Table 2.

Average stomatal density mm⁻² for two barley genotypes, Barke and Bojos, in various experimental groups ± standard deviation. LC = low [CO₂], AC = ambient [CO₂], EC = elevated [CO₂]; HL = high light, LL = low light.

Stomata Density (Pores mm−2)
All Genotypes		Barke		Bojos
Average	35 ± 7	Average	37 ± 8	Average	33 ± 7
HL	37 ± 8	HL	40 ± 8	HL	35 ± 7
LL	33 ± 7	LL	35 ± 7	LL	32 ± 6
LC	37 ± 8	LC	40 ± 8	LC	35 ± 6
AC	34 ± 7	AC	35 ± 7	AC	33 ± 7
EC	35 ± 7	EC	37 ± 7	EC	33 ± 6