Table 2.
Entry | Shoot biomass (mg) | No. of tillers per plant (n) | Total root biomass (mg) | Total root length (mm) | Branch root length (mm) | Seminal root length (mm) | No. of seminal roots (n) | No. of nodal roots (n) | Root: shoot ratio | Root proportiona |
---|---|---|---|---|---|---|---|---|---|---|
Banks– | 60.6 | 2.5 | 15.6 | 1477 | 838 | 637 | 4.32 | 4.22 | 0.26 | 0.20 |
Banks+ | 69.6 | 1.9* | 24.0** | 2053** | 1061** | 991** | 4.89** | 5.14** | 0.34* | 0.26* |
Banks++ | 45.1** | 1.0** | 23.3** | 1903** | 965* | 939** | 4.83** | 5.09** | 0.52** | 0.34** |
Kite– | 43.4 | 2.2 | 17.9 | 1353 | 681 | 673 | 4.65 | 4.00 | 0.41 | 0.29 |
Kite+ | 56.0 | 2.0 | 28.5** | 2007** | 1079* | 929* | 5.11** | 4.44** | 0.51* | 0.34 |
a Proportion of total plant biomass that is root biomass
* and ** denote that restricted-tillering, tin NIL means are statistically different from non-tin, free-tillering sister NIL means at P=0.05 and 0.01, respectively. –, +, ++ refer to free tillering, oligoculm and biculm NILs, respectively.