Background and Objective: Gibberellic acid promotes the growth and elongation of plant cells, making it an important plant growth regulator. The objective of this field experiment was to determine the optimal quantity of gibberellic acid (GA3) to increase seed yield and oil content of sesame (Sesamum indicum L.), as well as improve nitrogen, phosphorus and potassium uptake. Materials and Methods: The replicated pot experiment included foliar application of GA3 at six rates; control (0), 25, 50, 75, 100 and 150 ppm. Application of GA3 at 100 ppm at 25 and 35 days after sowing increased overall plant growth indicators, including plant height, number of leaves and biomass of sesame. Results: At 100 ppm GA3, there was a significant (p3 at 100 ppm increased sesame yield by 1.4 times with compared to the control and significantly (pConclusion: Spraying 100 ppm GA3 helps sesame plant to produce more the number of seeds per pod and seed weight per plant. Spraying GA3 at a proper concentration increased sesame yield and oil content.
Tạp chí khoa học Trường Đại học Cần Thơ
Lầu 4, Nhà Điều Hành, Khu II, đường 3/2, P. Xuân Khánh, Q. Ninh Kiều, TP. Cần Thơ
Điện thoại: (0292) 3 872 157; Email: tapchidhct@ctu.edu.vn
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