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anale 9.pdf - Institutul National de Cercetare Dezvoltare pentru ...

anale 9.pdf - Institutul National de Cercetare Dezvoltare pentru ...

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STABILITATEA FORMELOR MUTANTE19ABOUT STABILITY OF HETEROHISTONT MUTANTS FORSKIN COLOUR OF POTATO TUBERSSummaryStrueture of colour mutant Urgenta G.R. with yellow red-splashed tubers from tIleoriginal variety Urgenta with red tubers is analyzed. According to the results of analysizesof thevegetative segregation and.of the eye-excission a periclinal chimaera of LIMIL2M2L3ana MIL~2L3 type was foud. The chimaera is rather stable; the few forms red coloured onmore than 50% of the tuber area disappear by somatical segregation in the fourth vegetative<strong>de</strong>scendance.OBER DIE STABILITĂT DER HETEROHISTONTE -MUTANTEFORMEN DER FARBE DER SCHALE BEI DEN KARTOFFELKNOLLENZusammenfassungEs wird die Struktur <strong>de</strong>r Farbmutante Urgenta G.R. mit gelben, rotgefIeckten Knollenaus <strong>de</strong>r urspri.inglichen Sorte Urgenta mit roten Knollen analysiert. Durch dic vegetativeSegregations-Analyse und die Exzision <strong>de</strong>r Augen wur<strong>de</strong> die periklinal-hymerische Natur vomTyp LIMIL~2L3 und M 1 L2M2L 3 festgesteIIt. Die Hymere ist relativ stabilisiert, die wenigenroten Pygment-Formen von mehr aIs 50% von <strong>de</strong>r Oberflache <strong>de</strong>r Knollen verschwan<strong>de</strong>n durchsomatische Segregation in <strong>de</strong>r vierten vegetativen Deszen<strong>de</strong>nz.OE YCTOfI4l1BOCTl1 fETEPOXI1CTAHbIX MYTAHTHbIX OPMUBETA KO)KVIUbI KAPTO

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