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Santa Bahadur B.K.
a:1:{s:5:"en_US";s:92:"Nepal Agricultural Research Council, National Maize Research Program, Rampur, Chitwan, Nepal";}
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Grain yield evaluation of maize genotypes at different planting dates Santa Bahadur B.K.
International Journal of Applied Biology Vol. 5 No. 2 (2021): International Journal of Applied Biology
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijab.v5i2.14832

Abstract

The genotypic yield potential of maize is influenced by planting dates. A study was conducted in Rampur, Chitwan, Nepal, in 2013/14 to determine the best planting dates for maize genotypes. Every week from April, 2013 to March, 2014, four maize genotypes viz Hybrid RML-4/RML-17, RML-32/RML-17, ACROSS-9944/ACROSS-9942, and S99TLYQ-B were planted. The maximum grain production (5565 kg/ha) was recorded in August, followed by February (5266 kg/ha), June (4475 kg/ha), and July (4255 kg/ha). The lowest yield was obtained in November planting (2572 kg/ha) followed by December planting (3019 kg/ha). During August planting, the maximum grain yields were obtained in RML-4/RML-17 (7392 kg/ha) followed by RML-32/RML17 (6606 kg/ha) and ACROSS-9944/ACROSS-9942 (5004 kg/ha). The QPM genotype S99TLYQ-B produced the highest grain yield (4198 kg/ha) in February planting. Maize grown in the winter had a larger yield potentiality than maize grown in the rainy season. This study suggests that RML-4/RML-17, RML-32/RML17, and ACROSS-9944/ACROSS-9942 should be planted in August (winter season) and S99TLYQ-B in February (spring season) for maximizing production.
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