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  1. Asian Journal of Plant Pathology
  2. Vol 5 (3), 2011
  3. 126-133
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Asian Journal of Plant Pathology

Year: 2011 | Volume: 5 | Issue: 3 | Page No.: 126-133

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Authors


Taiye Hussein Aliyu

Country: Nigeria

Olusegun Samuel Balogun

Country: Nigeria

Keywords


  • Tolerance
  • cultural control strategy
  • plant population
  • crop resistance
  • farming system
  • insect vectors
Research Article

Effects of Variety and Planting Density on the Incidence of Common Viral Diseases of Cowpea (Vigna unguiculata) in a Southern Guinea Savannah Agro-ecology

Taiye Hussein Aliyu and Olusegun Samuel Balogun
Virus diseases are a limiting factor in cowpea production in all agro-ecological zones of Nigeria and yield reductions of between 80-100% have been reported. Some cowpea varieties show resistance to viruses, cultural practices such as varying plant population have been found useful in the control of these viral pathogens. Field experiments were conducted in the 2009 and 2010 cropping seasons to evaluate the effect of crop variety and varying planting density on the incidence of common viral diseases of cowpea. Vigna unguiculata (L.) Walp in the Southern guinea savannah agro-ecology of Nigeria. This is to identify tolerant varieties and an optimum planting density that could lead to lower viral incidence and high crop yields. A split-plot fitted into a randomised complete block experimental design with three replications was established with three cowpea cultivars (IT89KD-288, IAR-48 and Ife brown), in the main plots and three planting densities (25x75, 50x75 and 75x75 cm) in the sub-plots. The results of the study indicated that variety and planting density had significant effect on viral disease incidence. The lowest incidence was in variety IT89KD-288 (10.3%) while the highest was in variety IAR-48 (28.6%). The lowest mean incidence was also in plots under planting density of 25x75 cm. However, planting at a mid-level density of 50x75 cm with variety IT89KD-288 outperformed the other combinations for yields and is therefore, recommended.
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How to cite this article

Taiye Hussein Aliyu and Olusegun Samuel Balogun, 2011. Effects of Variety and Planting Density on the Incidence of Common Viral Diseases of Cowpea (Vigna unguiculata) in a Southern Guinea Savannah Agro-ecology. Asian Journal of Plant Pathology, 5: 126-133.

URL: https://scialert.net/abstract/?doi=ajppaj.2011.126.133

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Comments


Akeem kehinde Reply
26 September, 2011

I find this paper very relevant to my work.It is an interesting findind and i would like to commend the Authors and publishers.

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