Impact of transplanting dates, cultivars and zinc on performance of onion (Allium cepa)

GULAB CHOUDHARY; L N BAIRWA; O P GARHWAL; P K KASWAN; RAJESH CHOUDHARY; M L CHOPRA; MANJU NETWAL

doi:10.56093/ijas.v93i10.132791

Authors

GULAB CHOUDHARY Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan 303 329, India
L N BAIRWA Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan
O P GARHWAL Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan
P K KASWAN Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan 303 329, India
RAJESH CHOUDHARY Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan 303 329, India
M L CHOPRA Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan 303 329, India
MANJU NETWAL College of Agriculture (Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan), Kishangarh Bas, Alwar, Rajasthan

https://doi.org/10.56093/ijas.v93i10.132791

Keywords:

Cultivars, Growth, Transplanting dates, Yield, Zinc

Abstract

An experiment was conducted during winter (rabi) seasons of 2020–21 and 2021–22 at Horticulture farm of Sri Karan Narendra Agriculture University, Jobner, Jaipur, Rajasthan to determine the effect of transplanting date, cultivar and zinc application method on growth, yield and quality of onion (Allium cepa L.). Experiment was conducted in split-plot design and replicated thrice. The treatments consist of 2 transplanting dates, viz. 10^th December and 01^st January; and 3 cultivars, viz. RO-01, RO-59 and Bhima Shakti were kept in main plot; and in sub- plots, 4 methods of zinc application, viz. control, soil application of ZnSO₄ @25 kg/ha, dipping of onion seedlings in zinc solubilizer solution before transplanting and foliage spray of ZnSO₄ @0.5% at 30 and 45 days after transplanting were kept. Significantly higher plant growth, bulb yield (416.8, 358.0 and 387.4 q/ha) and quality of onion were recorded in 01^st January transplanting date. Among the cultivars, significantly higher plant growth, bulb yield (417.5, 358.4 and 388.0 q/ha) and quality of onion were recorded in Bhima Shakti but these parameters were at par with RO-59. In zinc application methods, significantly higher plant growth, bulb yield (41.5, 35.8 and 38.7 t/ha) and quality of onion were noticed under foliar application of ZnSO₄ @0.5% but these were found at par with soil application of ZnSO₄. Thus, the conclusion of findings was that the transplanting of Bhima Shakti cultivar on 01^st January and with foliar application of ZnSO₄ @0.5% had the potential effect to increase onion performance.

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