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    Grain yield of maize varieties of different maturity groups under marginal rainfall conditions

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    S08ArtOluwarantiGrainNothomDev.pdf (1.682Mb)
    Date
    2008
    Author
    Oluwaranti, A.
    Fakorede, M.A.
    Badu-Apraku, B.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    This study was conducted to evaluate the yield performance of different maturity groups of maize varieties at different planting dates under the marginal rainfall conditions of the rainforest ecology of Nigeria and identify the high yielding ones. The maize varieties were evaluated on five and three different planting dates in 2001 and 2005 late cropping seasons respectively. Seven planting dates were used in 2002 and 2006 early cropping seasons. All plantings were done at a weekly interval. Data were obtained on grain yield and yield components. Grain yield and yield components decreased as planting was delayed in the late seasons while in the early seasons they showed contrasting trend. To obtain optimum yield for the maturity classes evaluated, the varieties must be planted about the end of August or first week of September for the late season and about the middle of April in the early season. At the optimum planting date TZEE- WSRBCs and ACR 90 POOL16-DT with grain yield of 3.8 tons ha-1 and 6.4 tons ha-1 were the highest yielding varieties in 2001 and 2002 respectively. In 2005 late cropping season, TZECOMP3DT (1.7 tonsha) was the highest yielding while in 2006 early cropping seasons, ACR 95 TZECOMP4C3 (4.37 tonsha) was the highest yielding variety.
    https://doi.org/10.2298/JAS0803183O
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/3558
    Digital Object Identifier (DOI)
    https://doi.org/10.2298/JAS0803183O
    IITA Subjects
    Grain Legumes; Maize; Plant Ecology
    Agrovoc Terms
    Maize; Yield; Maize Varieties; Planting Dates; Ecology
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Collections
    • Journal and Journal Articles5286
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