Growth Stage

Root Plate

Diameter (cm)^a

Canopy Closure (%)^b,c

Median

Range

V10 - V12

6.5 c

5

0 - 25

R1 - R2

18.5 b

50

25 - 85

R4 - R5

28.4 a

80

45 - 100

Measure of variability

SEM^d

2.08

SED^e

2.34