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Title of Journal: Acta Physiol Plant

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Abbravation: Acta Physiologiae Plantarum

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Springer-Verlag

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DOI

10.1007/s11738-009-0297-0

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1861-1664

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Alleviation of salt stress by plant growth regulat

Authors: Dilfuza Egamberdieva
Publish Date: 2009/03/20
Volume: 31, Issue: 4, Pages: 861-864
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Abstract

The action of phytohormone producing bacteria and plant growth regulators on germination and seedling growth of wheat under saline conditions were studied Seed dormancy enforced by salinity 100 mM NaCl was substantially alleviated and the germination was promoted by gibberellin auxin zeatin and ethephon from 54 to 97 The IAA producing bacterial strains Pseudomonas aureantiaca TSAU22 Pseudomonas extremorientalis TSAU6 and Pseudomonas extremorientalis TSAU20 significantly increased seedling root growth up to 25 in nonsalinated conditions and up to 52 at 100 mM NaCl compared to control plants It is concluded that growth regulators considerably alleviated salinityinduced dormancy of wheat seeds The facts mentioned above make it possible to recommend root colonizing bacteria that produce phytohormone to alleviate salt stress of wheat grown under conditions of soil salinity

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