. 2020 Jul 28;11:1036. doi: 10.3389/fpls.2020.01036

Table 2.

Stomatal characteristics of rose leaves grown under different relative humidity regimes (RH) (moderate RH; 60% and High RH; 90%) and blue (B) light proportions provided by light emitting diodes LED (20% B) and high pressure sodium HPS (5% B) lamps.

		Moderate RH (60%)		High RH (90%)
		LED	HPS	LED	HPS
Pore length (µm)	Light	26.2 ± 1.0^d	32.8 ± 1.6^c	40.1 ± 0.4^b	48.2 ± 0.7^a
Pore length (µm)	Dark	21.5 ± 0.3^e	24.4 ± 0.3^d	34.2 ± 0.9^c	42.9 ± 1.3^b
Pore area (µm²)	Light	176.7 ± 9.2^d	267.3 ± 8.4^c	325.0 ± 12.7^b	373.1 ± 18^a
Pore area (µm²)	Dark	111.3 ± 3.5^e	166.7 ± 11.8^d	234.5 ± 5.6^c	370.7 ± 10.9^a
Stomata number (µm^-2)		75 ± 2.5 ^b	60 ± 3.4 ^c	85 ± 5.2 ^a	70 ± 3.1 ^b

Data are the mean values ± SE from two experimental repeats with five imprint samples from each repeat and three images from each sample as a technical repeat (n=10). Different letters indicate significant differences (P<0.05).