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Pakistan Journal of Biological Sciences
Year: 2013  |  Volume: 16  |  Issue: 20  |  Page No.: 1220 - 1222

Germination Studies in Some Varieties of Vigna unguiculata L. Walp. (Cowpea) from Northern Nigeria

B.Y. Wada and B.Y. Abubakar    

Abstract: Unpredictable climate change is already having a profound effect on our agricultural crops thus, the need to have periodic data base on their physiology. The consequences of the change is becoming more wide spread affecting all component of our ecosystem including the vegetable species. The present studies was carried out to study cowpea seed germination and seedling establishment of seven varieties (Sampea-5, Sampea-6, Sampea-7, Sampea-8, Sampea-9, Sampea-10 and Sampea-12) in the laboratory and botanical garden of the Department of Biological Sciences, Ahmadu Bello University Zaria-Nigeria. Cowpea is used to substitute the insufficient expensive animal protein in the diet of many people in Nigeria either directly or in other preparation. Water absorption rate of cowpea seeds during imbibitions were determined after 30 min of soaking in water. Significant difference were found among Sampea-5, Sampea-7, Sampea-8, Sampea-10 and Sampea-12 while there was no significant difference between Sampea-6 and Sampea-7 in terms of water absorption rate. Mean comparison showed that the highest germination percentage (100%), seedling weight change (1.52 g), shoot length (25.81 cm), root length (23.12 cm) was observed. Based on this result, the analysis of variance (ANOVA) showed significant difference in the rate of imbibitions as well as shoots and root length exist in the seven cowpea varieties.

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