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    Registration of 18 first cycle tropical midaltitude maize germplasm lines

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    Journal Article (108.3Kb)
    Date
    1994
    Author
    Everett, L.
    Eta-Ndu, J.T.
    Ndioro, M.
    Tabi, I.
    Kim, S.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    These germplasm lines (with PI numbers ranging from 550899 to PI550925) were released in 1991 for use as source germplasm or as parental lines in high-rainfall tropical midaltitude regions. They were developed by selfing in the IITA Midaltitude Streak Resistant (TZMSR) and tropical lowland (TZSRW) populations, and from these populations or derivative lines crossed with East African hybrids. The principal nursery and testing sites were in the Western and Adamawa Plateaux of Cameroon. Data on disease resistance was collected at 2 sites on the Jos Plateau of Nigeria and screening for maize streak monogeminivirus was conducted at Ibadan, Nigeria. Information is tabulated on the parentage, grain texture, days to silking, plant height and reaction to Exserohilum turcicum [Setosphaeria turcica], Cercospora zeae-maydis and Physoderma maydis of the germplasm lines. The lines are primarily late maturing and short in stature. All except one line have white grains and all are resistant or moderately resistant to MSV. They exhibit sufficient diversity of plant heights, maturities, grain types and disease resistance to contribute to a range of breeding requirements.
    https://doi.org/10.2135/cropsci1994.0011183X003400050074x
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/4567
    Digital Object Identifier (DOI)
    https://doi.org/10.2135/cropsci1994.0011183X003400050074x
    IITA Subjects
    Plant Diseases; Disease Control; Pests Of Plants
    Agrovoc Terms
    Germplasm; Disease Resistance; Maize Streak Virus
    Regions
    Acp; Africa; North America; Central Africa; West Africa
    Countries
    United States; Cameroon; Nigeria
    Collections
    • Journal and Journal Articles4835
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