Treatment | Initial dia. (cm) | After 1 year | |||
---|---|---|---|---|---|
Fine roots (g) | % VAM | Dia. (cm) | % stem dia. increase* | ||
Mycor | 1.6 b | 13.3 a | 22 a | 4.5 b | 181 a |
Mycor + bacteria | 1.7 ab | 11.4 a | 27 a | 4.8 ab | 182 a |
Bacteria | 1.6 b | 15.2 a | 8 b | 4.3 ab | 167 a |
Subdue® | 2.1 a | 3.0 b | 9 b | 5.2 a | 148 ab |
Control | 1.8 ab | 4.4 b | 6 b | 4.1 b | 128 b |
↵*% Increase = (first yr. – initial measurements)/initial measurement.