Some Medicinal Plants Suppressed Reproduction of Meloidogyne hapla on Codonopsis lanceolata Trautv

더덕에서 약용식물을 이용한 당근뿌리혹선충 증식 억제 효과

  • Lim, Ju-Rak (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Hwang, Chang-Yeon (Faculty Biological Resources Science, Chonbuk National University) ;
  • Ryu, Jeong (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Choi, Yeong-Geun (Jeollabuk-do Agricultural Research and Extension Services)
  • 임주락 (전라북도농업기술원) ;
  • 황창연 (전북대학교 농업생명과학대학) ;
  • 류정 (전라북도농업기술원) ;
  • 최영근 (전라북도농업기술원)
  • Published : 2006.12.30


Possible nematicidal effects of plant extracts of 25 species uninfected by M. hapla were observed at the 5 times dilutions in all treatments and at the 10 times dilutions in Anemarrhena asphodeloides, Acorus calamus, Achyranthes japonica, Agrimonia pilosa, Dianthus chinensis, Geum aleppicum, Houttuynia cordate, Rudbeckia bicolor, Ricinus communis, Scrophularia buergeriana, Sesamum iindicum, Sedum kamtschaticum, and Sanguisorba officinalis. The 13 species plant extracts of 5 times dilutions were evaluated for the suppression effects on reducing densities of M. hapla by treating to C. lanceolata sown and transplanted later in pots. All the plant extracts showed suppressive effects on M. hapla except for.A. pilosa. The suppressive effects of A. asphodeloides, A. japonica, A. calamus, D. chinensis, R. communis, and S. buergeriana were over 80%. When the selected plants had been incorporated into the soil before C. lanceolata was sown, the numbers of root galls, egg sacs and $J_{2}$ appeared lower in the treatment of 12 plant species than in control except for S. indicum. But the suppressive effects were lower than the effects of selected plants being cultivated simultaneously in the field. A. calamus and A. japonica exhibited over 70% suppressive effects, among the tested plants.


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