Dadlani M, Varier A, Mathur R. Maintenance of seed vigour and viability in sunflower (Helianthus annuus) hybrids and inbreds. Indian J Agri Sci. 2012;65(12). Accessed October 24, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/19159