Menara Perkebunan
Vol 89, No 1 (2021): April, 2021

Genetic relationships in Saccharum complex germplasm collections based on morphological and molecular markers

Wiwit Budi WIDYASARI (Indonesian Sugar Research Institute)
. DAMANHURI (Unknown)



Article Info

Publish Date
28 May 2021

Abstract

Sugarcane has a high degree of heterozygosity and is a cross-pollinator, so information about the genetic relationship between the accessions in germplasm collections is very important for selecting the prospective parent in crossbreeding. This research aims to determine the phylogenetic relationship of 24 Saccharum complex accessions and to verify the grouping of accessions using 37 morphological and three microsatellite molecular markers. Interpretation of morphological and molecular data was obtained from the analysis using the NTYSYpc-2.02i program. The results show that within the 24 accessions analyzed using morphological markers, some accessions did not cluster as the classification at the conservation time. This difference is due to the morphological markers, so the value of genetic similarity among accessions analyzed is increased. In contrast, the grouping of molecular markers shows that each accession was grouped according to the classification at the conservation time. These accessions had a low genetic similarity of 0.20 with a broad genetic distance of 0.80. This broad genetic distance indicates that the twenty-four accessions have a distant genetic relationship with one another, so that the genetic diversity of these accessions is relatively high. The high genetic diversity in germplasm collections improves its potential as a crossing parent to obtain a high heterosis effect.

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Journal Info

Abbrev

mpjurnal

Publisher

Subject

Agriculture, Biological Sciences & Forestry

Description

Menara Perkebunan as a communication medium for research in estate crops published articles covering original research result on the pre- and post-harvest biotechnology of estate crops. The contents of the articles should be directed for solving the problems of production and/or processing of estate ...