Abstract
Potato is one of the most important food crops grown in mid and high altitude areas of Ethiopia. To meet the increasing demand of potato several potato genotypes have been introduced and evaluated at different areas of the country. However, the performances of different released potato varieties were not yet assessed in the study area. To this end, the present study was undertaken with the focus on determining the adaptability of Irish potato varieties for yield and yield components. It was conducted at Kaffa zone Adiyo District in Alarigeta experimental sub-station in 2013 and 2014 Belge cropping season. Seven improved potato varieties; namely Bule, Marachare, Wochecha, Dancha, Jallanie, Gudanie and Belete were used as treatment. Treatments were arranged in randomized complete block design with three replications. Average tuber diameter, average tuber number, average tuber weight, marketable tuber number, unmarketable tuber number, total tuber number, marketable tuber yield, unmarketable yield and total tuber yield data were recorded and submitted to SAS software version 9.0. Analysis of variance for each year showed significant (p<0.05) difference among the varieties for all studied traits except Average tuber diameter and marketable tuber number in 2013 and Average tuber diameter and unmarketable tuber yield in 2014. The highest and consistent tuber yield was found in variety Belete (40.54 t/ha and 39.98 t/ha) in 2013 and 2014 respectively. Therefore, variety Belete, which was given high yield in both years, could be used instated of currently cultivating varieties to increase production and productivity of the crop for better enhancement of food security and livelihood income of the locality.
Highlights
Potato (Solanum tuberosum L.)is one of the most important food crops in many countries of the world [1]
2.3 Data collection and analysis: Data were collected on yield and yield components such as average tuber diameter, average tuber number, average tuber weight, marketable tuber number, unmarketable tuber number, total tuber number, marketable tuber yield, and unmarketable tuber yield and subjected to analysis of variance using GLM model in SAS software version 9.0 statistical packages
Based on the analysis highly significant (P
Summary
Potato (Solanum tuberosum L.)is one of the most important food crops in many countries of the world [1]. In volume of production it ranks fourth in the world after maize, rice, and wheat with annual production of 314.1 million tons cultivated on about 18.1 million hectares of land [1] and among the root crops, potato ranks first in volume produced and consumed, followed by cassava, sweet potato, and yam [11]. The experiment was amid to test the adaptability and select high yielding potato variety to increase production and productivity of the crop for better improvement of food security and self sufficiency of livelihood of the area
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