Abstract
A majority of agricultural activities are conducted under fragile lands or set-up. The growth and development of crops are negatively affected due to several biotic and abiotic stresses. In the current situation, research efforts have been diverted toward the short-term approaches that can improve crop performance under changing environments. Seed treatment or priming technology is in a transition phase of its popularity among resource-poor farmers. Suitable policy intervention can boost low-cost techniques to implement them on a larger scale in developing countries and to harness the maximum benefits of sustainable food production systems. Primed seeds have high vigor and germination rate that help in seedling growth and successful crop stand establishment under stress conditions. This review is attempted to assess different seed priming techniques in terms of resource use efficiency, crop productivity, cost–benefit balance, and environmental impacts. Moreover, a comprehensive study of the mechanisms (physiological and biochemical) of seed priming is also elaborated. A detailed examination of the applications of priming technology under diverse agroecosystems can improve our understanding of the adaptive management of natural resources.
Highlights
60% of the Indian population relies upon agriculture and its associated sectors for their livelihood
Loss of soil fertility is accompanied by decreased soil aggregation, water-holding capacity (WHC), biodiversity and crop stress tolerance (Sergaki et al, 2018)
The results showed that in primed treatments, germination percentage, radical length, seedling height, dry weight, no. of leaves per plant, and sodium and potassium contents in plants were significantly found high as compared with those in control even under saline stress conditions
Summary
60% of the Indian population relies upon agriculture and its associated sectors for their livelihood. Loss of soil fertility is accompanied by decreased soil aggregation, water-holding capacity (WHC), biodiversity and crop stress tolerance (Sergaki et al, 2018) To minimize these impaired effects of climate change and agrochemicals on soils, agriculture and environment, switching to the integration of fertilizers and naturally available resources that sustain environment and restore nutrients naturally through supporting internal cycling and assuring harmony of ecosystem is an appropriate practice to restore the quality of degraded systems (Singh and Reddy, 2011; Dubey et al, 2021a,b). Halopriming stimulates the crop to raise robust even under soil salinity This is a common observation in hydropriming that due to the high water potential of pure water entry to seed is very fast, which allows abrupt seed imbibition, which may not be congenial for germination metabolic activation and cell elongation under diverse agro-ecologies.
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