INHIBITION OF POTATO SPROUT GROWTH BY PRE-HARVEST FOLIAR APPLICATION OF GLYPHOSATE*


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Authors

  • Vijay Paul
  • R Ezekiel

Abstract

Glyphosate (0.694 kg ha-1) was given as a single pre-harvest foliar spray at 50, 55, 60, 65, 70, 75 or 80 days after planting (DAP) and its effect on sprout growth was studied in two potato cultivars differing in dormancy duration. Glyphosate treatment was effective in suppressing sprout growth during storage at 18°C and the reduction in sprout length varied from 49 to 83% in Kufri Bahar (short dormancy) and 40 to 58% in Kufri Jyoti (medium dormancy). Glyphosate application generally did not affect tuber yield but increased the incidence of tuber cracking in Kufri Jyoti from 15% (control) to 20-39%. Single treatment of glyphosate at 60 DAP was most effective and double treatment did not enhance the sprout inhibiting effect of glyphosate.

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Author Biographies

  • Vijay Paul
    Division of Plant Physiology, Indian Agricultural Research Institute, New Delhi 110 012, India.
  • R Ezekiel
    Central Potato Research Institute, Shimla 171 001, Himachal Pradesh, India.

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Issue

Vol. 33 No. 1 - 2 (2006)

Section

Articles

License

The copyright of the articles published in Potato Journal is vested with the Indian Council of Agricultural Research, which reserves the right to enter into any agreement with any organization in India or abroad, for reprography, photocopying, storage and dissemination of information. The Council has no objection to using the material, provided the information is not being utilized for commercial purposes and wherever the information is being used, proper credit is given to ICAR.

How to Cite

Paul, V., & Ezekiel, R. (2013). INHIBITION OF POTATO SPROUT GROWTH BY PRE-HARVEST FOLIAR APPLICATION OF GLYPHOSATE*. Potato Journal, 33(1 - 2). https://epubs.icar.org.in/index.php/PotatoJ/article/view/33274