What does this research mean for the field?

There is substantial agro-morphological and genetic variation among available maize inbred lines in Nepal, with specific lines such as RML76, RML17, and RML96 demonstrating high yield potential for hybrid development. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To assess agro-morphological and molecular diversity among maize inbred lines to identify complementary parental lines for hybrid breeding programs.

August 30, 2026Discover Plants.Open Access

Agro-morphological and SSR-based molecular characterization of Maize (Zea mays L.) inbred lines

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Authors

JSJiban Shrestha SGSurya Kant Ghimire KDKrishna Hari Dhakal

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Overview

Field and molecular evaluation reveals substantial genetic diversity in maize inbred lines, highlighting distinct parental candidates for high-yielding hybrid development.

Key Points

To assess agro-morphological and molecular diversity among maize inbred lines to identify complementary parental lines for hybrid breeding programs.
Evaluated 24 maize inbred lines across two seasons (October to March, 2022–2024) in Rampur, Chitwan, Nepal, using an alpha lattice design with three replications.
Characterized agro-morphological traits alongside molecular diversity profiling using 29 simple sequence repeat (SSR) markers.
Grain yield ranged from 1245 to 2240 kg/ha (mean: 1779 kg/ha), with top yields recorded in lines RML76 (2240 kg/ha), RML17 (2207 kg/ha), and RML96 (2190 kg/ha).
Cluster analysis demonstrated the largest centroid distance (862.61) between Cluster II and Cluster V, with principal component 1 accounting for 26.16% of cumulative variance.
Out of 29 SSR markers, 26 were polymorphic and identified 77 alleles, showing polymorphic information content values from 0.15 to 0.68 and fragment sizes of 50 to 1000 bp.

Cite This Study

Shrestha et al. (2026) studied this question.

synapsesocial.com/papers/6a93f00a6c1a8fb52e79c069 https://doi.org/10.1007/s44372-026-00843-2

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August 30, 2026Discover Plants.Open Access

Agro-morphological and SSR-based molecular characterization of Maize (Zea mays L.) inbred lines

View Full Paper

Ask AI

Bookmark

Authors

JSJiban Shrestha SGSurya Kant Ghimire KDKrishna Hari Dhakal

Discussion

Member takes

Overview

Field and molecular evaluation reveals substantial genetic diversity in maize inbred lines, highlighting distinct parental candidates for high-yielding hybrid development.

Key Points

To assess agro-morphological and molecular diversity among maize inbred lines to identify complementary parental lines for hybrid breeding programs.
Evaluated 24 maize inbred lines across two seasons (October to March, 2022–2024) in Rampur, Chitwan, Nepal, using an alpha lattice design with three replications.
Characterized agro-morphological traits alongside molecular diversity profiling using 29 simple sequence repeat (SSR) markers.
Grain yield ranged from 1245 to 2240 kg/ha (mean: 1779 kg/ha), with top yields recorded in lines RML76 (2240 kg/ha), RML17 (2207 kg/ha), and RML96 (2190 kg/ha).
Cluster analysis demonstrated the largest centroid distance (862.61) between Cluster II and Cluster V, with principal component 1 accounting for 26.16% of cumulative variance.
Out of 29 SSR markers, 26 were polymorphic and identified 77 alleles, showing polymorphic information content values from 0.15 to 0.68 and fragment sizes of 50 to 1000 bp.

Cite This Study

Shrestha et al. (2026) studied this question.

synapsesocial.com/papers/6a93f00a6c1a8fb52e79c069 https://doi.org/10.1007/s44372-026-00843-2

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