Biological control of stem bleeding disease caused by Thielaviopsis paradoxa in coconut

Authors

  • V Govardhan Rao AICRP on Palms, Horticultural Research Station, Dr. Y.S.R. Horticultural University, Ambajipeta - 533 214, Andhra Pradesh, India
  • B Neeraja AICRP on Palms, Horticultural Research Station, Dr. Y.S.R. Horticultural University, Ambajipeta - 533 214, Andhra Pradesh, India
  • N B V Chalapathi Rao AICRP on Palms, Horticultural Research Station, Dr. Y.S.R. Horticultural University, Ambajipeta - 533 214, Andhra Pradesh, India
  • A Kireeti AICRP on Palms, Horticultural Research Station, Dr. Y.S.R. Horticultural University, Ambajipeta - 533 214, Andhra Pradesh, India
  • V Anoosha AICRP on Palms, Horticultural Research Station, Dr. Y.S.R. Horticultural University, Ambajipeta - 533 214, Andhra Pradesh, India
  • G Koteswarao AICRP on Palms, Horticultural Research Station, Dr. Y.S.R. Horticultural University, Ambajipeta - 533 214, Andhra Pradesh, India
  • Vinayak Hegde ICAR-Central Plantation Crops Research Institute, Kudlu. P.O.- 671124, Kasaragod, Kerala, India
  • Ravi Bhat ICAR-Central Plantation Crops Research Institute, Kudlu. P.O.- 671124, Kasaragod, Kerala, India
  • K C Kiran Kumar AICRP, HREC, Arsikere- 573103, Hassan, Karnataka, India
  • B Srinivasulu AICRP on Palms, Horticultural Research Station, Dr. Y.S.R. Horticultural University, Ambajipeta - 533 214, Andhra Pradesh, India

DOI:

https://doi.org/10.48165/jefa.2023.18.02.28

Keywords:

Stem blleding, coconut, biocontrol

Abstract

Stem bleeding disease caused by Thielaviopsis paradoxa is also one of the important disease in coconut in Andhra Pradesh. Bio efficacy of native fungal and bacterial bioagents on stem bleeding pathogen Thielaviopsis paradoxa under in vitro conditions revealed that Trichoderma asperellum[Ambajipeta] was significantly superior with 79.17 %  growth inhibition followed by T.reesei [Ambajipeta] with 78.33%,. Field evaluation of bio-control agents against Stem bleeding disease in coconut indicated that cake application of T. harzianum & T. reesei formulation completely brought down the disease index by 100 % within 50 days of cake application.   Paste application of bioagents viz ., T. harzianum ,T. reesei and chemical fungicide copper oxychloride application were also substantially  reduced the disease.

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References

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Published

2023-07-09

Issue

Vol. 18 No. 2 (2023): Journal of Eco-Friendly Agriculture (Jul-Dec) 2023

Section

Articles

How to Cite

Rao, V.G., Neeraja, B., Rao, .N.B.V.C., Kireeti, A., Anoosha, V., Koteswarao, G., … Srinivasulu, B. (2023). Biological control of stem bleeding disease caused by Thielaviopsis paradoxa in coconut. Journal of Eco-Friendly Agriculture, 18(2), 370–376. https://doi.org/10.48165/jefa.2023.18.02.28
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