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Journal code(s)
- E-ISSN Number: 2277-7695
- P-ISSN Number: 2349-8242
- CODEN Code: PIHNBQ
- ZDB-Number: 2663038-2
- IC Journal ID: 7725
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Vol. 11, Issue 9 (2022)
Survey, virulence, inoculum levels and susceptible stage on the incidence of stem rot of Cluster bean (Cyamopsis tetragonoloba L.) caused by Sclerotium rolfsii Sacc
Author(s):
Muthukumar A, Sudha A and Suthin Raj T
Muthukumar A, Sudha A and Suthin Raj T
Abstract:
Stem rot of cluster bean caused by Sclerotium rolfsii Sacc. is a soil-borne disease which causes considerable damage to the crop and yield loss. A roving survey was carried out in different districts of Tamil Nadu viz., Cuddalore, Dindigul, Namakkal and Salem during the year 2020-2021.The results revealed that the maximum incidence of 18.33% was recorded in Melamoongiladi village of Cuddalore District. Pathogenicity test was carried out under pot culture by inoculating with pathogenic culture of S. rolfsii isolates. Among the isolates tested, the isolate (I1) from Melamoongiladi village pertaining to Cuddalore district was found to be highly virulent in causing stem rot compared to other isolates investigated in the present study. S. rolfsii multiplied on sorghum grains @5 grains/plant to 1kg of soil registered the maximum incidence of 69.00% stem rot at 100 and 120 days after pathogen inoculation and it was found significantly more susceptible compared to rest of the treatments.
Stem rot of cluster bean caused by Sclerotium rolfsii Sacc. is a soil-borne disease which causes considerable damage to the crop and yield loss. A roving survey was carried out in different districts of Tamil Nadu viz., Cuddalore, Dindigul, Namakkal and Salem during the year 2020-2021.The results revealed that the maximum incidence of 18.33% was recorded in Melamoongiladi village of Cuddalore District. Pathogenicity test was carried out under pot culture by inoculating with pathogenic culture of S. rolfsii isolates. Among the isolates tested, the isolate (I1) from Melamoongiladi village pertaining to Cuddalore district was found to be highly virulent in causing stem rot compared to other isolates investigated in the present study. S. rolfsii multiplied on sorghum grains @5 grains/plant to 1kg of soil registered the maximum incidence of 69.00% stem rot at 100 and 120 days after pathogen inoculation and it was found significantly more susceptible compared to rest of the treatments.
Pages: 2844-2848 | 220 Views 91 Downloads
How to cite this article:
Muthukumar A, Sudha A, Suthin Raj T. Survey, virulence, inoculum levels and susceptible stage on the incidence of stem rot of Cluster bean (Cyamopsis tetragonoloba L.) caused by Sclerotium rolfsii Sacc. Pharma Innovation 2022;11(9):2844-2848.
Journal code(s)
- E-ISSN Number: 2277-7695
- P-ISSN Number: 2349-8242
- CODEN Code: PIHNBQ
- ZDB-Number: 2663038-2
- IC Journal ID: 7725
Main Menu
Special Issue
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The Pharma Innovation Journal
