Chlorophyll fluorescence parameters and chlorophyll content of plantain (<i>Plantago lanceolata</i> L.) leaves cut at three frequencies (15, 25 and 35 cm extended leaf length) and two intensities (5 and 8 cm).
收藏资源简介：
abc: Different letters within a row under the frequency columns indicate differences in mean values (least significant difference (LSD), p ≤ 0.05). SEM: Standard error of the mean. Degrees of freedom of ‘Frequency’ effect: 2; Degrees of freedom of ‘Intensity’ effect: 1; Degrees of freedom of the ‘Interaction effect’ (F × I): 2; Degrees of freedom of the Residual: 18. Fo´: minimum chlorophyll fluorescence. Fm´: maximum chlorophyll fluorescence. Fs: steady‐state chlorophyll fluorescence. LEF: linear electron flow. Fv′/Fm′: actual quantum efficiency of PSII, NPQt: total non-photochemical quenching. Φ2: quantum yield of PSII. ΦNO: the fraction of light lost due to non-regulated photosynthesis inhibitor processes. ΦNPQ: fraction of light dedicated to non-photochemical quenching. qL: fraction of PSII open centers. SPAD: relative chlorophyll content.
