Colony Characteristics and Bioefficacy of Different Isolates of Chaetomium globosum Krunze Ex Fr. against Bipolaris sorokiniana (Sacc.) Shoem.

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Authors

  • Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi-110012 ,IN
  • Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi-110012 ,IN
  • Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi-110012 ,IN

DOI:

https://doi.org/10.18311/jbc/2004/4085

Keywords:

Bioefficacy, Bipolaris sorokiniana, Chaetomium globosum, Colony Characters.

Abstract

Chaetomium globOsum Krunze ex Fr. has been identified as a potential antagonist of Bipolaris sorokiniana. (Sacc.) Shoem. Nine isolates of this antagonist have been characterized for their colon), characteristics and bioefficacy against the pathogen. Colony characters yaried among the isolates on different media. Potato dextrose agar (PDA) supported maximum growth and sporulation of C. globosum, while suppressed growth and less sporulation were obsen-ed on Czapek dox agar medi urn. Isolates Cgl, Cg6, Cg7, Cg8 and Cg9 were fast growing but produced less number of perithecia, ,vhile isolates Cg2, Cg3, Cg4 and CgS were slow growing showing profuse perithecia formation. All the nine isolates of C. globosum, when evaluated against B. sorokiniuna for their bioefficacy, inhibited growth of test pathogen ranging from 40.03 to 7.02 per cent. The slow woning isolate Cg2 and Cg4 caused maximum inhibition of mycelial growth of B. sorokiniuna.

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Published

2010-01-01

How to Cite

Ahammed, S. K., Aggarwal, R., & Srivastava, K. D. (2010). Colony Characteristics and Bioefficacy of Different Isolates of <I>Chaetomium globosum</I> Krunze Ex Fr. against <I>Bipolaris sorokiniana</I> (Sacc.) Shoem. Journal of Biological Control, 18(2), 167–171. https://doi.org/10.18311/jbc/2004/4085

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