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2013 | 22 | 6 |
Tytuł artykułu

Assessing thep hytotoxicity of tannery waste-contaminated soil on Zea mays (Lin) growth

Autorzy
Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Four chromium-resistant bacterial strains (Bacillus pumilus-CrK08, Cellulosimicrobium cellulansCrK16, Exiguobacterium-CrK19, and Bacillus cereus-CrK20) that could resist up to 25 mg·ml⁻¹ of Cr (VI) were used to inoculate Zea mays (Lin) seeds grown in tannery effluent-contaminated and normal garden soils. Overall, plants growing in tannery-contaminated soil showed slow leaf growth, 40% reduction in shoot length, 73% reduction in dry biomass, burning of leaf margins, delayed flower bud initiation, and feminization of male flowers compared to control. Zea mays (Lin) plants growing in tannery-contaminated soil showed an increase in acid phosphatase activity (14-26%), soluble proteins content (17-38%), chlorophyll a (34%) and b contents (70%), and a decrease in peroxidase (19%) and carotenoid contents (50%) compared to control. Non-inoculated plants have higher chromium uptake (114 mg/kg) as compared to inoculated (49.4 mg/kg).
Słowa kluczowe
Wydawca
-
Rocznik
Tom
22
Numer
6
Opis fizyczny
p.1871-1876,fig.,ref.
Twórcy
autor
  • Department of Microbiology and Molecular Genetics, University of the Punjab, Quaid-e-Azam Campus, Lahore-54590, Pakistan
autor
  • Department of Microbiology and Molecular Genetics, University of the Punjab, Quaid-e-Azam Campus, Lahore-54590, Pakistan
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
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