Table 1.

The effect of manganese in the nutrient solution on the levels of manganese in the recently matured leaves of Acer rubrun ‘Armstrong,’ ‘October Glory’ and ‘Red Sunset.’z

Mn, ppmFoliar Mn Levels (ppm)Foliar Mn Levels (ppm)
pH 5.5pH 7.5
‘Armstrong’‘October Glory’‘Red Sunset’‘Armstrong’‘OctoberGlory’‘RedSunset’
0.0048.4924.79102.3998.1230.4566.01
0.0224.0116.2788.42156.4723.3492.60
0.20142.1355.0296.02125.5137.0641.24
2.00104.9643.2488.50106.3362.92138.01
  • HSD P = .05, 98.36

  • z Average of 4 plants.