Influence of Growth Promoters on Seed Yield and Quality in Sesamum (Sesamum indicum L.)
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Authors
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KAVYASHREE G
Department of Seed Science and Technology, CoA, UAS, GKVK, Bengaluru, Karnataka-560065, India
Author
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PARASHIVAMURTHY
Department of Seed Science and Technology, CoA, UAS, GKVK, Bengaluru, Karnataka-560065, India
Author
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BN RADHA
Department of Seed Science and Technology, CoA, UAS, GKVK, Bengaluru, Karnataka-560065, India
Author
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MS HARISH
Seed Science and Technology, CCS HAU, CoA, Bawal, Haryana-123501, India
Author
Keywords:
Growth promoters, Seed yield, Seed qualityAbstract
India being the world’s largest producer of sesamum, struggles with low yields due to rainfed farming and underdeveloped practices. Sesamum, valued for its high-quality oil and adaptability holds significant potential for productivity improvement. The use of growth promoters plays a crucial role in enhancing crop productivity and quality by influencing key physiological processes in plants. This study evaluated the impact of growth promoters on the growth, seed yield and quality of sesamum cv. GKVK S-1 using an RCBD design with foliar sprays of various growth promoters such as NAA, ascorbic acid, IAA and benzyl adenine. The results revealed that, application of NAA at 100 ppm significantly enhanced the plant height at 40,60,90 DAS and at harvest (45.77 cm, 87.31 cm, 112.55 cm and 118.73 cm), number of branches per plant 40,60,90 DAS and at harvest (4.10, 6.30,7.30 & 7.89), Number of capsules at 60,90 DAS and at harvest (48.40,93.00 & 94.22) seed yield per plant (g), per plot (g) and seed yield (4.01, 1278 & 631.47 kg/ha), seed germination (93.67%), seedling vigour indices I and II (1006 and 390 respectively) and total soluble proteins, oil content and lipase activity (21.83%, 55.04%, 0.33 meq/min/g). This Indicates the efficacy of growth promoters in optimizing physiological and biochemical attributes of sesamum seeds. The study concluded that applying NAA at 100 ppm significantly improved the growth, seed yield and quality of sesamum cv. GKVK S-1.
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