Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest Ethiopia
Many research works have been done on black cumin focusing on its nutritional and medicinal properties. But, there is inadequate information on the association of yield and yield-constituting traits of black cumin to improve its production. Therefore, correlation analysis was made on thirty-six blac...
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| Format: | Article |
| Language: | English |
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Wiley
2020-01-01
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| Series: | International Journal of Agronomy |
| Online Access: | http://dx.doi.org/10.1155/2020/8837794 |
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| author | Zigyalew Gashaw Wosene Gebreselassie Girma Hailemichael |
| author_facet | Zigyalew Gashaw Wosene Gebreselassie Girma Hailemichael |
| author_sort | Zigyalew Gashaw |
| collection | DOAJ |
| description | Many research works have been done on black cumin focusing on its nutritional and medicinal properties. But, there is inadequate information on the association of yield and yield-constituting traits of black cumin to improve its production. Therefore, correlation analysis was made on thirty-six black cumin accessions evaluated at Jimma in simple lattice design during 2016, to quantify the relationship between traits. The result of the analysis showed that seed yield ha−1 had positive and highly significant correlation with number of effective capsules (0.88), secondary branches (0.73), plant height (0.72), total branches (0.71), steam thickness (0.58), primary branches (0.52), tertiary branches (0.52), harvesting index (0.47), and biological yield (0.43). Path coefficient analysis revealed that harvesting index, biological yield, and number of effective capsules exerted high and favorable direct contribution to seed yield at phenotypic level, whereas harvesting index, biological yield, primary and tertiary branches, number of effective capsules, and stem thickness showed positive direct effect at genotypic level. The favorable direct effects of these traits on grain yield indicate that keeping other variables constant, improvement of these traits will increase black cumin yield. Therefore, these traits should be kept in mind in the future breeding program of black cumin. |
| format | Article |
| id | doaj-art-d8f0c453a68848c3b5cd7f20b3fef734 |
| institution | Kabale University |
| issn | 1687-8159 1687-8167 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Agronomy |
| spelling | doaj-art-d8f0c453a68848c3b5cd7f20b3fef7342025-02-03T01:07:57ZengWileyInternational Journal of Agronomy1687-81591687-81672020-01-01202010.1155/2020/88377948837794Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest EthiopiaZigyalew Gashaw0Wosene Gebreselassie1Girma Hailemichael2Department of Horticulture, Injibara University, P.O. Box 40, Injibara, EthiopiaDepartment of Horticulture and Plant Science, Jimma University, P.O. Box 378, Jimma, EthiopiaDepartment of Horticulture and Plant Science, Jimma University, P.O. Box 378, Jimma, EthiopiaMany research works have been done on black cumin focusing on its nutritional and medicinal properties. But, there is inadequate information on the association of yield and yield-constituting traits of black cumin to improve its production. Therefore, correlation analysis was made on thirty-six black cumin accessions evaluated at Jimma in simple lattice design during 2016, to quantify the relationship between traits. The result of the analysis showed that seed yield ha−1 had positive and highly significant correlation with number of effective capsules (0.88), secondary branches (0.73), plant height (0.72), total branches (0.71), steam thickness (0.58), primary branches (0.52), tertiary branches (0.52), harvesting index (0.47), and biological yield (0.43). Path coefficient analysis revealed that harvesting index, biological yield, and number of effective capsules exerted high and favorable direct contribution to seed yield at phenotypic level, whereas harvesting index, biological yield, primary and tertiary branches, number of effective capsules, and stem thickness showed positive direct effect at genotypic level. The favorable direct effects of these traits on grain yield indicate that keeping other variables constant, improvement of these traits will increase black cumin yield. Therefore, these traits should be kept in mind in the future breeding program of black cumin.http://dx.doi.org/10.1155/2020/8837794 |
| spellingShingle | Zigyalew Gashaw Wosene Gebreselassie Girma Hailemichael Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest Ethiopia International Journal of Agronomy |
| title | Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest Ethiopia |
| title_full | Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest Ethiopia |
| title_fullStr | Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest Ethiopia |
| title_full_unstemmed | Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest Ethiopia |
| title_short | Correlation and Path Coefficient Analysis in Yield and Yield-Related Components of Black Cumin (Nigella Sativa L.) Accessions, at Jimma, Southwest Ethiopia |
| title_sort | correlation and path coefficient analysis in yield and yield related components of black cumin nigella sativa l accessions at jimma southwest ethiopia |
| url | http://dx.doi.org/10.1155/2020/8837794 |
| work_keys_str_mv | AT zigyalewgashaw correlationandpathcoefficientanalysisinyieldandyieldrelatedcomponentsofblackcuminnigellasativalaccessionsatjimmasouthwestethiopia AT wosenegebreselassie correlationandpathcoefficientanalysisinyieldandyieldrelatedcomponentsofblackcuminnigellasativalaccessionsatjimmasouthwestethiopia AT girmahailemichael correlationandpathcoefficientanalysisinyieldandyieldrelatedcomponentsofblackcuminnigellasativalaccessionsatjimmasouthwestethiopia |