in Korea. Identification of the 15 isolates was based on their morphological characteristics. They were classified as Gliocladium sp. (n=1), Penicillium sp. (n=5), Trichoderma sp. (n=3), Fusarium sp. (n=3), and unidentifed species (n=3). Of the 15 isolates, six (PF-31, PF-136, PF-238, PF-255, PF-395, PF-420) significantly promoted the growth of tomato seedlings, and three (PF-31, PF-101, PF-255) also promoted the growth of hot pepper and two (PF-31, PF-225) also promoted the growth of cucumber, The 15 PGPF isolates were divided into 4 groups based on root colonizing ability. Isolates PF-17, PF-101 and PF-225 were included in the group 1, which had high root colonizing ability.

전국 각 지역의 잔디 근권에서 분리한 728 균주의 균류 중에서 식물(토마토) 생장 촉진 효과를 보이는 15 균주의 PGPF를 선발하였다. 분리된 PGPF 15 균주의 동정을 위하여 형태적 특징을 조사하였던 바 Gliocladium sp.가 1균주, Penicillium sp.가 5균주, Trichoderma sp.가 3균주, Fusarium sp.가 3균주, 및 미동정균 3균주로 분류되었다. PGPF 15균주 중 6균주(PF-31, PF-136, PF-238, PF-225, PF-395, PF-420)는 토마토 유묘의 생장을 현저히 촉진하였으며, 3균주(PF-31, PF-101, PF-255)는 고추의 생장을, 2균주(PF-31, PF-255)는 오이의 생장도 촉진하였다. PGPF 15 균주를 뿌리 정착 능력에 따라 4그룹으로 나눌 수 있었으며, 그 중 식물생장촉진 효과가 우수한 PF-17, PF-101, 및 PF-225은 뿌리 정착력이 우수한 group 1에 속하였다.

Keywords

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