Karakterisasi Morfologi Klon Kentang Di Dataran Medium

Tri Handayani • Eri Sofiari • Nfn Kusmana
Journal article Buletin Plasma Nutfah • Desember 2011


Morphological Characterization of Potato Clones in the Medium Land Area. Potato, as a subtropical plant, requires low temperature for optimum growing, especially for tuber formation (18oC). In the tropical area, potato is commonly planted at highland area. Planting of potato at medium land area may cause change on its morphological characteristics. The aim of this trial was to determine the morphological characteristics of potato plant cultivated at medium land. The trial was conducted at Majalengka (600 m asl), on April until July 2009. Eleven clones were used as treatment that were arranged in Randomized Block Design with three replications. Observation was done on 12 morphological characters, based on DUS Testing Guide (TG) of Potato published by plant variety production office. Plant height was significantly different among clones, whereas main stem thickness and leaf size were not different among clones. Morphological characteristic of the potato plant cultivated in medium land area, i.e. leaf canopy structure, growth habit, stem anthocyanin color, leaf arrangement, secondary leaf existence, flower frequency and flower color varied among the genotypes. Meanwhile the intensity of green color of leaf was not significantly different among the tested genotypes.


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