Evaluation and Selection of Newly Released Potato Varieties(Solanum tubresum) at West Hararghe Zone East Ethiopia

Gezahegn Assefa


The study was conducted at Oda bultum and Mechara on station in 2013 - 2014 cropping season to identified diseases resistance, high yielding and disease/ insect pest resistant /tolerant potato varieties to the studied area, Four Irish potato varieties, Gudanne (standard check), Bubu, Toluma and Bete were used as a material. The trial was laid out RCB design with three replication the tuber was sown at spacing of 75cm x 30cm between rows and plants respectively from analyzed result showed that Bubu and Gudane varieties were the highest mean of plant height 83.9cm followed by 83.5cm respectively, at marketable yield, differed significance found among varieties p<0.05 and 32.1 tone/ha and 27.3ton ha-1 found at Gudane followed by Bubu variety respectively. Toluma and Gudane varieties were the highest mean of unmarketable yield at 3.0 ton ha-1 and 0.1986 ton/ha-1 respectively. on disease reaction, Toluma was the highest susceptible to disease, At total yield significance difference found among varieties and Gudane and Bubu varieties were the highest mean of total yield with 34.0ton ha-1 and 30.05ton ha-1 respectively. in generally Gudane was continued as seed material for the area.

Keywords: Irish potato, solanum tubresum L, marketable yield, disease, varieties.

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ISSN (Paper)2224-6088 ISSN (Online)2225-0557

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