Varietal trial of maize (Zea mays L.) for evaluation of growth and yield parameters in Terai region of Nepal

Year 2024, Volume: 7 Issue: 2, 108 - 119, 31.12.2024

Puja Yadav , Dipesh Mehata , Bishnu Yadav , Riya Adhikari , Vivek Lahutiya

https://doi.org/10.46876/ja.1449464

Abstract

Hybrid maize is known for having a higher potential yield in contrast to open-pollinated varieties. Nonetheless, their production capabilities differ based on the specific geographical area and the prevailing local climate conditions. Finding a potential hybrid of maize that could be grown in Nepal's terai region was the main goal of this study. Randomized Complete Block Design with 5 varieties and 4 replications was used in this experiment in Bhadrapur, Jhapa, Nepal to identify the best productive maize variety. According to the study, grain yield showed a substantial and positive correlation with cob attributes and yield components but a negative correlation with phenological traits. The tallest variety during the experiment was Pioneer 3396 (220.72cm). Rampur composite with 67.25 days and Pioneer 3396 with 69.00 days showed earlier days to anthesis. Based on these findings, the two hybrids with the highest grain yields were CP 808 (7.18 t/ha) and Pioneer 3396 (6.17 t/ha). As a result, these two hybrids, rather than other available hybrids, are thought to be the most promising variety and are strongly advised for cultivation in the research area.

Keywords

Zea mays, Varieties, Grain yield, Correlation, Phenological traits

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