Rice false smut disease: An emerging threat to the paddy growers in Tamil Nadu

Authors

  • J Raju Directorate of Plant Protection, Quarantine and Storage, Ministry of Agriculture & Farmers Welfare, Department of Agriculture & Farmers Welfare, Government of India, NH-IV, Faridabad, Haryana -121 001, India.
  • PR Thimmegowda Directorate of Plant Protection, Quarantine and Storage, Ministry of Agriculture & Farmers Welfare, Department of Agriculture & Farmers Welfare, Government of India, NH-IV, Faridabad, Haryana -121 001, India.
  • S N Shivakumar Directorate of Plant Protection, Quarantine and Storage, Ministry of Agriculture & Farmers Welfare, Department of Agriculture & Farmers Welfare, Government of India, NH-IV, Faridabad, Haryana -121 001, India.
  • Sivarama Krishnan Directorate of Plant Protection, Quarantine and Storage, Ministry of Agriculture & Farmers Welfare, Department of Agriculture & Farmers Welfare, Government of India, NH-IV, Faridabad, Haryana -121 001, India.
  • C Elangovan Directorate of Plant Protection, Quarantine and Storage, Ministry of Agriculture & Farmers Welfare, Department of Agriculture & Farmers Welfare, Government of India, NH-IV, Faridabad, Haryana -121 001, India.
  • Sunitha Pandey Directorate of Plant Protection, Quarantine and Storage, Ministry of Agriculture & Farmers Welfare, Department of Agriculture & Farmers Welfare, Government of India, NH-IV, Faridabad, Haryana -121 001, India.
  • J P Singh Directorate of Plant Protection, Quarantine and Storage, Ministry of Agriculture & Farmers Welfare, Department of Agriculture & Farmers Welfare, Government of India, NH-IV, Faridabad, Haryana -121 001, India.

DOI:

https://doi.org/10.5958/2582-2683.2023.00036.9

Keywords:

Rice, False smut, Ustilaginoidea virens, Tamil Nadu

Abstract

Rice false smut (Ustilaginoidea virens (Cooke) Takahashi) is an upcoming major disease in India. False smut is recently emerging as a major Rice disease that was previously considered to have a negligible impact. It is found in two different stages sexual and asexual and both spores can infect the spikelet and lead to the formation of a smut ball of rice grain. In Tamil Nadu, the overall disease incidence (percentage of false smut-infected tillers) varied from 3 to 65 per cent and the overall mean severity of the disease ranged from 29.08 to 36.61 per cent. The highest mean disease severity was observed in the Thanjavur district (36.61%) followed by the Trichy district (30.67%), least mean disease severity (29.08%) was observed in the Ariyaluru district. Among different blocks, the mean disease severity of false smut disease ranged from 4.39 to 58.52 per cent of which the highest mean disease severity was recorded from the Thirumanur block (58.52%) followed by Thanjavur (56.70%), Thuraiyur (54.08%) and least disease severity of 4.39 per cent were recorded from Andhanallur block of Trichy district. 

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References

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Published

2023-06-01

Issue

Vol. 18 No. 1 (2023): Journal of Eco-Friendly Agriculture (Jan-Jun) 2023

Section

Articles

How to Cite

Raju, J., Thimmegowda, P., Shivakumar, S.N., Krishnan, S., Elangovan, C., Pandey, S., & Singh, J.P. (2023). Rice false smut disease: An emerging threat to the paddy growers in Tamil Nadu . Journal of Eco-Friendly Agriculture, 18(1), 200–202. https://doi.org/10.5958/2582-2683.2023.00036.9
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