An Unrecorded Species of Pratylenchus Ioosi Loof (Tylenchida: Pratylenchidae) from Tea in Korea

한국산기종 차나무뿌리썩이선충, Pratylenchus Ioosi Loof(참선충 목: 뿌리썩이선충科)

  • Park, Byeong-Yong (Division of Entomology, National Institute of Agricultural Science and Technology) ;
  • Park, Dong-Ro (Division of Entomology, National Institute of Agricultural Science and Technology) ;
  • Lee, Jae-Kook (Division of Entomology, National Institute of Agricultural Science and Technology) ;
  • Park, Young-Eoun (Div. of Environment Agriculture, Kyeongbuk, Agricultural Research and Extension Services) ;
  • Shin, Gil-Ho (Tea Experiment Station, Jeollanam-do Agricultural Research & Extension Services)
  • Published : 2002.12.01

Abstract

Pratylenchus loosi Loof, 1960 is recorded for the first time from Korea. The nematode was isolated from the roots of tea (Thea sinensis L.) and soil around the roots from Yeongam-gun, Jeo-llanam-do and Namjeju-gun, Jeju-do, Korea. This species has two lip annuli. The female is 433-646 $\mu\textrm{m}$ long: a= 29.1-37.5, b = 5.1-6.4, c = 15.0-21.3, vulva(%) = 73.0-85.4. The male body length is 408-512$\mu\textrm{m}$ long: a=36.1-40.0, b=4.8-6.7, c =17.0-19.0, and spicule = 14.1-18.0 $\mu\textrm{m}$. The stylet is 11.6-18.0 $\mu\textrm{m}$ long and the number of incisures is four. The shape of spermatheca filled with sperm is broadly rounded, oval and quadrangular The shape of tail is narrowly round to subacute.

차나무뿌리썩이선충(Pratylenchus loosi)이 국내에서 처음으로 전라남도 명암군과 제주도 남제주군의 차나무 뿌리와 주변 중에서 발견되었다. 차나무뿌리썩이선충의 두부주름은 2개이며 암컷의 길이는 433-646$\mu\textrm{m}$이고, a = 29.1-37.5, b = 5.1-6.4, c = 15.0-21.3, vulva (%) = 73.0-85.4였다. 수컷의 몸길이는 408-512 $\mu\textrm{m}$였으며 a = 36.1-40.0, b = 4.8-6.7, c = 17.0-19.0, spicule = 14.1-18.0$\mu\textrm{m}$였다. 구침의 길이는 11.6-18.0$\mu\textrm{m}$였으며, 측선의 갯수는 4개였다. 저정낭은 정자로 차 있으며, 모양은 둥근 고치모양 또는 직사각형 모양이다. 꼬리의 형태는 가늘고 끝이 둥글거나 뾰족하다.

Keywords

References

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