International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 8, Issue:4, April, 2019

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(4): 337-345

Effect of Foliar Spray of Micronutrients and Growth Regulators on Seed Quality of Onion
Ashok1*, Basave Gowda1, S.R. Doddagoudar1, S.N. Vasudevan4, M.G. Patil2 and Arunkumar Hosamani3
1Department of Seed Science and Technology
2Department of Horticulture
3Department of Agricultural Entomology, UAS, Raichur-584 104
4ADR, Department of Seed Science and Technology, University of Agricultural Sciences, Bangalore, India
*Corresponding author

The field experiment was carried out to study the effect of foliar spray of micronutrients and growth regulators on seed quality of onion during rabi 2016-17 and 2017-18 at Seed Unit, UAS, Raichur. Foliar spray was given at 45 and 75 days after bulb planting (DAP). The seed quality parameters were recorded at Seed Unit, UAS, Raichur. From the present investigation, a significant increase in seed quality parameters were recorded with foliar spray of ZnSO4 @ 0.5 per cent viz., root length (12.92, 12.74 and 12.83 cm), shoot length (9.51, 9.59 and 9.55 cm), seedling vigour index (2026, 2049 and 2037), seedling dry weight (36.0, 36.8 and 36.4 mg), dehydrogenase enzyme activity (2.612, 2.617 and 2.615 OD value) and α-amylase enzyme activity (18.70, 19.67 and 19.18 mm) followed by GA3 @ 100 ppm over control viz., (11.38, 11.30 and 11.34 cm, 8.33, 8.87 and 8.60 cm, 1773, 1823 and 1798, 32.5, 35.3 and 33.9 mg, 2.586, 2.593 and 2.590 OD value and 18.16, 18.47 and 18.32 mm) during 2016-17, 2017-18 and pooled data, respectively. The non significant differences were observed due to influence of foliar spray of micronutrient and growth regulators on seed germination per cent and electrical conductivity.

Keywords: Onion, Seed Production, Seed quality, Growth regulators and Micronutrients

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How to cite this article:

Ashok, Basave Gowda, S.R. Doddagoudar, S.N. Vasudevan, M.G. Patil and Arunkumar Hosamani. 2019. Effect of Foliar Spray of Micronutrients and Growth Regulators on Seed Quality of Onion.Int.J.Curr.Microbiol.App.Sci. 8(4): 337-345. doi:
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