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Agronomic performance and genotypic diversity for morphological traits among early maize genotypes

International Journal of Applied Biology · Vol. 2 No. 2 (2018) · pp. 33–43

ISSN
2580-2119, 2580-2410
Published
2018-12-25
Publisher
Hasanuddin University
Language
en

Abstract

Detailed information on the genetic diversity between maize germplasm (Zea mays L.) is useful for their systematic and efficient use in breeding programs. Fourteen early maize genotypes were studied to assess their performance and genotypic diversity at Doti, Nepal in 2015. Days to tasseling, days to silking, plant height, ear height, ear length, ear diameter and grain yield were significant among genotypes. Genotype SO3TEY-PO-BM, COMPOL-NIOBP and ACROSS-99402 were found higher yielder with earlier maturity. Days to tasseling (0.85), days to silking (0.82), plant height (0.79), ear length (0.71) and ear diameter (0.66) were found highly heritable traits. Grain yield (0.39) and ear height (0.47) medium and remaining traits showed low heritability. High PCV was observed for grain yield (35.10%), number of plants/plot (34.46%), tesseling silking interval (26.85%), harvested ears/plot (24.45%) and husk cover rating (22.85%) where other traits showed medium to low PCV. Grain yield showed high GCV (21.96%), ear height and husk cover had medium and remaining traits showed low GCV (<10%). Plant height (r₌0.498), harvested plants/plot (r₌0.412), harvested ear/plot (r₌0.762), ear length (r₌0.472) and ear diameter (r₌0.470) showed significant positive correlation with grain yield. The yield can be improved if selection applied in favor of those yield components.

Collaboration network of the authors

20 authors · 37 co-authorship links

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Co-authorOrganisationJoint articles
Pitamber ThakurAffiliation unknown1
Ghanashyam BhandariAffiliation unknown1
Buddhi Bahadur AchhamiAffiliation unknown1
Dil Bahadur GurungAffiliation unknown1
Balram BhandariAffiliation unknown1
Mahendra Prasad TripathiAffiliation unknown1
Bikram NepaliAffiliation unknown1
Sabin BhattaraiAffiliation unknown1
Saroj ThapaAffiliation unknown1
Khagendra ThapaAffiliation unknown1
Amit ChaudharyAffiliation unknown1
Bishnu Hari AdhikaryAffiliation unknown1
Bandhu Raj BaralAffiliation unknown1
Manish Kumar PalAffiliation unknown1
Kapil KafleAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.unhas.ac.id/index.php/ijoab/oai, first harvested 3 Nov 2026, last seen 3 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">Agronomic performance and genotypic diversity for morphological traits among early maize genotypes</dc:title>
	<dc:creator xml:lang="en">Adhikari, Bhim Nath</dc:creator>
	<dc:creator xml:lang="en">Shrestha, Jiban</dc:creator>
	<dc:creator xml:lang="en">Dhakal, Bishal</dc:creator>
	<dc:creator xml:lang="en">Joshi, Bishnu Prasad</dc:creator>
	<dc:creator xml:lang="en">Bhatta, Naba Raj</dc:creator>
	<dc:description xml:lang="en">Detailed information on the genetic diversity between maize germplasm (Zea mays L.) is useful for their systematic and efficient use in breeding programs. Fourteen early maize genotypes were studied to assess their performance and genotypic diversity at Doti, Nepal in 2015. Days to tasseling, days to silking, plant height, ear height, ear length, ear diameter and grain yield were significant among genotypes. Genotype SO3TEY-PO-BM, COMPOL-NIOBP and ACROSS-99402 were found higher yielder with earlier maturity. Days to tasseling (0.85), days to silking (0.82), plant height (0.79), ear length (0.71) and ear diameter (0.66) were found highly heritable traits. Grain yield (0.39) and ear height (0.47) medium and remaining traits showed low heritability. High PCV was observed for grain yield (35.10%), number of plants/plot (34.46%), tesseling silking interval (26.85%), harvested ears/plot (24.45%) and husk cover rating (22.85%) where other traits showed medium to low PCV. Grain yield showed high GCV (21.96%), ear height and husk cover had medium and remaining traits showed low GCV (&amp;lt;10%). Plant height (r₌0.498), harvested plants/plot (r₌0.412), harvested ear/plot (r₌0.762), ear length (r₌0.472) and ear diameter (r₌0.470) showed significant positive correlation with grain yield. The yield can be improved if selection applied in favor of those yield components.</dc:description>
	<dc:publisher xml:lang="en">Hasanuddin University</dc:publisher>
	<dc:date>2018-12-25</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>https://journal.unhas.ac.id/index.php/ijoab/article/view/5633</dc:identifier>
	<dc:source xml:lang="en">International Journal of Applied Biology; Vol. 2 No. 2 (2018): International Journal of Applied Biology; 33-43</dc:source>
	<dc:source>2580-2119</dc:source>
	<dc:source>2580-2410</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unhas.ac.id/index.php/ijoab/article/view/5633/3181</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2018 International Journal of Applied Biology</dc:rights>
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