K. VARALAKSHMI* and S. NEELIMA (2021) “HETEROSIS FOR PHYSIOLOGICAL TRAITS IN SUNFLOWER (Helianthus annuus L.)”, The Journal of Research ANGRAU, 49(3), pp. 115–122. Available at: https://epubs.icar.org.in/index.php/TJRA/article/view/133564 (Accessed: 1 August 2026).