Influence of IAA, kinetin and ABA on ribonuclease activity in the embryonal roots of two barley (Hordeum vulgare L.) cultivars

Halina Skoczek

Abstract


IAA, kinetin and ABA in a concentration of 10-7M did not cause major changes in the activity of ribonuclease in both cultivars. IAA and kinetin in a concentration of 10-5M lowered the activity of the tested enzyme, more in the 'Union' than in the 'Lubuski' cultivar. ABA in a concentration of 10-5M did not change the activity of ribonuclease in both cultivars. It caused, however, the appearance of an extra band with ribonuclease activity on the polyacrylamide gel in both cultivars.

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DOI: https://doi.org/10.5586/aa.1984.005

Journal ISSN:
  • 2300-357X (online)
  • 0065-0951 (print; ceased since 2016)
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Publisher
Polish Botanical Society