Res. Plant Dis > Volume 25(3); 2019 > Article
Research in Plant Disease 2019;25(3):149-155.
DOI: https://doi.org/10.5423/RPD.2019.25.3.149    Published online September 30, 2019.
선충 종류별 4종 포식성곰팡이의 포식력 차이
강헌일1 · 최인수1,2 · 박남숙2 · 배창환3 · 김동근2*
1부산대학교 생명자원과학대학 식물생명과학과
2부산대학교 생명자원과학대학 선충연구센터
3환경부 국립생물자원관 생물자원활용부
 
Nematode-Trapping Fungi Showed Different Predacity among Nematode Species
Heonil Kang1, Insoo Choi1,2, Namsook Park2, Changhwan Bae3, Donggeun Kim2
1Plant Bioscience, College of Natural Resources and Life Science, Pusan National University, Miryang 50463, Korea
2Nematode Research Center, Life and Industry Convergence Research Institute, Pusan National University, Miryang 50463, Korea
3Biological and Genetic Resources Assessment Division, National Institute of Biological Resources, Incheon 22689, Korea
Correspondence:  Donggeun Kim,*Tel: +82-55-350-5692
Fax: +82-55-350-5509
E-mail: kimdgkr@naver.com
ORCID
https://orcid.org/0000-0002-9858-6593
Received: May 01, 2019   Revised: July 24, 2019   Accepted: August 16, 2019
Abstract
Nematode-trapping fungi develop trap and consume nematodes are an important part of the subsoil ecosystem and they share a special predator-prey relationship. Four nematode-trapping species, there with adhesive network, Arthrobotrys oligospora, A. sinensis, A. thaumasia and one with constricting ring, Drechslerella brochopaga were collected from soils in Korea and tested their predacity against 12 different nematode species. They were three feeding groups, plant-parasitic (Meloidogyne incognita and Pratylenchus penetrans), fungivorous (Aphelenchus avenae), bacteriovorous (Betlerius sp. and Diplogasteritus sp. in diplogasterid, Panagrolaimus labiatus, P. multidentatus in panagrolaimid, Mesorhabditis irregularis, Pelodera strongyloides and Rhabditis sp., in rhabditid, and Acrobeloides sp. in cephalobid). Results showed that nematode-trapping fungi successfully captured most of nematodes in Petri dish in the group of plant-parasitic nematodes and rhabditids, moderately and variably in other nematodes in 15 days. But it didn’t captured A. avenae and Acrobeloides sp. both belongs to c-p group 2. Numbers of Acrobeloides sp. and A. avenae even increased during the test period. The results of this study indicated that nematode-trapping fungi may have specificity among nematode species.
Key Words: Biocontrol, c-p group, Feeding group, Nematophagous fungi, Specificity
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