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    Determination of Post Striga Attachment Resistance in Selected Resistant Sorghum Lines in Kenya 

    Manene, Diana W.; Njoka, Fredrick M. (International Knowledge Press, 2017-05)
    Breeding for Striga resistance in sorghum and other cereals is recognized as the most sustainable control measure, however there is a lack of cereal germplasm that exhibit post attachment to Striga that limits this ...
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    Determination of Stem Rust Ug99 Disease Severity in Selected Wheat Backcrosses in Kenya 

    Tubei, Jackline E.; Ombori, Omwoyo; Njau, Peter N.; Njoka, Fredrick M. (2017-05)
    Stem rust (Puccinia graminis tritici) is a disease of economic importance in wheat (Triticum aestivum L.) worldwide. The objective of this study was to determine the disease severity of the BC1F1 plants in the nursery at ...
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    Response of Selected Kenyan Rice Cultivars to Infection by Root Knot Nematode (Meloidogyne incognita) 

    Namu, John; Alakonya, Amos; Karuri, Hannah W.; Nyaga, Justin; Masanga, Joel; Njeri, Editah (2019-03)
    Meloidogyne incognita causes huge yield losses in rice which is the third most important cereal crop in Kenya. The aim of this study was to identify M. incognita-resistant rice cultivars from Kenya and relate the responses ...
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    New sources of resistance to spotted stem borer, Chilo partellus in sorghum 

    Muturi, Phyllis W.; Rubaihayo, P.; Mgonja, M.; Kyamanywa, S.; Kibuka, J.; Sharma, H.C. (2012)
    The lepidopteran Chilo partellus Crambid, an introduced pest in East and southern Africa from Asia, is the most economically important stem borer species infesting cereals in Africa. Chilo partellus causes more than 40% ...
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    Novel source of sorghum tolerance to the African stem borer, Busseola fusca 

    Muturi, Phyllis W.; Rubaihayo, P.; Mgonja, M.; Kyamanywa, S.; Sharma, H.C.; Hash, C.T. (Academic Journals, 2012-08)
    Sorghum (Sorghum bicolor) is an important cereal food crop in semi-arid tropics, but its productivity is curtailed mainly by insect pests and diseases. The African stem borer, Busseola fusca Fuller (Lepidopteran: Noctuidae), ...
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    Pathogenicity of Colletotrichumkahawae in Kenya 

    Njoka, Fredrick M.; Owaka, Margaret; Omondi, Chrispine; Kathurima, Elijah (2017-05)
    This study was aimed at determining the virulence diversity of Colletotrichumkahawae, and their correlation with coffee growing regions and interaction with coffee varieties in Kenya. A total of 34 single conidia isolates ...
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    Introgression of Stem Rust Resistance into Popular Kenyan Wheat Varieties to Improve Production 

    Jackline, Tubei E.; Njoka, Fredrick M.; Ombori, Omwoyo; Njau, Peter N. (2018-02)
    Aim: The objective of this study was to assess the introgression of the stem rust resistance genes into the BC1F1 plants using molecular markers. Place and Duration of Study: Field experiments were carried out in a ...

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    AuthorNjoka, Fredrick M. (4)Kyamanywa, S. (2)Mgonja, M. (2)Muturi, Phyllis W. (2)Njau, Peter N. (2)Ombori, Omwoyo (2)Rubaihayo, P. (2)Sharma, H.C. (2)Alakonya, Amos (1)Hash, C.T. (1)... View MoreSubject
    resistance (7)
    backcross (2)disease severity (2)improvement (2)Sorghum bicolor (2)Stem rust (2)tolerance (2)Ug99 (2)aggressiveness (1)Busseola fusca (1)... View MoreDate Issued2017 (3)2012 (2)2018 (1)2019 (1)Has File(s)Yes (7)

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