Evaluation of onion (Allium cepa L.) accessions for yield attributes and yield for central Uttar Pradesh

Abstract

The soil of the experimental field was sandy loam texture having pH of 7.3. Soil is moderately fertile being low in available organic carbon (0.34%) and medium in available nitrogen (172 kg N ha -1 ), available phosphorus (13.8 kg N ha -1 ) and available potash (182 kg N ha -1 ). Experiment was laid out in randomized complete block design (RCBD) replicated thrice with thirteen different onion accessions as treatments viz. KLO-1, KLO-2, KLO-3, KLO-4, KLO-5, KLO-6, KLO-7, KLO-8, KLO-9, KLO-10, KLO-11 with two checks i.e. Bhima Shakti (C) and Agrifound Light Red (C). The results showed that Polar diameter (cm) and Equatorial diameter (cm) was found highest in KLO-3. Neck thickness (cm) was recorded maximum in Bhima Shakti. KLO-9 observed maximum A-grade bulbs percentage, Bolter bulbs (%) and Double bulbs (%). Maximum B-grade bulbs percentage was recorded by KLO-8 where as KLO-4 recorded maximum C-grade bulbs percentage. Maximum Average bulb weight (g), Total yield (q/ha) and Marketable yield (q/ha) was recorded in KLO-6.