Agricultural Science Digest

  • Chief EditorArvind kumar

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Agricultural Science Digest, volume 41 special issue (april 2021) : 169-174

Effect of Sowing Dates and Botanical Seed Pelleting on Plant Growth, Bulb Yield and Quality of Onion (Allium cepa L.)

Abhishek Panwar, Ashok K. Thakur, Pramod Sharma, Shivangi Negi, Cherry Nalwa, Anjay Bisht
1Department of Seed Science and Technology, Dr. Y S Parmar University of Horticulture and Forestry, Nauni-173 230, Himachal Pardesh, India.
Cite article:- Panwar Abhishek, Thakur K. Ashok, Sharma Pramod, Negi Shivangi, Nalwa Cherry, Bisht Anjay (2020). Effect of Sowing Dates and Botanical Seed Pelleting on Plant Growth, Bulb Yield and Quality of Onion (Allium cepa L.). Agricultural Science Digest. 41(2021): 169-174. doi: 10.18805/ag.D-5183.
Background: Onion (Allium cepa L.) is a major bulbous vegetable as well as condiment of family Alliaceae grown in India, originated in Iran and Pakistan. Seed pelleting is a mechanism of applying various materials to the seed that can enhance the seed quality with respect to physiological, physical and health attributes. Seed pelleting make it easy to handle small and irregular shaped seeds.
Methods: The present investigation was conducted in the field of Department of Seed Science and Technology, Dr. Y. S. Parmar University of Horticulture and Forestry, Nauni, Solan during seasons of 2016-17 and 2017-18. 
Result: This experiment comprised of pelleted seeds with different botanicals carried out to determine the effect of sowing dates and seed pelleting and their interactions on plant growth, yield and quality of bulb crop. All the factors in the experiment as well as their interactions showed significant influence on plant growth, yield and yield contributing characters in onion. The seeds pelleted with Azadirechta indica leaf powder + clay and Melia azedarach  leaf powder + clay sown directly showed maximum values w.r.t. emergence (91.50 %), plant height at 60 days after sowing (35.35 cm), average leaf length (38.43cm), number of leaves per plant (8.67), number of days to harvesting (233.49), polar diameter (46.72 mm), equatorial diameter (57.77 mm), bulb size index (2699.74 ), neck thickness (12.12 mm), number of bulb per plot (89.00) average bulb weight (75.24 g), bulb yield (6.67 kg per plot or 400.01 q per ha), plant height before neck fall stage (58.55 cm). From the present studies, it can be concluded that onion seeds pelleted with Azadirechta indica leaf powder + clay and Melia azedarach leaf powder + clay showed significant effects for enhancing bulb quality, growth, quality and yield of bulb crop raised through direct seeding.
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