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Evaluating the performance of improved sweet potato (Ipomoea batatas L. Lam) advanced lines in Kano, Sudan savanna of Nigeria

S. U. Yahaya, A. M. Saad, S. G. Mohammed, S. O. Afuape

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Int. J. Agron. Agri. Res.7(4), 52-60, October 2015

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IJAAR 2015 [Generate Certificate]

Abstract

Field trials were conducted in the 2014 rainy season at the Teaching and Research Farm of Bayero University, Kano (11°58’N and 8°25’E) and Agricultural Research Station Farm, Minjibir (12°11’N and 8°32’E). The objective of the study wasto evaluate the performance of improved sweetpotato lines with a view to identify those that may be adaptable with high yielding potential in the study area.The treatments consisted of 16 sweetpotato advanced lines: Centennial, AYT/08/055, TIS8164, TIS87/0087, NRSP12/097, UMUSPO/2, UMOSPO/1, SOLOMON-1, EA/11/022, EA/11/025, EA/11/003, UM/11/015, NRSP/12/095, UM/11/001, UM/11/022, and a local check (Kantayiidda). These were laid out in a Randomized complete block design with 3 replications. Significant differences were observed in number of roots per plant, number of marketable roots, number of pencil roots, flesh colour, root shape and root yield. Kantayiidda produced significantly (p<0.05) higher root yield (10315kg/Ha) than all other lines. Solomon-1, Umuspo/1, EA/11/022, UM/11/001 and TIS87/0087 were found to be promising among the advanced lines evaluated; thus could relatively compete with Kantayiidda local for adaptation and high root yield in the study area.

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Evaluating the performance of improved sweet potato (Ipomoea batatas L. Lam) advanced lines in Kano, Sudan savanna of Nigeria

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