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volume 40 issue 2 (june 2006) : 79 - 85

EVALUATION OF FUNGAL ANTAGONISTS AGAINST RHIZOCTONIA SOLANI CAUSING SHEATH BLIGHT OF RICE

D
D.K. Vaish
A
A.P. Sinha
1Centre of Advanced Studies in Plant Pathology, G.B. Pant University of Agriculture and Technology, Pantnagar - 263 145, India

  • Submitted|

  • First Online |

  • doi

Cite article:- Vaish D.K., Sinha A.P. (2025). EVALUATION OF FUNGAL ANTAGONISTS AGAINST RHIZOCTONIA SOLANI CAUSING SHEATH BLIGHT OF RICE. Indian Journal of Agricultural Research. 40(2): 79 - 85. doi: .

ABSTRACT

Thirteen isolates of Gliocladium spp and four isolates of Aspergillus niger obtained from
different sources viz., soil, rice rhizosphere, rice leaves and rice leaf sheath were evaluated for
their biocontrol ability against R. solani, the causal agent of sheath blight of rice. Four isolates
of Gliocladium spp.(1, 24, 29 and 30) and 4 isolates of Aspergillus niger (35, 36, 37 and 38)
were found effective in dual culture. Hyphal interactions between biological control agents and
R. solani were observed as hyperparasitic coiling, penetration and finally resulting lysis and
collapse of R. solani. Two isolates of Gliocladium spp. (1, 33) and all four isolates of A. niger
were found highly inhibitory to the mycelial growth of the pathogen by producing volatile
substances. Culture filtrate of the promising isolates of antagonists were also inhibited the
growth of the pathogen.

KEYWORDS

    REFERENCES

    1. Bhuyan, S.A. et al. (1994). J. Agric. Sci. Soc. N E India, 7: 125-127.
    2. Das, B.C. et al. (1996). J. Agric Sci. Soc. N E India, 9: 181-191.
    3. Dennis, C. and Webster, J. (1971). Trans. Brit. Mycol. Soc., 57: 363-369.
    4. Dubey, S.C. (1995). In: First International Symposium on Rhizoctonia, ISR’95 at Leeuwenhorst Congress Centrum
    5. Noordwijkerhout, Netherland, June 27-30.
    6. 84 INDIAN JOURNAL OF AGRICULTURAL RESEARCH
    7. Elad, Y. et al. (1983). Phytopathology, 73: 85-88.
    8. Gogoi, R. and Roy, A.K. (1993). Int. Rice Res. Notes, 18: 31-32.
    9. Gokulapalan, C. and Nair, M.C. (1984). Indian J. Microbiol., 24: 57-58.
    10. Mainbhushanrao, R. et al. (1989). Curr. Sci., 58: 515-518.
    11. Morton, D.J. and Stroube, W.H. (1995). Phytopathology, 45: 417-420.
    12. Mukhopadhyay, A.N. (1987). Indian J. Mycol. Plant Pathol., 17: 1-10.
    13. Shresthra, S.M. (1992). Ph.D. Thesis, G.B. Pant Univ. of Agric. and Tech., Pantnagar, 210 pp
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    Indian Journal of Agricultural Research
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      volume 40 issue 2 (june 2006) : 79 - 85

      EVALUATION OF FUNGAL ANTAGONISTS AGAINST RHIZOCTONIA SOLANI CAUSING SHEATH BLIGHT OF RICE

      D
      D.K. Vaish
      A
      A.P. Sinha
      1Centre of Advanced Studies in Plant Pathology, G.B. Pant University of Agriculture and Technology, Pantnagar - 263 145, India

      • Submitted|

      • First Online |

      • doi

      Cite article:- Vaish D.K., Sinha A.P. (2025). EVALUATION OF FUNGAL ANTAGONISTS AGAINST RHIZOCTONIA SOLANI CAUSING SHEATH BLIGHT OF RICE. Indian Journal of Agricultural Research. 40(2): 79 - 85. doi: .

      ABSTRACT

      Thirteen isolates of Gliocladium spp and four isolates of Aspergillus niger obtained from
      different sources viz., soil, rice rhizosphere, rice leaves and rice leaf sheath were evaluated for
      their biocontrol ability against R. solani, the causal agent of sheath blight of rice. Four isolates
      of Gliocladium spp.(1, 24, 29 and 30) and 4 isolates of Aspergillus niger (35, 36, 37 and 38)
      were found effective in dual culture. Hyphal interactions between biological control agents and
      R. solani were observed as hyperparasitic coiling, penetration and finally resulting lysis and
      collapse of R. solani. Two isolates of Gliocladium spp. (1, 33) and all four isolates of A. niger
      were found highly inhibitory to the mycelial growth of the pathogen by producing volatile
      substances. Culture filtrate of the promising isolates of antagonists were also inhibited the
      growth of the pathogen.

      KEYWORDS

        REFERENCES

        1. Bhuyan, S.A. et al. (1994). J. Agric. Sci. Soc. N E India, 7: 125-127.
        2. Das, B.C. et al. (1996). J. Agric Sci. Soc. N E India, 9: 181-191.
        3. Dennis, C. and Webster, J. (1971). Trans. Brit. Mycol. Soc., 57: 363-369.
        4. Dubey, S.C. (1995). In: First International Symposium on Rhizoctonia, ISR’95 at Leeuwenhorst Congress Centrum
        5. Noordwijkerhout, Netherland, June 27-30.
        6. 84 INDIAN JOURNAL OF AGRICULTURAL RESEARCH
        7. Elad, Y. et al. (1983). Phytopathology, 73: 85-88.
        8. Gogoi, R. and Roy, A.K. (1993). Int. Rice Res. Notes, 18: 31-32.
        9. Gokulapalan, C. and Nair, M.C. (1984). Indian J. Microbiol., 24: 57-58.
        10. Mainbhushanrao, R. et al. (1989). Curr. Sci., 58: 515-518.
        11. Morton, D.J. and Stroube, W.H. (1995). Phytopathology, 45: 417-420.
        12. Mukhopadhyay, A.N. (1987). Indian J. Mycol. Plant Pathol., 17: 1-10.
        13. Shresthra, S.M. (1992). Ph.D. Thesis, G.B. Pant Univ. of Agric. and Tech., Pantnagar, 210 pp
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