Research Article

Leaf Anatomy and Photochemical Behaviour of Solanum lycopersicum L. Plants from Seeds Irradiated with Low-LET Ionising Radiation

Table 1

Cell shape in different tissues of juvenile leaves of S. lycopersicum L. “Microtom”. Mean values ± standard errors are shown ( ). Different letters correspond to significantly different values according to multiple comparison tests ( ).

Leaf JLAspect ratioSphericityConvexity

Upper epidermisC1.97 ± 0.16a0.308 ± 0.050a0.926 ± 0.021ab
0.3 Gy2.00 ± 0.13a0.290 ± 0.038a0.941 ± 0.013a
10 Gy2.10 ± 0.12a0.239 ± 0.037a0.898 ± 0.016ab
20 Gy2.17 ± 0.14a0.258 ± 0.045a0.909 ± 0.019abc
50 Gy1.70 ± 0.08a0.376 ± 0.037a0.927 ± 0.016ab
100 Gy1.97 ± 0.14a0.286 ± 0.042a0.876 ± 0.028c

Palisade parenchymaC2.90 ± 0.10a0.109 ± 0.015a0.879 ± 0.010a
0.3 Gy3.04 ± 0.12a0.099 ± 0.016a0.805 ± 0.016b
10 Gy3.09 ± 0.13a0.093 ± 0.019a0.792 ± 0.015b
20 Gy2.83 ± 0.11a0.101 ± 0.017a0.784 ± 0.017b
50 Gy3.14 ± 0.14a0.082 ± 0.016a0.772 ± 0.016b
100 Gy2.75 ± 0.11a0.119 ± 0.020a0.805 ± 0.017b

Spongy parenchymaC1.90 ± 0.08a0.307 ± 0.033a0.893 ± 0.012a
0.3 Gy1.80 ± 0.07a0.341 ± 0.029a0.876 ± 0.013a
10 Gy2.03 ± 0.10a0.290 ± 0.031a0.901 ± 0.012a
20 Gy1.94 ± 0.12a0.344 ± 0.040a0.881 ± 0.015a
50 Gy1.74 ± 0.09a0.393 ± 0.035a0.883 ± 0.014a
100 Gy1.98 ± 0.12a0.322 ± 0.037a0.878 ± 0.015a

Lower epidermisC1.78 ± 0.09bc0.343 ± 0.045ab0.919 ± 0.019a
0.3 Gy2.25 ± 0.17ab0.263 ± 0.044b0.933 ± 0.024a
10 Gy2.19 ± 0.11abc0.218 ± 0.034b0.888 ± 0.020ab
20 Gy1.80 ± 0.13bc0.378 ± 0.047ab0.926 ± 0.017a
50 Gy1.67 ± 0.01c0.461 ± 0.051a0.924 ± 0.021a
100 Gy2.38 ± 0.21a0.257 ± 0.057b0.857 ± 0.030b