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Inactivation of potato leaf roll virus in tubers by hot water treatment

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An Erratum to this article was published on 01 January 1968

Summary

Leafroll-infected tubers of four potato varieties and three hybrids were treated with hot water at temperatures ranging from SO C to 55 C for 10 to 25 minutes. Considerable inactivation of the virus was obtained when the whole tubers were treated at 55 C for 17 minutes. Cut tubers, treated at 52 C for 25 minutes showed a good number of plants free from virus. Varieties showed differential response to heat treatment. Kufri Red gave a high percentage of germination in spite of heat treatment. All the varieties withstood the treatment well up to 53 C. Poor germination was associated with high temperature and long duration. Cut tubers were more susceptible to heat than whole tubers.

Resumen

Los tubérculos de cuatro variedades de papas y tres hibridos infectados por el virus que causa el enrollado de hojas fueron tratados con agua caliente a las temperaturas de 50 C a 55 C durante 10 a 25 minutos. Considerable inactivación del virus ocurrió cuando tubérculos enteros fueron tratados a 55 C por 17 minutos. Tubérculos cortados, tratados a 52 C por 17 minutos, dieron un buen numéro de plantas libres de virus. Las variedades dieron una reaction diferencial al tratamiento con calos. Kufri Red dió un porcentaje alto de germinatión a pesar del tratamiento por el calor. Todas las variedades resistieron bien al tratamiento hasta los 53 C. Pobre germination fué asociada con alta temperatura y larga duration. Tubérculos cortados fueron más susceptibles al calor que tubérculos enteros.

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Authors and Affiliations

  1. Central Potato Research Institute, Simla, India

    G. C. Upreti (Senior Research Assistant) & B. B. Nagaich (Virus Pathologist)

Authors
  1. G. C. Upreti
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  2. B. B. Nagaich
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Additional information

An erratum to this article is available at http://dx.doi.org/10.1007/BF02863031.

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Upreti, G.C., Nagaich, B.B. Inactivation of potato leaf roll virus in tubers by hot water treatment. American Potato Journal 45, 373–377 (1968). https://doi.org/10.1007/BF02849715

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  • DOI: https://doi.org/10.1007/BF02849715

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