NDLI: Selection for root colonising bacteria stimulating wheat growth in saline soils

Content Provider	Springer Nature Link
Author	Egamberdieva, Dilfuza Kucharova, Zulfiya
Copyright Year	2009
Abstract	High salinity of soils in arid and semi-arid regions results in desertification and decreased crop yield. One possibility to circumvent this problem is to use root colonising salt tolerant bacterial inoculants which can alleviate salt stress in plants. In the present work, the best five enhanced wheat root tip coloniser bacteria were selected from the rhizosphere of wheat grown in saline soil and were identified by the 16S rRNA gene sequence as Pseudomonas putida, Pseudomonas extremorientalis, Pseudomonas chlororaphis and Pseudomonas aurantiaca. The isolates tolerated salt of 5% NaCl and produced indole acetic acid under saline conditions. Four isolates proved to be very efficient in promoting a significant increase in the shoot, root and dry matter of wheat and were able to survive in saline soil. Four of the isolated strains appeared to be better competitive colonisers than reference strains and probably outcompeted with indigenous microorganisms of the rhizosphere. These results are promising for the application of selected environmentally save microbes in saline agricultural soils.
Starting Page	563
Ending Page	571
Page Count	9
File Format	PDF
ISSN	01782762
Journal	Biology and Fertility of Soils
Volume Number	45
Issue Number	6
e-ISSN	14320789
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-02-28
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wheat Rhizosphere bacteria Root colonisation Salinity Soil Science & Conservation Agriculture
Content Type	Text
Resource Type	Article
Subject	Agronomy and Crop Science Soil Science Microbiology

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