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    Health of farmersaved maize seed in northeast Nigeria

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    Date
    2013-11
    Author
    Biemond, P.C.
    Oguntade, O.
    Stomph, T.
    Kumar, P.L.
    Termorshuizen, A.J.
    Struik, Paul C.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    Many Nigerian farmers depend for their seed on seed-producing farmers, the so-called informal Seed System (SS), but seed quality of the SS is unknown. Farmers planting low quality seed risk poor field emergence and low plant vigour as a result of low physiological quality or infection with seed-borne pathogens. The objective of this research was to test seed quality of maize seed from the informal SS in north-east Nigeria. A total of 46,500 seeds (93 samples of 500 seeds each) were tested for germination, off-types and seed health. Seed pathology was quantified by plating disinfected seeds onto agar, and identifying the fungi present after 3 days incubation. Twelve seed-borne pathogens were identified including Bipolaris maydis (found in 45 % of the farmer-produced samples), Botryodiplodia theobromae (97 %) and Curvularia lunata (38 %). All samples were infected with Fusarium verticillioides, with a median infection incidence of 59 % (2009) and 51 % (2010). None of the 93 samples tested passed the demands for certified seed of the National Agricultural Seeds Council (NASC) in Nigeria, in particular the maximum limit of five off-types per kg seed sample. Based on these results, seed-producing farmers must improve the health of seed. The NASC should revise the standards for off-type seeds to minimize the time spent by farmers sorting planting material.
    https://dx.doi.org/10.1007/s10658-013-0269-5
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/1208
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1007/s10658-013-0269-5
    IITA Subjects
    Maize
    Agrovoc Terms
    Seed Pathology; Zea Mays; Maize
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Journals
    European Journal of Plant Pathology
    Collections
    • Journal and Journal Articles4835
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