Enhancing Okra Productivity Through Seed Priming
Agricultural researchers at Agriculture and Forestry University in Nepal have made a groundbreaking discovery that could significantly improve okra yields. The study, led by Mandeep Thapa, found that seed priming with gibberellic acid (GA3) at 100 ppm concentration enhanced germination, growth, and yield of okra plants. This technique, which involves soaking seeds in a solution before planting, has been found to be an effective, eco-friendly, and practical method for promoting germination.
Key Takeaways:
- The study was conducted in Chitwan, Nepal, from March to July 2024, and involved a randomized complete block design with four replications and five different treatments.
- The study found that GA3 priming at 100 ppm significantly increased germination percentage (90%), plant height, leaf canopy diameter, fruit number per plant, and fruit weight per plot.
- GA3 priming also resulted in a significant rise in maximum yield (1.41 t/ha), compared to the control treatment.
- The study concluded that seed priming with GA3 is recommended for okra production in Rampur, Chitwan, Nepal.
- The research was published in the Turkish Journal of Agriculture: Food Science and Technology, Vol. 13, No. 7, pp. 1759-1765, 2025.
Statistics:
- Germination percentage of GA3-treated seeds: 90%
- Plant height at 30 DAS (days after sowing) for GA3-treated seeds: 17.50 cm
- Plant height at 45 DAS for GA3-treated seeds: 39.81 cm
- Leaf canopy diameter at 45 DAS for GA3-treated seeds: 69.68 cm
- Fruit number per plant for GA3-treated seeds: 9.15
- Maximum yield for GA3-treated seeds: 1.41 t/ha
Sources:
- Enhancing Okra Productivity Through Seed Priming: Insights from Chitwan, Nepal. Turkish Journal of Agriculture: Food Science and Technology, 2025, 13(7):1759-1765. (Turkish Journal of Agriculture: Food Science and Technology - http://agrifoodscience.com/index.php/TURJAF/index)
- Agriculture and Forestry University, Faculty of Agriculture, Post Code 44200, Bharatpur, Nepal.