TABLE 2.

Plant biomass and root/shoot ratio of M9T337 seedlings treated with K0 (0 mM K⁺), K3 (3 mM K⁺), K6 (6 mM K⁺), K9 (9 mM K⁺), or K12 (12 mM K⁺) in 2018 and 2019.

Treatment	2018			2019
	Shoot dry weight (g/plant)	Root dry weight (g)	Root-shoot ratio	Shoot dry weight (g/plant)	Root dry weight (g)	Root-shoot ratio
K0	3.45 ± 0.25c	1.27 ± 0.08d	0.37 ± 0.01b	3.93 ± 0.14d	1.45 ± 0.08d	0.37 ± 0.03c
K3	4.03 ± 0.07bc	1.59 ± 0.08c	0.40 ± 0.02ab	4.30 ± 0.16c	1.77 ± 0.09c	0.41 ± 0.03ab
K6	5.07 ± 0.58a	2.17 ± 0.13a	0.43 ± 0.03a	5.37 ± 0.15a	2.30 ± 0.13a	0.43 ± 0.01a
K9	4.40 ± 0.21b	1.86 ± 0.12b	0.42 ± 0.01a	4.84 ± 0.15b	1.94 ± 0.07b	0.40 ± 0.00ab
K12	3.69 ± 0.98c	1.40 ± 0.08d	0.38 ± 0.02b	4.34 ± 0.27c	1.66 ± 0.10c	0.38 ± 0.01bc

Each treatment had three biological replicates and values are expressed as means ± standard deviations (SD, N = 3). Different letters denote significant differences (P < 0.05).