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Table 1 Overview of plant characteristics tested using an ANOVA during the two years of the pot experiment

From: Factors influencing the production of stilbenes by the knotweed, Reynoutria × bohemica

Plant characteristics measured   Significance of factors and their interactions
   A B C A*B A*C B*C A*B *C
   year substrate melilot     
Plant aboveground characteristics in year        
Knotweed         
Branch no 2006+07 0.001 0.001 NS 0.001 NS NS NS
Plant dry mass (g) 2006+07 0.001 0.001 0.001 NS 0.01 NS NS
Leaf area (cm2) 2007 x 0.001 NS x x NS x
Melilot         
Plant dry mass (g) 2006+07 0.05 NS x NS x x x
Plant belowground characteristics         
Knotweed         
Root and rhizome dry mass (g) 2007 x 0.001 0.001 x x NS x
Root colonisation rate F (%) 2006+07 0.001 0.001 x 0.05 x x x
Root colonisation rate M (%) 2006+07 0.001 0.001 x NS x x x
Nitrogen (%) 2006+07 0.001 0.001 0.001 0.001 0.001 0.001 0.001
Carbon (%) 2006+07 NS NS NS NS NS NS NS
Phosphorus (ppm) 2006+07 0.001 0.001 0.001 NS NS NS NS
Astringin (mass %) 2006+07 0.001 0.01 NS NS 0.01 0.01 NS
Astringin 2 (mass %) 2006+07 0.001 0.05 NS NS 0.05 0.01 NS
Piceatannol (mass %) 2006+07 0.01 0.001 0.05 0.001 NS NS NS
Piceid (mass %) 2006+07 0.001 0.05 0.01 NS NS NS NS
Resveratrol (mass %) 2006+07 NS 0.001 0.001 0.05 NS 0.05 NS
Resveratrolosid (mass %) 2006+07 0.001 NS 0.01 NS NS 0.01 NS
Emodin (mass %) 2006+07 0.001 0.001 0.001 NS 0.001 NS NS
Resveratrol-derivatives (mass %) 2006+07 0.01 0.01 0.001 NS NS 0.001 NS
Melilot         
Melilot colonisation rate F (%) 2007 x NS x x x x x
Melilot colonisation rate M (%) 2007 x NS x x x x x
  1. x = non-tested
  2. NS = non-significant