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Genetic Diversity and Population Structure Analysis of Potato Somaclones

HAYATI Journal of Biosciences · Vol. 30 No. 6 (2023) · hlm. 1008–1016

DOI
10.4308/hjb.30.6.1008-1016
ISSN
2086-4094, 1978-3019
Terbit
2023-07-24
Penerbit
Bogor Agricultural University, Indonesia
Bahasa
eng

Abstrak

Cultivated potato varieties are tetraploid and vegetatively propagated. Therefore genetic improvement for new traits is less effective through hybridization. The mutation is considered an alternative method for crop improvement of those varieties. This study aimed to evaluate the effects of gamma-ray irradiation on increasing genetic diversity among the somaclones and the changes in population structure. Forty-four somaclones were used as observed materials. The population was grown in a screen house using a completely randomized design with genotype (somaclone) as a single factor. Thirteen qualitatively and quantitatively morphological characters were observed. Six SSR markers were used for analyzing the population structure. The selection process was based on a weighting method divided into quartiles. Selected numbers were taken from quartile 3. Morphological analysis of stems and leaves resulted in five different somaclones, with significant differences in anthocyanin appearance and intensity of the green color of the leaflets. Diversity criteria based on quantitative characteristics showed a high level of diversity with a high heritability for tuber weight, length, and diameter and a moderate heritability for tuber number. Analyzing the population structure has offered insight into how gamma irradiation affected the somaclones. As a result of the selection, 12 somaclones met the requirements to serve as seed sources for field testing. It is expected that the results of this study will provide information about the diversity caused by gamma-ray irradiation treatment on potato somaclones and a method for improving the efficiency of the initial selection of potato populations.

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  • Jenderal Soedirman University
  • Indonesian Center for Agricultural Biotechnology and Genetic Resource Research and Development
  • Institut Teknologi Sepuluh Nopember
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IDA HANARIDAAfiliasi tidak diketahui2
Puji LestariJenderal Soedirman University2
Sobir SobirAfiliasi tidak diketahui2
Syarifah Iis AisyahAfiliasi tidak diketahui2
Rumaisha Afifatul HafizahAfiliasi tidak diketahui1
Djoko TamamiAfiliasi tidak diketahui1
Suci AmaliaAfiliasi tidak diketahui1
Sri Anna MarliyatiAfiliasi tidak diketahui1
Mira DewiAfiliasi tidak diketahui1
Nurul KhumaidaAfiliasi tidak diketahui1
Sintho Wahyuning ArdieAfiliasi tidak diketahui1
Hajrial AswidinnoorAfiliasi tidak diketahui1
Reflinur ReflinurIndonesian Center for Agricultural Biotechnology and Genetic Resource Research and Development1
SUGIONO MOELJOPAWIROAfiliasi tidak diketahui1
KALIA BARNITAAfiliasi tidak diketahui1
SITI YURIAHAfiliasi tidak diketahui1
Dinar AmbarwatiAfiliasi tidak diketahui1
Mastur -Afiliasi tidak diketahui1
Yudi SastroAfiliasi tidak diketahui1
Kristianto NugrohoAfiliasi tidak diketahui1
Rerenstradika Tizar TerryanaAfiliasi tidak diketahui1
I Gusti Komang Dana ArsanaAfiliasi tidak diketahui1
I Made Jana MejayaAfiliasi tidak diketahui1
Priatna SasmitaAfiliasi tidak diketahui1
Karden MulyaAfiliasi tidak diketahui1
Deden Derajat MatraAfiliasi tidak diketahui1
Mahat MagandhiAfiliasi tidak diketahui1
Yudiwanti WahyuAfiliasi tidak diketahui1
SudarmonoAfiliasi tidak diketahui1
Abdul MunifInstitut Teknologi Sepuluh Nopember1
Deden SukmadjajaAfiliasi tidak diketahui1
Abdjad Asih NawangsihAfiliasi tidak diketahui1
Ely MaghfirohAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) http://journal.ipb.ac.id/index.php/hayati/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en">Genetic Diversity and Population Structure Analysis of Potato Somaclones</dc:title>
	<dc:creator xml:lang="en">Widaningsih, Nina Agusti</dc:creator>
	<dc:creator xml:lang="en">Roostika, Ika</dc:creator>
	<dc:creator xml:lang="en">Utami, Dwinita Wikan</dc:creator>
	<dc:creator xml:lang="en">Maharijaya, Awang</dc:creator>
	<dc:creator xml:lang="en">Kusmana</dc:creator>
	<dc:creator xml:lang="en">Jenudin, Usep</dc:creator>
	<dc:creator xml:lang="en">Sobir</dc:creator>
	<dc:description xml:lang="en">Cultivated potato varieties are tetraploid and vegetatively propagated. Therefore genetic improvement for new traits is less effective through hybridization. The mutation is considered an alternative method for crop improvement of those varieties. This study aimed to evaluate the effects of gamma-ray irradiation on increasing genetic diversity among the somaclones and the changes in population structure. Forty-four somaclones were used as observed materials. The population was grown in a screen house using a completely randomized design with genotype (somaclone) as a single factor. Thirteen qualitatively and quantitatively morphological characters were observed. Six SSR markers were used for analyzing the population structure. The selection process was based on a weighting method divided into quartiles. Selected numbers were taken from quartile 3. Morphological analysis of stems and leaves resulted in five different somaclones, with significant differences in anthocyanin appearance and intensity of the green color of the leaflets. Diversity criteria based on quantitative characteristics showed a high level of diversity with a high heritability for tuber weight, length, and diameter and a moderate heritability for tuber number. Analyzing the population structure has offered insight into how gamma irradiation affected the somaclones. As a result of the selection, 12 somaclones met the requirements to serve as seed sources for field testing. It is expected that the results of this study will provide information about the diversity caused by gamma-ray irradiation treatment on potato somaclones and a method for improving the efficiency of the initial selection of potato populations.</dc:description>
	<dc:publisher xml:lang="en">Bogor Agricultural University, Indonesia</dc:publisher>
	<dc:date>2023-07-24</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>http://journal.ipb.ac.id/hayati/article/view/42911</dc:identifier>
	<dc:identifier>10.4308/hjb.30.6.1008-1016</dc:identifier>
	<dc:source xml:lang="en">HAYATI Journal of Biosciences; Vol. 30 No. 6 (2023): November 2023; 1008-1016</dc:source>
	<dc:source>2086-4094</dc:source>
	<dc:source>1978-3019</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>http://journal.ipb.ac.id/hayati/article/view/42911/26019</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2023 Nina Agusti Widaningsih, Ika Roostika, Dwinita Wikan Utami, Awang Maharijaya, Kusmana, Usep Jenudin, Sobir</dc:rights>
</oai_dc:dc>