Abstract

Onion varieties were evaluated for adaptability to the climatic conditions in South Ari woreda. Three varieties of onion were planted under a complete randomized block design experiment with three replications at research field in Jinka Agricultural research Center (South Ari woreda of South Omo zone SNNPRS of Ethiopia). The quantitative data on bulb yield, plant height, bulb size and number of leaves of onion varieties were collected. All the varieties were harvested at their maturity (90% tops down) and then weighed. Statistical methods were used for data analysis where by analysis of variance was applied. It was concluded that the three varieties (treatment) combinations, namely Adama red, Nasick red and contribute similarly to the total yield, plant height, number of leaves and bulb size. The variety local was the best onion variety as it produced the highest bulb yield of 3.3167 kg/plot numerically. Based on varietal characteristics of relative bulb size, good yield, easy availability of seeds and cheaper price of seeds in the local market, we recommend farmers to use local variety followed by Nasick red and Adama red therefore, government should promote these onion varieties for cultivation in South Ari especially for jinka and its vicinity. Government can import to ensure the availability of Local and Nasick red varieties so that farmers can be motivated for adoption of these varieties for commercial production. The effects of different planting dates on the yield of onion varieties can be considered for future research.

Highlights

  • Introduction(2n=2x=16).Its belongs to family Alliaceae, an important group of crops worldwide [3]

  • Analysis of variance was conducted to examine whether the three onion varieties differ significantly for their total yield, plant height, number of leaves and bulb size

  • The results indicated that all three onion varieties were not statistically significantly different from each other for their bulb yield but, the variety local was the best onion variety as it produced the highest bulb yield of 3.3167kg/plot numerically

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Summary

Introduction

(2n=2x=16).Its belongs to family Alliaceae, an important group of crops worldwide [3] It is one of the oldest bulb vegetables in continuous cultivation dating back to at least 4000 BC [2,4].It is probably native of South Asia or Mediterranean region. All the plant parts are edible, but the bulbs and the lower stems sections are the most popular as seasonings or as vegetables in stews. It is recently introduced crop and rapidly becoming popular among producers and consumers. It is widely produced by small farmers and commercial growers throughout the year for local use and export market [7]

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