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Journal of Plant Sciences
  Year: 2008 | Volume: 3 | Issue: 2 | Page No.: 176-181
DOI: 10.3923/jps.2008.176.181
 
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Bambara Groundnut (Vigna subterranea L. Verdc.) Yield as Influenced by Phosphorus and Cultivars in the Semi-Arid Savanna of Nigeria

M.M. Ellah and A. Singh

Abstract:
Field experiments were conducted in 2002 and 2003 at the Usmanu Danfodiyo University Teaching and Research Farm, Sokoto to determine effects of phosphorus (P) on the yield of bambara groundnut cultivars. Treatment consisted of factorial combinations of two cultivars (Ex-Tangaza and Pategi black), three levels of phosphorus (0, 15 and 30 kg ha-1) and three intra-row spacing (15, 20 and 25 cm) laid out in a Randomized Complete Block Design replicated three times. Results of P and cultivar are presented in this study. Results revealed significantly (p< 0.05) higher stover yield in Ex-Tangaza than Pategi Black cultivar both in 2002 and 2003. While, kernel yield was higher in Pategi black (530.7 kg ha-1) than Ex-Tangaza (516.5 kg ha-1) in 2003 only. P had significant effect on stover yield in the two trials with higher stover yield with 30 kg P ha-1. Similar results were obtained with kernel yield in the two seasons where 30 kg P ha-1 resulted in higher kernel yield. Both the cultivars responded significantly to the applied P at both 15 and 30 kg ha-1 but higher response was obtained with Pategi black than Ex-Tangaza. Therefore, in this study, it was concluded that Ex-Tanzaga may be used for stover yield while, Pategi black would be better for kernel yield in the semiarid tropic of Nigeria. Application 30 kg P ha-1 (382 kg SSP ha-1) gave highest yield with both cultivars. Further yield increment could be obtained by increasing the P levels from 30 kg upwards.
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How to cite this article:

M.M. Ellah and A. Singh, 2008. Bambara Groundnut (Vigna subterranea L. Verdc.) Yield as Influenced by Phosphorus and Cultivars in the Semi-Arid Savanna of Nigeria. Journal of Plant Sciences, 3: 176-181.

DOI: 10.3923/jps.2008.176.181

URL: https://scialert.net/abstract/?doi=jps.2008.176.181

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