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


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.


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