Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Damage and Occurrence of Pratylenchus vulnus and Paratylenchus sp. on Spray Chrysanthemum, Dendranthema grandiflourm Kitamura

스프레이국화재배지의 사과뿌리썩이선충과 침선충의 발생 및 피해

  • Lee, Jae-Kook (Agricultural Microbiology Div., Dept. of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Park, Byeong-Yong (Agricultural Microbiology Div., Dept. of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Choi, Dong-Ro (Agricultural Microbiology Div., Dept. of Agricultural Biology, National Academy of Agricultural Science, RDA) ;
  • Heo, Jae-Won (Naturobiotech Co., Ltd.)
  • 이재국 (국립농업과학원 농업생물부 농업미생물과) ;
  • 박병용 (국립농업과학원 농업생물부 농업미생물과) ;
  • 최동로 (국립농업과학원 농업생물부 농업미생물과) ;
  • 허재원 (내츄로바이오텍)
  • Published : 2008.12.30
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Abstract

Root-lesion nematode (Pratylenchus vulnus) and pin nematode (Paratylenchus sp.) were detected with high population density at the spray chrysanthemum greenhouse in Gumi, Gyeongbuk. The average density of P. vulnus and Paratylenchus sp. was 667 and 716 nematodes per 100 g soil and P. vulnus density were distributed 87% to the depth of $0{\sim}30$ cm in greenhouse. When spray chrysanthemum cv Chopin, was transplanted in September 2004 in greenhouse, P. vulnus were 854 nematodes/100 g soil in planting and increased 14,985 nematodes/100 g soils and 1g root after 10 weeks in harvest. Shoot weight and shoot height of spray chrysanthemum decreased 24.8% and 8.0% compared with non-infested P. vulnus after 10 weeks in greenhouse.

국화재배 포장에서 시들음증이 발생한 토양 내 식물기생선충의 종류와 발생 밀도 및 국화의 품질과 수량 피해 정도를 구명하였다. 구미 원예수출공사의 대규모 유리온실에서 발생한 식물기생선충의 종류는 사과뿌리썩이선충(Pratylenchus vulnus), 침선충(Paratylenchus sp.), 환선충(Criconemoides sp.)이 검출되었으며, 이중 사과뿌리썩이선충의 평균밀도는 토양 100 g당 667마리, 침선충은 716마리로 나타났고, 토양깊이별 분포는 $0{\sim}30$ cm사이에 87%가 분포하였다. 사과뿌리썩이선충의 국화 생육 기간의 밀도 변동은 정식전 토양 100 g당 854마리에서 정식 10주후에 토양 100 g과 뿌리 1 g에서 14,985마리로 17배 증가하였다. 국화 생육은 정식 10주후 무감염구에서 비해 초장은 8%, 생체중은 24.8% 감소하여 뿌리썩이선충이 국화 품질 및 수량에 영향을 주었다.

Keywords

References

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  2. Plant-parasitic nematodes of potential phytosanitary importance, their main hosts and reported yield losses vol.43, pp.2, 2013, https://doi.org/10.1111/epp.12050