Genetic potential of cassava biodiversity in Bangka Island, Indonesia

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TRI LESTARI
RION APRIYADI

Abstract

Lestari T, Apriyadi R. 2017. Genetic potential of cassava biodiversity in Bangka Island, Indonesia. Cell Biol Dev 2: 41-45. Cassava is potential as a mixture ingredient of flour in the Bangka’s food industry. This study aimed to discover the biodiversity of local cassava in Bangka. This research was conducted in experimental field of the Faculty of Agriculture, University of Bangka Belitung, Indonesia from July 2015 to July 2016. The experimental design was randomized block design with 10 local cassavas of Bangka that consisted of upang, sekula, bayel, mentega, kuning, batin, pulut, sutera, rakit, and Selangor. Isozyme analysis performed using starch gel electrophoresis with horizontal models. Analysis for five Bangka local cassava varieties and one National cassava variety used RAPD group OP A and OP B. The results showed that the phenotypic performance was different on the type of plant, the morphology of leaves, stems, and tubers of local cassava of Bangka. Isozyme analysis showed polymorphic banding pattern, while the eight RAPD primers used did not produce polymorphic. This research showed Bangka local cassava morphologically different based on visual observation. Morphological character of Bangka local cassava leaf was divided into three shapes of lobe: ellipse (upang, sekula, bayel, mentega, batin, pulut, rakit, Selangor), linear (kuning) and lanceolate (sutera). This research data showed that the genetic diversity of local cassava in Bangka relatively high. Bangka local cassava has genetic potential as plant propagation material for plant breeding.

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