Abstract

Aim: Onions, (Allium cepa L.) is one of the highly significant bulbs crops extensively cultivated in India. The investigation entitled “Evaluation of different genotypes of Late Kharif Onion (Allium Cepa L.) under the Gangetic plains of West Bengal”is aimed at suggesting the more locally suitable genotypes to the farmer as well as the researchers.
 Study Design: The experiment was conducted in randomized block design (RBD) with seven genotypes and they were randomized in three replications. This Experiment deals with seven different late kharif onion genotypes which consist of viz. Bhima Shakti, Bhima Kiran, Bhima Raj, DOGR-1605, NHRDF-Red-2, DOGR-1606 and PRO-7.
 Place and Duration of Study: The research investigation was conducted at C-Block farm, Bidhan Chandra Krishi Viswavidyalaya, Kalyani, Nadia, West Bengal during the year 2022- 2023.
 Methodology: 30 days old seedlings were transplanted at 15 cm between lines and 10 cm within it. All other intercultural operations were done as and when necessary. Harvesting of bulbs was done at maturity stage. Biometrical observations and yield attributing characters were recorded from randomly selected 10 plants from each replication and the quality parameters were evaluated from randomly selected 5 plants.
 Results: From the present investigation it was found that the late kharif onion genotype Bhima Shakti emerged with the highest yield (285.80 q-ha) but in terms of other quality parameters the genotype NHRDF-Red-2 found quite good in TSS (14.12 ̊ B) and pyruvic acid content of (6.24 µmol-g), whereas genotypes Bhima Raj, exhibits lowest total sugar of (2.40 %) and reducing sugar of (2.13%).
 Conclusion: Although from the above experiment it may be concluded that in case of late kharif onion genotypes the genotypes Bhima Shakti, Bhima Raj and NHRDF-Red-2 performed well.

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