Evaluación varietal de genotipos prometedores de arroz de primavera en Bagdula, Pyuthan, Nepal
DOI:
https://doi.org/10.21704/pja.v7i3.2009Palabras clave:
Rendimiento Biológico, Macollos efectivos, índice de cosecha, Longitud de la panícula, Rendimiento de pajaResumen
Se llevó a cabo un experimento de campo para evaluar el comportamiento (crecimiento, rendimiento y características que contribuyen al rendimiento) de cinco genotipos diferentes de arroz de primavera. El estudio se llevó a cabo en el campo de un agricultor en Bagdula, Pyuthan, bajo la supervisión de PMAMP, Rice Zone, Pyuthan, desde marzo hasta junio del 2021. Fueron evaluados cinco genotipos de arroz de primavera, incluidos PR-126, HHZ 25-DT9-Y1-Y1, IR 103575-76-1-1-B, IR 99742:2-11-17-1-9-B e IR 86515-19-1-2-1-1-1-1, mediante un diseño de bloques completos al azar (DBCA) con 4 repeticiones cada uno. Se midieron los parámetros que contribuyen al rendimiento y crecimiento de la planta, se ingresaron en MS-Excel y se analizaron usando el software R-Studio. Las plántulas de arroz se sembraron en una cama húmeda en un vivero y se trasplantaron a una distancia de 20 cm x 20 cm (3 plántulas por golpe). La mayor altura de planta (82.25 cm) y número de macollos por golpe (10.40) se registró en IR 86515-19-1-2-1-1-1-1, mientras que la menor altura de planta se registró en el genotipo IR 99742:2 -11-17-1-9-B (64.30 cm). PR- 126, mientras que el mayor rendimiento de paja se registró en IR 86515-19-1-2-1-1-1-1 (5.78 t.ha-1). De igual forma, los menores números de macollos efectivos (150.73 por m2), longitud de panoja (18.51 cm), número de granos por panoja (158.30) y peso de mil granos (22.53 g) se registraron en IR 99742:2-11-17-1- 9-B. Así, con base en el rendimiento y otros parámetros de crecimiento, se encontró que el genotipo PR-126 era el más adecuado para lograr una mayor productividad en Bagdula, Pyuthan, Nepal. Sin embargo, para su validación se deben realizar más ensayos de rendimiento en múltiples ubicaciones, incluidas evaluaciones del contenido de nutrientes.
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Derechos de autor 2023 Krishna Raj Pandey, Asbin BK, Uday Kumar Singh , Yagya Raj Joshi , Aashish Bhandari
Esta obra está bajo una licencia internacional Creative Commons Atribución 4.0.
