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2009 | 31 | 4 |

Tytuł artykułu

Alleviation of salt stress by plant growth regulators and IAA producing bacteria in wheat

Autorzy

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
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 non-salinated conditions and up to 52% at 100 mM NaCl, compared to control plants. It is concluded that growth regulators considerably alleviated salinity-induced 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.

Słowa kluczowe

Wydawca

-

Rocznik

Tom

31

Numer

4

Opis fizyczny

p.861-864,fig.,ref.

Twórcy

  • Department of Biotechnology, National University of Uzbekistan, Vuzgorodok, 100174 Tashkent, Uzbekistan

Bibliografia

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Bibliografia

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