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Evaluation of the performance of maize genotypes (<i>Zea mays</i> L.) for yield and other agronomic traits


A.K. Ibrahim
Yahaya Mukhtar

Abstract

A study was conducted at the Faculty of Agriculture, Research Farm, Bayero University, Kano State, (Lat. 11º541N, Long. 8º251E; 466m above sea level) between July and November 2015. The treatments consisted of twenty five  genotypes which comprises of six parents, 15 cross and four checks derived from partial diallel cross, laid out in 5x5 lattice design and replicated three times; these were tested for fourteen characters to evaluate their performance. The means sum of squares due to genotypes indicated highly significant differences (P<0.01) for plant height, kernel weight kg days to 50% pollen shed, and grain yield per hectare, while non-significant difference was observed for other traits. The significant differences observed revealed the presence of  substantial variability among the genotypes. P5 recorded the highest grain yield of (1075.56kg/ha), while P2P5 recorded the highest yield of (897.78kg/ha), indicating that, the highest yield obtained may be due to the combination of P5 which appears as the higher yielding parent. P2P3 recorded the lowest yield of (222.22kg/ha). It is therefore recommended that P5 has the highest yield, and can be used for hybridization programs to come up with new improved varieties.

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eISSN: 2006-6996
print ISSN: 2006-6996