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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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

Int.J.Curr.Microbiol.App.Sci.2021.10(3): 875-884
DOI: https://doi.org/10.20546/ijcmas.2021.1003.110


Performance of Plant Growth Hormones on Yield Characteristics of Alfalfa (Medicago sativa L.) under Northern Dry Zone of Karnataka
P. Manju Prasada1*, V. P. Singh2, Y. C. Vishwanath1, S. M. Prasanna3, Vijayamahantesh4, Jameel Jhalegar5 and Vijayakumar B. Narayanpur1
1Department of Plantation, Spices, Medicinal and Aromatic Crops, 3Department of Soil Science, 5Department of Post Harvest Technology, College of Horticulture, Bagalkote, India
2Department of Plantation, Spices, Medicinal and Aromatic Crops, College of Horticulture, Bidar, India
4Department of Agronomy, KRCCH, Arabhavi, India
*Corresponding author
Abstract:

Alfalfa is an important medicinal plant having stachydrine as alkaloid and used as laxative, digestive, diuretic and treating for dropsy, blood pressure, hair loss, acidity and arthritis. Present investigation was carried out during rabi season 2019-20, Dept. of PMA, College of Horticulture, Bagalkote with the objective to study the effect of plant growth hormones on yield characteristics of Alfalfa (Medicago sativa L.) under Northern dry Zone of Karnataka. In this experiment, the growth hormones viz., GA3 (50 ppm and 100 ppm), IAA (50 ppm and 100 ppm), NAA (50 ppm and100 ppm), Kinetin (50 ppm and 100 ppm), Humic acid (4.0ml/l and 6.0ml/l), Salicylic acid (1.5 g/l and 3 g/l) and water as control were sprayed at 30, 60, 90 and 120 days after sowing and analysed for yield parameters. Among different growth hormones, the plants sprayed with GA3 at 100 ppm showed significantly highest fresh leaves weight (41.17, 46.77, 36.20 and 27.67 g/plant), fresh stem weight (33.03, 33.51, 24.27 and 22.40 g/plant),  fresh herbage yield per hectare (16.59, 17.73, 13.43 and 11.12t/ha), highest dry leaves weight (8.52, 9.71, 7.97 and 7.32 g/plant), stem dry weight (8.98, 9.57, 8.71, 8.09 g/plant) and dry herbage yield (4.01, 4.15, 3.70 and 3.42t/ha) at I, II, III and IV harvest i.e. on 50, 80, 110 and 140 DAS, respectively. It is concluded that foliar application of plant growth regulators at different intervals significantly increased the alfalfa yield as compared to control. This study specified that, among different growth regulators, the plants sprayed withGA3 at 100 ppm showed better results for yield attributes of alfalfa.


Keywords: Alfalfa, Plant growth hormones, GA3, Yield attributes
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How to cite this article:

Manju Prasada, D. P., V. P. Singh, Y. C. Vishwanath, S. M. Prasanna, Vijayamahantesh, Jameel Jhalegar and Vijayakumar B. Narayanpur. 2021. Performance of Plant Growth Hormones on Yield Characteristics of Alfalfa (Medicago sativa L.) under Northern Dry Zone of Karnataka.Int.J.Curr.Microbiol.App.Sci. 10(3): 875-884. doi: https://doi.org/10.20546/ijcmas.2021.1003.110