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    Influence of nitrogen fertilization on the performance of early and late maturing maize varieties under natural infestation with Striga hermonthica (Del.) Benth

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    kamara-influence-2009.pdf (223.6Kb)
    Date
    2009
    Author
    Kamara, A.Y.
    Ekeleme, F.
    Omoigui, L.O.
    Menkir, A.
    Chikoye, D.
    Dugje, I.Y.
    Abdoulaye, Tahirou
    Amaza, P.
    Type
    Journal Article
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    Abstract/Description
    Field studies were conducted in northeast Nigeria to evaluate the response ofearly and late-maturing maize varieties infested with natural populations ofStrigato different rates of nitrogen (N) fertilizer. There were significant reductions in thenumber of emergedStrigaat 120 kg N ha71for the early varieties and at 60 and120 kg N ha71for the late varieties. The number of emergedStrigaonlysignificantly differed among the late varieties. Averaged across varieties, grainyield of the early varieties was 144% higher at 60 kg N ha71and 192% higher at120 kg N ha71than without added N. For the late varieties the increase in grainyield was 85% higher at 60 kg N ha71and 144% higher at 120 kg N ha71thanwithout added N. Among the early varieties, TZE COMP4 C3 had significantlylower grain yield than the other varieties. Among the late varieties, grain yields of8338-1-1 and TZB-SR were significantly lower than in the other varieties. Ourresults show that the application of 60–120 kg N/ha toStrigaresistant or tolerantvarieties may reduce damage and increase grain yield. Higher economic rates ofreturn was obtained at N rates of 60–120 kg N/ha than the other rates.
    https://dx.doi.org/10.1080/03650340802342284
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/2490
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1080/03650340802342284
    IITA Subjects
    Disease Control; Agribusiness; Farm Management; Maize; Plant Diseases; Plant Production; Pests Of Plants
    Agrovoc Terms
    Maize Varieties; Striga Emergence; Nitrogen Fertilization; Yield; Cereal Production; N Fertilizer; Sorghum Varieties
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Journals
    Archives of Agronomy and Soil Science
    Collections
    • Journal and Journal Articles4836
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