International Journal of Industrial Entomology and Biomaterials

Korean Society of Sericultural Science (한국잠사학회)
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Screening of Botanicals Against Root Knot Disease Complex in Mulberry (Morus indica L.)

  • Naik V. Nishitha (Central Sericulture Research and Training Institute) ;
  • Sharma D.D. (Central Sericulture Research and Training Institute) ;
  • Govindaiah Govindaiah (Department of Sericulture, Bongalore University) ;
  • Chowdary N.B. (Central Sericulture Research and Training Institute) ;
  • Mala V.R. (Central Sericulture Research and Training Institute)
  • Published : 2007.03.31
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Abstract

For developing an integrated eco-friendly package against root knot disease complex of mulberry caused by the association of Meloidogyne incognita with Fusarium solani and F. oxysporum causing serious loss in terms of leaf yield and quality during cultivation, twenty botanical extracts at 5, 10 & 20% concentrations were screened under in vitro conditions. Among the extracts, Allium sativum followed by Lasownia inermis were found to be effective at 20% concentration against both the virulent fungi and nematode. Both the extracts reduced the mycelial growth of virulent fungi to an extent of 76-100%, inhibited the hatching of nematode eggs by 80-90% and 76-85% larval mortality over the control. The other extracts were found either moderately or poorly effective in reducing the growth of fungi, hatching of nematode eggs and enhancing the mortality of larvae. The two effective botanical extracts, which rated as strong inhibitors against both nematode and virulent fungi, can be utilized in developing an integrated ecofriendly technology for better management of root knot disease complex in mulberry.

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References

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