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Standardization of the leaf index method for the potato

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Summary

The leaf index was calculated using four different methods; namely, a. average index from 5 plants based only on 4th leaf from the top: b. average index of all the leaves of one plant; c. average index of 20 randomly selected leaves in a culture; d. average index of all the leaver of 5 plants of a culture.

No significant differences between the four mthods were observed in the study. The method based only on 4th leaf from the top of the plant is recommended for calculating the leaf index in a potato crop. This method can be used very easily and conveniently in less time giving equivalent efficiency when compared with the other three methods.

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References

  • Salaman, R. N., 1926. Potato varieties, p. 163–168. Cambridge University Press, London.

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Authors and Affiliations

  1. Central Potato Research Institute, Simla, H.P., India

    T. R. Dayal, K. L. Mehra, C. P. Gajraja & M. D. Upadhya

Authors
  1. T. R. Dayal
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  2. K. L. Mehra
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  3. C. P. Gajraja
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  4. M. D. Upadhya
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Dayal, T.R., Mehra, K.L., Gajraja, C.P. et al. Standardization of the leaf index method for the potato. Potato Res 15, 71–72 (1972). https://doi.org/10.1007/BF02356185

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  • DOI: https://doi.org/10.1007/BF02356185

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