EFFECT OF DIFFERENT IRRIGATION METHODS AND WITHDRAWAL OF IRRIGATION ON POST-HARVEST ATTRIBUTES OF ONION (Allium cepa L.)

G.A. BRAMHANE¹*, D.D. KHEDKAR², M.S. MANE³, K.D. KALE⁴, N.J. DANAWALE^5
1Inter Faculty Department of Irrigation Water Management, Post Graduate Institute, Mahatma Phule Krishi Vidyapeeth, Rahuri, 413 722, Maharashtra, India
²Inter Faculty Department of Irrigation Water Management, Post Graduate Institute, Mahatma Phule Krishi Vidyapeeth, Rahuri, 413 722, Maharashtra, India
³Inter Faculty Department of Irrigation Water Management, Post Graduate Institute, Mahatma Phule Krishi Vidyapeeth, Rahuri, 413 722, Maharashtra, India
⁴Inter Faculty Department of Irrigation Water Management, Post Graduate Institute, Mahatma Phule Krishi Vidyapeeth, Rahuri, 413 722, Maharashtra, India
⁵Department of Agronomy, Post Graduate Institute, Mahatma Phule Krishi Vidyapeeth, Rahuri, 413 722, Maharashtra, India
* Corresponding Author : gauravbramhane9@gmail.com

Received : 03-11-2022     Accepted : 28-11-2022     Published : 30-11-2022
Volume : 14     Issue : 11       Pages : 11926 - 11930
Int J Agr Sci 14.11 (2022):11926-11930

Keywords : Onion, Irrigation Methods, Withdrawal of Irrigation, Post-harvest Attributes, Storage losses
Academic Editor : Dr Hemangi Mehta
Conflict of Interest : None declared
Acknowledgements/Funding : Authors are thankful to Inter Faculty Department of Irrigation Water Management, Post Graduate Institute, Mahatma Phule Krishi Vidyapeeth, Rahuri, 413 722, Maharashtra, India and Department of Agronomy, Mahatma Phule Krishi Vidyapeeth, Rahuri, 413 722, Maharashtra, India
Author Contribution : All authors equally contributed

The field experiment was conducted at Instructional Research Farm of Inter faculty Department of Irrigation Water Management, Post Graduate Institute, Mahatma Phule Krishi Vidyapeeth, Rahuri during rabi season of 2019- 2020 to study the effect of different irrigation methods and withdrawal of irrigation on post-harvest attributes of onion (Allium cepa L.). The experiment was carried out in factorial randomized block design with 4 replications. The treatments include combinations of three irrigation methods viz., micro sprinkler, drip and surface irrigation, and three withdrawal timing viz., 2 week, 3 weeks, and 4 weeks before harvest. Results showed that the post-harvest attributes viz., polar and equatorial diameter of bulb differ significantly under different irrigation methods and withdrawal of irrigation. Polar diameter (4.67 cm) and equatorial diameter (6.56 cm) of onion was maximum in micro sprinkler irrigation followed by drip irrigation and surface irrigation. Whereas, among the withdrawal of irrigation, polar diameter (4.59 cm) and equatorial diameter (6.48 cm) was maximum in withdrawal of irrigation 3 weeks before harvesting, followed by 2 weeks before harvesting and 4 weeks before harvesting. The storage losses were minimum in drip irrigation (23.95%) and it was found maximum in micro sprinkler irrigation (44.26%). Whereas, among the withdrawal of irrigation, minimum storage losses were found in withdrawal of irrigation 4 weeks before harvesting (31.84%) and it was maximum in withdrawal of irrigation 2 weeks before harvesting (39.10%)

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