National Academy Science Letters

, Volume 42, Issue 3, pp 259–263 | Cite as

In Vitro Antagonism of Trichoderma Isolates Against Curvularia andropogonis Causing Leaf Blight of Java Citronella

  • Shailesh PandeyEmail author
  • Rajesh Kumar
  • Krishna Giri
Short Communication


Leaf blight is the most devastating disease of Java Citronella (Cymbopogon winterianus) in North east India. The pathogen was isolated and identified as Curvularia andropogonis. A total of 6 Trichodema isolates were recovered from forest soil and tested against the target pathogen. Analysis of variance (ANOVA) revealed significant differences among Trichoderma isolates in checking the mycelial growth of C. andropogonis in dual culture, inverted plate and culture filtrate assay (P < 0.05). Two potential Trichoderma isolates were identified as T. asperellum and T. virens using sequence analysis of internal transcribed spacer region of the ribosomal DNA. Both the species were found more effective and significantly inhibited the growth of the test pathogen in vitro. Our results suggest appealing application possibilities of Trichoderma isolates in the biological management of leaf blight disease of Java Citronella.


Curvularia andropogonis Trichoderma virens Trichoderma asperellum Cymbopogon winterianus Biological Control 



The support by the Indian Council of Forestry Research and Education, Dehradun, for funding the Research Project ‘RFRI/2013-14/FP-5′ is gratefully acknowledged. Authors also express our gratitude to National Fungal Culture Collection of India (NFCCI), Pune for confirming the identities of fungal isolates.

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© The National Academy of Sciences, India 2018

Authors and Affiliations

  1. 1.Rain Forest Research InstituteJorhatIndia
  2. 2.Forest Protection DivisionForest Research InstituteDehradunIndia

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