Table 2

Water loss, total ion uptake, and growth of sunflowers at >98 R.H. during the day and night period

Plants*H2O loss, liters Ion uptake, (ΔμS/10 liters) Weight, g
DayNightDayNightFreshDry
MN-plants4.490.72 (18%)ND1603 (114%)450 (120%)37 (106%)
MD-plants3.93 (100%)0.521409 (100%)ND375 (100%)35 (100%)
MDN-plants8.25 (210%)3,000 (213%)702 (187%)55 (158%)
  • ND, not determined. 

  • * Plants were grown for 23 days in hydroculture.