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Sa područja zapadne obale Istre na lokacijama Bale i Vižinada izdvojeno je šest fenotipova maslina koji se ne nalaze na sortnoj listi RH niti ih spominje dosadašnja literatura. Lokalno stanovništvo ih naziva Bjelica ( Belica, Zelena, Verdedura…) iz razloga što im plod prilikom dozrijevanja ne mijenja boju u tamnu, nego ostaje u nijansama zeleno-žutih boja isto kao kod standardne sorte Istarske bjelice. No od standardne sorte Istarska bjelica koja ima karakterističan spiralan list izdvojeni se fenotipovi bitno razlikuju, a isto tako razlika je evidentna i na osnovi morfologije ploda. Jednogodišnji rezultati istraživanja morfoloških osobina ploda, koštice i lista pokazuju različitost na razini značajnosti između šest istraživanih fenotipova kao i u odnosu na standardnu sortu Istarsku bjelicu. Identificirani su fenotipovi s najkrupnijim plodom, najužim plodom, najdužom košticom, najširim plodom i najvišom vrijednošću između duljine i širine lista., On the west coast of Istria, near places Bale and Vižinada are separatated six phenotypes olives. These phenotypes are not on the cultivar list Republic of Croatia, and not mentioned in previous literature. Local populations called them Bjelica (Belica, Zelena, Verdedura ) for failure to changes the color of fruits in the dark during the maturation, as well as the standard varieties Istarska bjelica. Standard varieties of Istarska bjelica has a distinctive spiral leaf in the comparation with the separate phenotypes are significantly different, and difference is also evident in the morphological characteristics of fruit. The aim of this study was to determine the morphological differences between the separated phenotypes and between the standard cultivar Istarska bjelica. One-year results of investigation of morphological characteristics of fruit, stone and leaf shows the significance diversity between the six studied phenotypes and as well as in relation to the standard cultivar of Istarska bjelica. The research results showed phenotype with a biggest fruit, phenotype with a narrowest fruit, phenotype with the longest stone, phenotype with broad fruit and phenotype with the highest value between the length and width of the leaf.

U radu su izneseni rezultati istraživanja morfoloških karakteristika ploda, koštice i lista četiri gospodarski interesantna fenotipa masline (Olea europaea L.) sorte Lastovka s područja sjeverozapadnog djela otoka Korčule gdje se nalazi najveća koncentracija starih stabala ove sorte. Izneseni rezultati potvrđuju postojanje morfoloških različitosti između istraživanih fenotipova. Fenotip 1 ima najuži list kao i najvišu vrijednost odnosa duljine i širine lista. Fenotip 2 ima najniže vrijednosti mase ploda, dužine i širine ploda, dužine i širine koštice te odnosa duljine i širine ploda, koštice i lista. Fenotip 3 ima najvišu vrijednost mase, dužine i širine koštice. Fenotip 4 ima najnižu vrijednost mase koštice., The paper present results of investigation of morphological characteristics of fruit, stone and a leaf of four economically interesting olive (Olea europaea L.) phenotypes cv. Lastovka from the north-western part of the island of Korčula, where the greatest concentration of old Lastovka trees exist. Presented results confirm the existence of morphological differences between the investigated phenotypes. Phenotype 1 has the narrowest leaf as well as the highest value of the length/width leaf ratio. Phenotype 2 has the lowest value of fruit weight, fruit length and fruit width, stone length and width, as well as the lowest value of the length/width fruit, stone and leaf ratios. Phenotype 3 has the highest value of weight, length and width of stones. Phenotype 4 has the lowest value of the stone weight.