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Survival of Xanthomonas campestris pv. Vignicola in infested soil, cowpea seed and cowpea debris

Authors:

RU Okechukwu ,

International Institute of Tropical Agriculture, Ibadan, NG
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EJA Ekpo

Crop Protection and Environmental Biology, University of Ibadan, NG
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Abstract

Field and laboratory experiments were conducted in the Sudan savanna site of IITA's experimental Station, Minjibir, Kano State, to study the survival of Xanthomonas campestris pv. vignicola in infested soil, cowpea seed, and debris. The experiment was conducted in a randomised complete block design with five cowpea varieties over three cropping seasons (from 1996 to 1998). The results showed that the bacterium survived in infected plant debris, seed, and soil but after 8 months off-cropping season, the bacterium was not recovered from the soil. This implies that seeds and plant debris are the major means by which X. campestris pv. vignicola survives through seasons.

Key words: Bacterial blight; Vigna unguiculata; Cowpea; Xanthomonas campestris pv. Vignicola

DOI: 10.4038/tare.v11i0.1787

Tropical Agricultural Research and Extension Vol.11 2008 pp.45-48

How to Cite: Okechukwu, R. & Ekpo, E., (2010). Survival of Xanthomonas campestris pv. Vignicola in infested soil, cowpea seed and cowpea debris. Tropical Agricultural Research and Extension. 11, pp.45–48. DOI: http://doi.org/10.4038/tare.v11i0.1787
Published on 19 Apr 2010.
Peer Reviewed

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