Jeevan Kumar SP, Rajendra Prasad S, Madan Kumar, Chandu Singh, Sinha AK and Avinash Pathak
Seed is a basic input for agriculture productivity and germplasm conservation. Seed quality predominantly comprises of germination and vigour which are quintessential for successful stand establishment. On the other hand, seed industries are thriving to improve the crop yield through control of seed vigour. Possibilities of seed vigour could be improved by seed priming and post-harvest processing. So far, during seed production at a commercial scale, maturity used to monitor visually which necessitates the expertise of growers. It is the need of the hour to develop markers that aid in identifying optimum harvest time. Markers could be developed by clearly understanding the physiological, biochemical, molecular mechanisms involved in seed quality (germination and vigour). From the recent studies, several promising markers such as cell cycle markers, electrolyte leakage, ethylene production, sugar metabolism, proteins, antioxidants and telomeres have been suggested as reliable markers to monitor the seed quality process. Such markers not only help to identify the seedling stages but also facilitate a better understanding of seed priming treatments.
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