Morphologic Characteristics Variability in Prunus spinosa L. Shrubs Identified in Southern Area of Oltenia, Romania

Sina N. COSMULESCU, Florentina GAVRILA CALUSARU

Abstract


This paper aims to analyse the variability of morphological characteristics of Prunus spinosa L. shrubs, identified and studied in the spontaneous flora in southern Oltenia, Romania (localities Calopar and Gura Văii). The observations made on trunk diameter, stem height, spinosity degree, ability to form basal shoots, have outlined the high variability, which is useful in breeding programs. Variability coefficient ranged between 26.02% and 30.87% for the stem diameter, between 23.48% and 32.32% for the plant height, between 30.93% and 37.81% for canopy diameter. Based on the obtained results, the C31, GV26, GV28, GV29, GV30, GV31, GV33, GV34, GV37 and GV8, GV9, GV27, GV35, C5, C24, C25, C26 and C29 genotypes are recommended for fixing the eroded lands, owing to their very strong, strong and medium ability to form basal shoots; while C10, C12, C23, C27, C28, C30, GV6, GV10, GV24, GV25, GV32 and GV36 genotypes are recommended to be studied as rootstocks in fruit tree species, having in view the low or missing vigor and ability to form basal shoots.


Keywords


blackthorn; diversity; genotypes; selection; vigour

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DOI: http://dx.doi.org/10.15835/nsb10310364


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Under the aegis of Horticulture and Forestry Society from Transylvania

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