Variation in activity of root extracellular phytase between genotypes of barley

Mohammad Farouq Asmar

    Research output: Contribution to journalJournal articleResearch

    Abstract

    Barley genotypes grown in nutrient solution under P nutrient stress and sterile conditions were compared in activity of root-associated and root-released extracellular phytase. The activity of root-associated phytase of all genotypes was about 10 times higher than that of root-released phytase and the genotypes performed differently with regard to the activity of the enzymes. The winter barley genotype, Marinka had the highest activity of root-associated extracellular phytase which differed significantly from Alexis and Senate, but not from Regatta. Alexis showed the lowest activity of root-released extracellular phytase which differed significantly from those of Marinka and Regatta, but not from Senate. Generally, there was a significant correlation between the activity of root-associated and released extracellular phytase.
    Original languageEnglish
    JournalPlant and Soil
    Volume195
    Issue number1
    Pages (from-to)61-64
    ISSN0032-079X
    DOIs
    Publication statusPublished - 1997

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