Shoot C concentration

C/N ratio

δ13C

Grain yield

%

g/plant

-

kg/ha

Location

Waribogu

37.6 ± 0.5b

8.7 ± 0.4b

13.0 ± 0.2b

−28.05 ± 0.08b

420 ± 24.3a

Kpachi

39.9 ± 0.2a

10.9 ± 0.7a

13.7 ± 0.2a

−27.99 ± 0.09a

371 ± 14.6b

F-statistics

Genotype (G)

3.7***

33.8***

14.7***

18.8***

18.4***

Location (L)

29.8***

86.8***

26.3***

1.8***

17.9***

G × L

3.6***

33.9***

5.9***

19.0***

13.5***