University of Khartoum

Evaluation of Ten Cowpea (Vigna unguiculata L.) Accessions for Growth and Yield Parameters

Evaluation of Ten Cowpea (Vigna unguiculata L.) Accessions for Growth and Yield Parameters

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Title: Evaluation of Ten Cowpea (Vigna unguiculata L.) Accessions for Growth and Yield Parameters
Author: Khalil, Fatima Eltom Mohammed
Abstract: The objective of the study was to evaluate ten accessions of cowpea (Vigna unguiculata L.) for growth and yield parameters. These accessions were grown at the Demonstration Farm, Faculty of Agriculture, Shambat in a randomized complete block design with three replications for one season (2012/2013).Data were collected on a number of traits, namely: phenological traits(days to flowering and days to physiological maturity), growth parameters(plant height, number of branches/plant and number of leaves/plant and pod length)and yield parameters (number of pods/plant, number of seeds/pod, 100-seed weight, yield/plant and yield/ha). Analysis of variance was carried out for the collected data and the coefficient of variation and the Least Significant Difference were estimated. All of the studied traits showed significant differences among the accessions as indicated by wide ranges in the mean values of the traits. Among the studied accessions, HSD2976was the earliest accession to mature followed by HSD5131; however, HSD5674 was the latest accession to mature. Although it was late maturing, HSD5674 gave the highest number of leaves/plant and number of branches/ plant. Generally, spreading accessions (HSD5130, HSD5132 and HSD5670) gave the lowest yield/ha, the highest 100-seed weight compared to the erect and semi-erect accessions. Accession HSD2976 exhibited the highest number of pods/plant and the highest seed yield/plant and seed yield/ha followed by the accessions HSD5672, HSD2966 and HSD5674. Based on the results obtained in this study, the IX following could be concluded: there are great variations among the cowpea accessions, which could be utilized for the improvement of growth and yield parameters of cowpea. Some of the accessions such as HSD2976, HSD5672, HSD2966 and HSD5674 are of high yield potential and could be used for further investigations. Further investigations in crop husbandry are needed to explore the performance potential of the studied accessions.
Description: 61 page
URI: http://khartoumspace.uofk.edu/123456789/26602


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