Variability of anatomical-physiological traits in black locust clones - Robinia pseudoacacia L
2004
Orlović, Saša S. | Pajević, Slobodanka P. | Krstić, Borivoj Ð | Merkulov, Ljiljana S. | Nikolić, Nataša P. | Pilipović, Andrej R.
Variability within R. pseudoacacia species represents an important factor in selection of fast-growing genotypes. Therefore, it is important to identify superior individuals according to their anatomical and physiological traits. This paper presents the results of a study of genotype variability of the main leaf anatomical (frequency, length and width of stomata, leaflet thickness among veins, leaflet thickness on the main vein, mesophyll thickness, length and width of vascular bundle of main vein) and physiological (leaf area, photosynthetic pigments content and content of N P, K, Ca, Na) parameters among five clones of Robinia pseudoacacia L. Significant interclonal variations were observed in the investigated parameters. Clone R-56 had the highest N, P, and K concentrations, the largest mesophyll volume and the highest pigment concentration. We concluded that the clone R-56, although without a remarkable leaf area, possesses the ability for high photosynthetic production. The results are going to be used in further work on selection.
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