International Journal For Multidisciplinary Research

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Multi-local evaluation of the agronomic performances of new sorghum lines in the villages of Riadi, Garin Maigari and on station at CERRA-Maradi

Author(s) Yahaya Mamadou Aissata, Abdou Ousseini Ardaly, Ali Daouada Samaila, Zakari Moussa Ousmane
Country Niger
Abstract The field trial was conducted in 2021 rainy season at RIADI (13°25'47'' north latitude and 7°7'33'' east longitude, GARIN MAIGARI (13°36'88'' latitude North and 7°08'86'' East longitude) and the CERRA-Maradi STATION (13°27'72'' North latitude and 7°06'54'' East longitude) in order to evaluate the agronomic performance of new sorghum genotypes and to identify among them the best adapted genotypes in term of grain yields. The experiment contains thirty (30) different varieties including 24 varieties resulting from the cross between MDK and L153-5 genotypes, two parents (MDK and L-153-5), two station checks (L28 and SSD 35) and two local checks in each location. The treatments were laid out in an incomplete randomized block design with three replicates in each location. The results revealed positive and negative correlations between some variables such as RDT G and RDT T, RDT G and PP, RDT G and NPR, RDT G and HTR. The combined ANOVA revealed significant effects of genotype (G), environment (E) and genotype x environment interactions (GxE). In addition, GGE Biplot analysis, highly performed genotypes in grain yield such as V68, V3 and V58 were identified among the genotypes. Some genotypes have a specific adaptation, these are the MDK, TL2G, L28 and V5 genotypes which are the best genotypes in the mega environment formed by GARIN MAIGARI and RIADI and V27 and V73 which are the best genotypes in RIADI. This analysis allowed also to identify genotypes such as SSD 35, V61, L28, V27, MDK which have medium unstable yield means and V13, V 47, V 43, V19, V29, V8 which are stable but produced lower yields (below average). It also showed a correlation between the STATION and GARIN MAIGARI which constitute a mega environment and showed that GARIN MAIGARI is the ideal environment (reference). So, it can be used for genotypes with wide adaptation while non-representative environments such as RIADI and STATION are suitable for selecting specifically adapted genotypes.
Keywords sorghum, multi-local evaluation, new genotypes, agronomic performances.
Field Biology > Agriculture / Botany
Published In Volume 7, Issue 1, January-February 2025
Published On 2025-02-09
Cite This Multi-local evaluation of the agronomic performances of new sorghum lines in the villages of Riadi, Garin Maigari and on station at CERRA-Maradi - Yahaya Mamadou Aissata, Abdou Ousseini Ardaly, Ali Daouada Samaila, Zakari Moussa Ousmane - IJFMR Volume 7, Issue 1, January-February 2025. DOI 10.36948/ijfmr.2025.v07i01.36845
DOI https://doi.org/10.36948/ijfmr.2025.v07i01.36845
Short DOI https://doi.org/g84xh2
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