Journal of Biological Control

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Bioprospecting: An Innovative Technology for the Management of Coffee Collar Rot Disease


Affiliations
1 Plant Pathologist, Regional Coffee Research Station, Thandigudi, Kodaikanal – 624216, Tamil Nadu, India
2 Department of Plant Pathology, Annamalai University, Chidambaram – 608002, Tamil Nadu, India
3 Department of Agricultural Microbiology, Annamalai University, Chidambaram – 608002, Tamil Nadu, India
 

Coffee is an important beverage crop in India. The soil-borne pathogen, Rhizoctonia solani Khun is known to cause collar rot of coffee seedlings in the nursery itself and accounts for 10-25% mortality under conducive environmental conditions. This paper presents the efficacy of various microbial antagonists used in the form of biocapsules for management of coffee collar rot. Among the various antagonists used, Bacillus subtilis resulted in the maximum reduction of collar rot incidence compared to Trichoderma harzianum and Pseudomonas fluorescens.

Keywords

Bacillus subtilis, biocapsules, Pseudomonas fluorescens, Rhizoctonia solani, Trichoderma harzianum
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  • Bioprospecting: An Innovative Technology for the Management of Coffee Collar Rot Disease

Abstract Views: 147  |  PDF Views: 73

Authors

S. SOUNDARA RAJAN
Plant Pathologist, Regional Coffee Research Station, Thandigudi, Kodaikanal – 624216, Tamil Nadu, India
T. SIVAKUMAR
Department of Plant Pathology, Annamalai University, Chidambaram – 608002, Tamil Nadu, India
P. BALABASKAR
Department of Plant Pathology, Annamalai University, Chidambaram – 608002, Tamil Nadu, India
R. PARTHASARATHY
Department of Agricultural Microbiology, Annamalai University, Chidambaram – 608002, Tamil Nadu, India

Abstract


Coffee is an important beverage crop in India. The soil-borne pathogen, Rhizoctonia solani Khun is known to cause collar rot of coffee seedlings in the nursery itself and accounts for 10-25% mortality under conducive environmental conditions. This paper presents the efficacy of various microbial antagonists used in the form of biocapsules for management of coffee collar rot. Among the various antagonists used, Bacillus subtilis resulted in the maximum reduction of collar rot incidence compared to Trichoderma harzianum and Pseudomonas fluorescens.

Keywords


Bacillus subtilis, biocapsules, Pseudomonas fluorescens, Rhizoctonia solani, Trichoderma harzianum

References





DOI: https://doi.org/10.18311/jbc%2F2023%2F33792