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ANALYSIS OF COMBINING ABILITY, HETEROSIS EFFECT AND HERITABILITY ESTIMATE OF YIELD-RELATED CHARACTERS IN SHALLOT (Alium cepa var. ascalonicum Baker)

AGRIVITA, Journal of Agricultural Science · Vol. 34 No. 1 (2012) · hlm. 36–43

DOI
10.17503/agrivita.v34i1.142
ISSN
2477-8516, 0126-0537
Terbit
2012-02-29
Penerbit
Faculty of Agriculture University of Brawijaya in collaboration with PERAGI
Bahasa
eng

Abstrak

Low productivity of shallot in Indonesia can be improved through development of high yielding variety. The availability of genetic information related to the character being improved is inevitable for effective breeding program. In this study, seven shallot genotypes were evaluated for their combining ability for yield improvement using half diallel cross. Heterosis effect and heritability estimate was also investigated for yield-related characters. The results showed that there were significant differences in general combining ability (GCA) and specific combining ability (SCA) among the evaluated genotypes. Tiron and Timor had the greatest GCA. The greatest SCA and heterosis value was found in crosses of Kuning/Tiron, Timor/Bima Juna, Tiron/Timor and Kuning/Sibolangit. Heterosis effect varied from low to high. Broad sense heritability estimate for all characters was high, but narrow sense heritability was low for most charaters. The dominant gene action observed on all yield-related characters suggests that the evaluated genotypes are potential to be used in breeding for high yielding hybrid varieties. Keywords: GCA, SCA, heterosis, heritability, shallot

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  • Indonesian Institute of Sciences
  • Universitas Jambi
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Rustikawati RustikawatiAfiliasi tidak diketahui3
Merakati HandayaningsihAfiliasi tidak diketahui2
Eko SuprijonoAfiliasi tidak diketahui1
Atra RomeidaAfiliasi tidak diketahui1
Surjono H. SutjahjoAfiliasi tidak diketahui1
Fahrurrozi FahrurroziIndonesian Institute of Sciences1
Sri WinarsihAfiliasi tidak diketahui1
Nur BasukiAfiliasi tidak diketahui1
Astanto KasnoAfiliasi tidak diketahui1
Heri KustantoAfiliasi tidak diketahui1
Lilis SuryaniUniversitas Jambi1
Abdul Latief AbadiAfiliasi tidak diketahui1
Luqman Qurata AiniAfiliasi tidak diketahui1
MARIA AGUSTINAAfiliasi tidak diketahui1
TRI KOESOEMANINGTYASAfiliasi tidak diketahui1
YUSURUM JAGAUAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) https://agrivita.ub.ac.id/index.php/agrivita/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-US">ANALYSIS OF COMBINING ABILITY, HETEROSIS EFFECT AND HERITABILITY ESTIMATE OF YIELD-RELATED CHARACTERS  IN SHALLOT (Alium cepa var. ascalonicum Baker)</dc:title>
	<dc:creator>Farid, Noor</dc:creator>
	<dc:creator>Sugiharto, Arifin Noor</dc:creator>
	<dc:creator>Herison, Catur</dc:creator>
	<dc:creator>Purwito, Agus</dc:creator>
	<dc:creator>Sutjahjo, Surjono Hadi</dc:creator>
	<dc:description xml:lang="en-US">Low productivity of shallot in Indonesia can be improved through development of high yielding variety. The availability of genetic information related to the character being improved is inevitable for effective breeding program. In this study, seven shallot genotypes were evaluated for their combining ability for yield improvement using half diallel cross.  Heterosis effect and heritability estimate was also investigated for yield-related characters.  The results showed that there were significant differences in general combining ability (GCA) and specific combining ability (SCA) among the evaluated genotypes. Tiron and Timor had the greatest GCA.  The greatest SCA and heterosis value was found in crosses of Kuning/Tiron, Timor/Bima Juna, Tiron/Timor and Kuning/Sibolangit. Heterosis effect varied from low to high. Broad sense heritability estimate for all characters was high, but narrow sense heritability was low for most charaters.  The dominant gene action observed on all yield-related characters suggests that the evaluated genotypes are potential to be used in breeding for high yielding hybrid varieties.   Keywords: GCA, SCA, heterosis, heritability, shallot</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Agriculture University of Brawijaya in collaboration with PERAGI</dc:publisher>
	<dc:contributor xml:lang="en-US"></dc:contributor>
	<dc:date>2012-02-29</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-US">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://agrivita.ub.ac.id/index.php/agrivita/article/view/142</dc:identifier>
	<dc:identifier>10.17503/agrivita.v34i1.142</dc:identifier>
	<dc:source xml:lang="en-US">AGRIVITA Journal of Agricultural Science; Vol 34, No 1 (2012); 36-43</dc:source>
	<dc:source>2477-8516</dc:source>
	<dc:source>0126-0537</dc:source>
	<dc:source>10.17503/agrivita.v34i1</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://agrivita.ub.ac.id/index.php/agrivita/article/view/142/592</dc:relation>
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