Journal of Environmental Biology

Advanced seed invigoration technologies in okra (Abelmoschus esculentus L. Moench)

P. Kaviyarasu¹, K. Sujatha¹, P. Murugesan²*, V. Alex albert¹, T. Ragavan³, G. Anand⁴ and R. Elamparithi¹     

¹Department of Seed Science and Technology, Agricultural College and Research Institute (Tamil Nadu Agricultural University), Madurai - 625 104, India

²Division of Crop Improvement, ICAR- Central Tuber Crop Research Institute, Thiruvananthapuram-695 017, India

³Department of Agronomy, Agricultural College and Research Institute (Tamil Nadu Agricultural University), Madurai - 625 104, India

⁴ICAR - KVK, Agricultural College and Research Institute (Tamil Nadu Agricultural University), Madurai-625 104, India

Received: 12 March 2024                   Revised: 29 May 2024                   Accepted: 01 October 2024

*Corresponding Author Email : P.Murugesan@icar.gov.in                  *ORCiD: https://orcid.org/0000-0001-6400-1991

Abstract

Okra is one of the important warm season vegetables widely cultivated for its tender green fruits and has huge potential for foreign exchange and commercial trade. It is propagated through botanical seeds. Non-availability of quality seeds, poor storability due to oil content, hard seed, slow and uneven germination are the important causes of low productivity of okra. To overcome the above problems, cost effective seed invigoration treatments are recommended in commercial seed production centers.

Currently “Seed enhancement Technologies” is gaining attention to improve seed vigour and enhance planting value of crop plants. This research review provides insights into various seed quality enhancement treatments viz., seed priming, physical treatment, seed coating, seed pelleting and other novel treatments namely; nanotechnology and plasma treatments are discussed for adoption of seed treatments to enhance seedling vigour, boost crop production and productivity. Among different methods reported seed priming is adjusted as most economical and trending technique which is considered as climate resilient in terms of biotic and abiotic stress conditions.

Key words: Climate resilient, Crop productivity, Okra, Seed invigoration, Seed quality

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