Full Length Research Paper
Abstract
Two types of improved tropical maize populations, ABY1 (an improved traditional population) and DMRESRW (an elite introduced improved population) were compared for important agronomic traits during 2 years in South Benin (tropical lowland zone) in two locations corresponding to two different types of growing conditions: Abomey-Calavi (favourable conditions) and Abomey (unfavourable conditions). A randomized complete block design with four replications was used. ABY1 was significantly later than DMRESRW and showed plant and ear heights significantly greater. The two populations were very mildly infected. Husk cover was excellent in ABY1 and intermediate in DMRESRW. ABY1 grain yield was significantly lower than that of DMRESRW in favourable growing conditions and not significantly different from it in unfavourable conditions. ABY1 harvest index was significantly lower than that of DMRESRW. Recommendations related to the use of the two varieties are formulated.
Key words: Benin, improved traditional populations, maize, tropical populations, tropical zone, varieties.
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