Assimilate translocation in bean plants (Phaseolus vulgaris L.) during phosphate deficiency

The incorporation of l4CO2 to the leaves of the plants after 16 days of culture on phosphate deficient medium was about 14 % higher than in control plants grown on complete medium

Iwona Ciereszko

2012

Scholarcy highlights

  • The incorporation of l4CO2 to the leaves of the plants after 16 days of culture on phosphate deficient medium was about 14 % higher than in control plants grown on complete medium
  • The water soluble fraction was divided into sugar, amino acid and organic acid fractions
  • The sugar fraction was the largest fraction and its radioactivity was higher in the roots of phosphate deficient plants than in control roots
  • The radioactivity of amino acid and organic acid fractions was markedly lower in phosphate deficient compared with phosphate sufficient roots
  • The higher labelling of sugars in −P roots corresponded to the higher content of sucrose and glucose
  • The greater assimilate transport and sugar accumulation in bean roots appears to be the early plant response to phosphate deficiency

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