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.

http://dx.doi.org/10.4038/tare.v11i0.1787

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http://dx.doi.org/10.4038/tare.v11i0.1787

Farm Management; Crop Husbandry; Agribusiness; Soil Fertility; Soil Information; Soil Health; Pests Of Plants; Plant Breeding; Plant Diseases; Livelihoods; Integrated Soil Fertility Management; Diseases Control

Bacterial Blight; Vigna Unguiculata; Cowpeas; Xanthomonas Campestris Pv; Seeds; Vignicola; Cropping Seasons; Bacterium; Soil; Plant Debris

Africa; West Africa

Nigeria