Table 1 Agronomic performance of Williams 82 (WT) and GmAKT2 -overexpressing transgenic (Oe1 and Oe2) plants in field condition

Plant height (cm)

61.5 ± 6.5^a

62.1 ± 9.9^a

66.9 ± 7.0^a

Stem diameter (cm)

0.71 ± 0.22^a

0.75 ± 0.22^a

0.78 ± 0.13^a

Branch number

6.3 ± 0.5^a

6.7 ± 1.0^a

6.3 ± 0.9^a

Node number

19.3 ± 0.5^a

19.4 ± 0.5^a

21.5 ± 0.5^a

Pod number/plant

126.5 ± 37.0^a

132.3 ± 26.5^a

120.5 ± 27.9^a

Seed number/plant

241.4 ± 52.9^a

256.9 ± 68.6^a

236.1 ± 43.3^a

Seed weight (g)/plant

30.1 ± 9.8^a

29.9 ± 9.7^a

29.8 ± 6.4^a

100 seed weight (g)

11.9 ± 2.2^a

11.7 ± 1.3^a

12.8 ± 2.0^a