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Journal of Plant Sciences
  Year: 2007 | Volume: 2 | Issue: 6 | Page No.: 583-591
DOI: 10.3923/jps.2007.583.591
 
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Variety and Phosphate Rock Effects on Yield and Yield Components of Cowpea [Vigna unguiculata (L.) Walp.]

L.S. Aliyu, A. Singh, M.D. Magaji and M.S. Umar

Abstract:
Field experiments were conducted in 2004 and 2005 rainy seasons to determine the effects of Phosphate Rock (PR) levels and variety on growth and yield of cowpea varieties. Treatments consisted of factorial combinations of two varieties (Baadare and IAR 48) and three levels of phosphate rock (25, 50 and 75 kg ha-1) along with a control (0 kg PR ha-1) laid out in a randomized complete block design replicated three times. Results showed that, at 0 kg PR ha-1 (control) the two varieties had similar performance in all the parameters measured. But application of PR resulted in significant (p<0.01) response compared to control in most parameters studied. Application of 50 and 75 kg PR ha-1 resulted in significant increase in pods yield and number of pods plant-1 in 2004 trial, while shelling percentage, grain and stover yields, 1000 grain weight, number of seeds plant-1 and harvest index were not significantly influenced by PR levels. Significantly (p<0.05) higher pods yield, shelling percentage, grain and stover yields, 1000 grain wt. number of pods plant-1 and number of seeds plant-1 were observed with Baadare (local) than with IAR-48 (improved) but higher harvest index was observed with IAR 48. Therefore, from this study it was concluded that, application of 25 kg PR ha-1 was adequate for cowpea production and Baadara (local) variety was suitable for Sudan savanna zone.
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How to cite this article:

L.S. Aliyu, A. Singh, M.D. Magaji and M.S. Umar, 2007. Variety and Phosphate Rock Effects on Yield and Yield Components of Cowpea [Vigna unguiculata (L.) Walp.]. Journal of Plant Sciences, 2: 583-591.

DOI: 10.3923/jps.2007.583.591

URL: https://scialert.net/abstract/?doi=jps.2007.583.591

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