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The plant pathology journal v.21 no.1, 2005년, pp.73 - 76  

Observation of Root-knot Nematodes in the Root Gall Formed on Oriental Melon

Kim, Dong-Geun    (Department of Agricultural Environment, Gyeongbuk Agriculture Technology Administration   ); Kim, Seung-Han    (Department of Agricultural Environment, Gyeongbuk Agriculture Technology Administration   ); Lee, Joong-Hwan    (Department of Agricultural Environment, Gyeongbuk Agriculture Technology Administration  );
  • 초록

    Oriental melon, Cucumis melo L. cv. Geumssaragieuncheon, grafted on Shintozoa (Cucurbit maxima ${\times}$ Cu. moschata) was planted in a greenhouse infested with Meloidogyne arenaria and root galls were examined five months after planting. A gram of root gall was volumed at ca. 10 cm3 and contained in an average of 363 females (170 developing and 193 matured females), 2,120 secondstage juveniles (J2), and 13,074 eggs. In addition, there was 56 J2 per $cm^3$ soil around the infested plant. An oriental melon had an average of 134.6 g of root gall (70% of total root weight) per 0.72 $m^2$ area. In a conservative estimation, an oriental melon plant could accommodate ca. 1.2 ${\times}$ $10^7$ eggs and J2 per 0.72 $m^2$ . The eggs contained in root tissues could be an important inoculum source to the next crop and the fate of these eggs are well worth further investigation.


  • 주제어

    Cucumis melo .   giant root gall .   greenhouse .   host suitability .   developmental stages .   maximum population density.  

  • 참고문헌 (10)

    1. Ferris, H., Du Vernay, H. S. and Small, R. H. 1978. Development of soil-temperature data base on Meloidogyne arenaria for a simulation model. J. Nematol. 10:39-42 
    2. Kim, D. G. 2001. Distribution and population dynamics of Meloidogyne arenaria on oriental melon (Cucumis melo L.) under greenhouse conditions in Korea. Russian J. Nematol. 9: 61-68 
    3. Starr, J. L. and Jeger, M. J. 1985. Dynamics of winter survival of eggs and juveniles of Meloidogyne incognita and M. arenaria. J. Nematol. 17:252-256 
    4. Ishibashi, N. 1969. Studies on the propagation of the root-knot nematode Meloidogyne incognita (Kofoid and White) Chitwood, 1949. Rev. Plant Prot. Res. 2:125-129 
    5. Byrd, D. W., Ferris, H. and Nusbaum, C. J. 1983. An improved technique for clearing and staining plant tissues for detection of nematodes. J. Nematol. 15:142-143 
    6. Viglierchio, D. R. and Schmitt, R. V. 1983. On the methodology of nematode extraction from field samples: comparison of methods for soil extraction. J. Nematol. 15:450-454 
    7. Barker, K. R. 1985. Nematode extraction and bioassays. In: An Advance Treatise on Meloidogyne. Vol. II. Methodology. ed. by K.R. Barker, C. C. Carter and J. N. Sasser. pp 19-35. North Carolina State University. Raleigh, NC, USA 
    8. Pinkerton, J. N., Santo, G. S. and Mijtahedi, H. 1991. Population dynamics of Meloidogyne chitwoodi on Russet Burbank potatoes in relation to degree-day accumulation. J. Nematol. 23: 283-290 
    9. Southey, J. F. 1986. Laboratory Methods for Work with Plant and Soil Nematodes. Her Majesty's Stationery Office. London, UK 
    10. Hartman, K. M. and Sasser, J. N. 1985. Identification of Meloidogyne species on the basis of differential host test and perineal pattern morphology. In: An Advance Treatise on Meloidogyne. Vol. II. Methodology. ed. by K.R. Barker, C.C. Carter and J.N. Sasser. pp 69-77. Carolina State University. Raleigh, NC, USA 

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