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Performance of plant growth hormones on yield characteristics of alfalfa (Medicago sativa L.) under northern dry zone of Karnataka

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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. | Int.J.Curr.Microbiol.App.Sci 2021 10 03 875-884 International Journal of Current Microbiology and Applied Sciences ISSN 2319-7706 Volume 10 Number 03 2021 Journal homepage http www.ijcmas.com Original Research Article 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 D. P. Manju Prasada1 V. P. Singh2 Y. C. Vishwanath1 S. M. Prasanna3 Vijayamahantesh4 Jameel Jhalegar5 and Vijayakumar B. Narayanpur1 1 Department of Plantation Spices Medicinal and Aromatic Crops 3Department of Soil Science 5Department of Post Harvest Technology College of Horticulture Bagalkote India 2 Department of Plantation Spices Medicinal and Aromatic Crops College of Horticulture Bidar India 4 Department 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 Keywords on yield characteristics of Alfalfa Medicago sativa L. under Northern dry Zone of Alfalfa Plant Karnataka. In this experiment the growth hormones viz. GA3 50 ppm and 100 ppm IAA growth hormones 50 ppm and 100 ppm NAA 50 ppm and100 ppm Kinetin 50 ppm and 100 ppm GA3 Yield Humic acid 4.0ml l and 6.0ml l Salicylic acid 1.5 g l and 3 g l and water as control attributes 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 Article Info 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 Accepted 16.59 17.73 13.43 and 11.12t ha highest dry