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        <dc:title>Genetic Variation for Striga hermonthica Resistance and Yield Among Sorghum Accessions in Nigeria</dc:title>
        <dc:creator>Afolayan, G</dc:creator>
        <dc:creator>Aladele, S E</dc:creator>
        <dc:creator>Deshpande, S P</dc:creator>
        <dc:creator>Kolawole, A P</dc:creator>
        <dc:creator>Nwosu, D J</dc:creator>
        <dc:creator>Michael, C</dc:creator>
        <dc:creator>Blay, E T</dc:creator>
        <dc:creator>Danquah, E Y</dc:creator>
        <dc:subject>Sorghum</dc:subject>
        <dc:subject>Genetics and Genomics</dc:subject>
        <dc:subject>Plant Disease</dc:subject>
        <dc:description>Striga hermonthica (Delile) Benth., commonly referred to as witch weed, is a major constraint to sorghum&#13;
(Sorghum bicolor (L.) Moench) production in the Northern region of Nigeria because of high yield losses due to&#13;
infestation. To identify parental lines useful in breeding for S. hermonthica resistant sorghum genotypes adapted&#13;
to Nigeria, twenty-five sorghum accessions were evaluated in Nigeria across three test environments. Both&#13;
phenotypic and genetic components influenced the variation observed in the sorghum accessions. The estimates&#13;
for the genetic coefficient of variation, heritability and genetic advance for the area under Striga number&#13;
progress curve (ASUNPC), Striga emergence counts, yield and other agronomic traits, obtained in this study&#13;
revealed that genetic gain for resistance to S. hermonthica could be realized through selection. Based on the&#13;
performance of the 25 sorghum accessions SRN39, Danyana, Sepon82, and SAMSORG40 were the top four&#13;
accessions found to be most resistant to S. hermonthica. Assessment of resistance was based on the low Striga&#13;
emergence counts and the ASUNPC values. These accessions can be used as donor sources of S. hermonthica&#13;
resistant genes for introgression into cultivars adapted to Nigeria, followed by recombination breeding for&#13;
pyramiding the different resistance mechanisms.</dc:description>
        <dc:publisher>Canadian Center of Science and Education (CCSE)</dc:publisher>
        <dc:date>2020-06</dc:date>
        <dc:type>Article</dc:type>
        <dc:type>PeerReviewed</dc:type>
        <dc:format>application/pdf</dc:format>
        <dc:language>en</dc:language>
        <dc:identifier>http://oar.icrisat.org/11587/1/Genetic-Variation-for-Striga-hermonthica.pdf</dc:identifier>
        <dc:identifier>  Afolayan, G and Aladele, S E and Deshpande, S P and Kolawole, A P and Nwosu, D J and Michael, C and Blay, E T and Danquah, E Y  (2020) Genetic Variation for Striga hermonthica Resistance and Yield Among Sorghum Accessions in Nigeria.  Journal of Agricultural Science, 12 (7).  pp. 192-202.  ISSN 1916-9752     </dc:identifier>
        <dc:relation>https://doi.org/10.5539/jas.v12n7p192</dc:relation>
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