Variation in morphological and anatomical neeble characteristics in brutia pine provenances
1988
Matziris, D. | Tziovaras, El.
In two-year old experimental plantings of Pinus brutia including six provenances, eleven morphological and anatomical needle characteristics (needle length, needle width, needle thickness, sheath length, sheath trickness, number of serrations per cm of needle length, number of rows of stomata in the dorsal and ventral faces, number of stomata per cm of needle length in the dorsal and ventral faces and number of resin canals) were studied. The results showed that: Significant differences exist between provenances in all characteristics except number of stomata per cm needle length. Resin canals varied among provenances from 2.52 to 6.27 in the plating of Prokopi and from 2.37 to 3.90 in the less favorable environment of Borsi. In better sites the trees form more resin canals. There was a trend of reducing number of canals with increasing longitude of the provenance, but the sample was not large enough for any definite conclusion to be drawn. The provenance by environment interaction effect in the number of canals was very low, insignificant, nearly nonexisting, indicating the strong genetic control of the characteristic.
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