Abstract
Pea plants grown in nutrient solution in which K+ ions were equimolarly replaced with Na+, NH4 + or Rb+ did not show morphological symptoms of potassium-deficiency. The activity of diamine oxidase in these plants was higher than in controls. Similarly higher diamine oxidase activity was found in plants grown in a complete nutrient solution supplemented with putrescine.
Abstract
Rostliny hrachu kultivované v živném roztoku, ve kterém byly ionty K+ ekvimolárně nahrazeny ionty Na+, NH4 + nebo Rb+, nevykazovaly morfologické příznaky deficience draslíku. Tyto rostliny měly v nadzemní části vyšší aktivitu diaminoxidázy. Obdobně vykazovaly vyšší aktivitu diaminoxidázy rostliny kultivované v úplném živném roztoku, do kterého byl přidán putrescin.
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Paprskářová, L., Minář, J. The effect of potassium-deficiency on diamine oxidase activity in Pea. Biol Plant 18, 99–104 (1976). https://doi.org/10.1007/BF02923145
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DOI: https://doi.org/10.1007/BF02923145