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Role of IAA on the mineral composition of maize (Zea mays) crop under various osmotic stressed conditions

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Summary

Detailed soil survey of some saline-alkali tracts on the right main canal areas of chambal river in Kota/Rajasthan/India was conducted and the experiments were laid on 3 sites having medium to heavy texture and different salinity regimes. The hybrid maize (Ganga-3) seeds were soaked for 24 hours in four concentration solutions (50, 100, 200 and 300 ppm) of Indole-acetic-acid (IAA) and sown in the experimental plots to study the effect on the yields and uptake of nutrients. The results indicated significant improvement in the grain and stalk yield and uptake of nitrogen, phosphorus, potash, calcium plus magnesium while significant decrease in the uptake of sodium with the use of IAA especially under saline conditions. Iron, however, also decreased which warrents attention when using this techanique. The study emphasize the use of appropriate hormonal concentration for achieving beneficial results.

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Authors and Affiliations

  1. Agriculture Chemistry Laboratory, Kota-Rajasthan, India

    B. L. Darra (Assistant Agricultural Chemist)

  2. University of UDAIPUR, Rajasthan, India

    S. N. Saxena (Professor of soil science and Agricultural Chemistry)

Authors
  1. B. L. Darra
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  2. S. N. Saxena
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Additional information

This paper is part of Ph.D. thesis submitted by senior author to the University of UDAIPUR, Rajasthan/India.

This paper is part of Ph.D. thesis submitted by senior author to the University of UDAIPUR, Rajasthan/India.

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Darra, B.L., Saxena, S.N. Role of IAA on the mineral composition of maize (Zea mays) crop under various osmotic stressed conditions. Plant Soil 38, 657–661 (1973). https://doi.org/10.1007/BF00010704

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  • DOI: https://doi.org/10.1007/BF00010704

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