• Cultural control of rice root nematodes (Hirschmanniella spp.) withSphenoclea zeylanica

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    • Keywords


      Cultural control; Hirschmanniella spp.; Sphenoclea zeylanica ; rice root nematode

    • Abstract


      Sphenoclea zeylanica, a non-host of rice root nematodes,Hirschmanniella spp., was found to control them to 95% within 6 weeks and 99% within 8 weeks in a heavily infested field. Water extracts of shoot and the entire plant at highest concentration were toxic toHirschmanniella oryzae at 48 hr exposure whereas that of root were not toxic. But whenH oryzae were picked into a tube where the plant was grown hydroponically, 95% of the nematodes were killed at 60 hr exposure.

    • Author Affiliations


      C Mohandas1 Y S Rao2 S C Sahu2

      1. Central Plantation Crops Research Institute, Peruvannamuzhi - 673 528, India
      2. Central Rice Research Institute, Cuttack, Orissa - 753 006, India
    • Dates


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