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Polibotánica

versión impresa ISSN 1405-2768

Resumen

FILIO-HERNANDEZ, E. et al. Leaf blade anatomical comparison of five native woody species of Northeastern Mexico during the wet and dry season. Polibotánica [online]. 2022, n.54, pp.171-183.  Epub 12-Sep-2022. ISSN 1405-2768.  https://doi.org/10.18387/polibotanica.54.11.

In Mexico, the arid and semiarid ecosystems encompass more than 50% of the country surface, where the dry periods limit plant growth and survival. The objective of present study was focused to determine the leaf blade anatomical traits of Diospyros texana (Ebenaceae), Celtis laevigata (Cannabaceae), Bumelia celastrina (Sapotaceae), Condalia hookeri (Rhamnaceae) and Havardia pallens (Fabaceae) under natural habitat conditions during the wet and dry season. These woody plant species have a great role in the agroforestry systems as well as in the ecosystems services that they offer in the northeastern region of Mexico. The observed results during the wet season indicated that D. texana showed the highest ADCT (5.21 µm), SW (23.54 µm) and SL (31.08 µm). On the other hand, the species C. laevigata acquired a higher ADET (18.07 µm), TPP (77.63 µm) and SD (523; stomata·mm-2). With respect to the dry season, the higher ADCT (10.41 µm), ABCT (6.90 µm), MT (95.24 µm) and TLT (201.82 µm) were achieved in B. celastrina. Maximum values for ADET (19.75 µm), ABET (9.95 µm) and TPP (80.85 µm) were observed in C. laevigata. The higher correlations observed in the five studied species were shown between TLT with TPP and MT, which was significant (p<0.001). The species B. celastrina and H. pallens exhibited the higher anatomical traits differences which played a major role to withstand long periods of drought.

Palabras llave : arid ecosystems; anatomical traits; Bumelia celastrina; Diospyros texana; Havardia pallens.

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