HETEROTIC EFFECT OF TOMATO (Lycopersicon lycopersicum (L.) H. Karst) VARIETIES SUSCEPTIBLE TO ROOT-KNOT NEMATODE (MELOIDOGYNE SPP) IN SUDAN SAVANNA ZONE OF NIGERIA. FUDMAJAAT. 2022;7(1):72-79. Accessed February 9, 2026. https://jaat.fudutsinma.edu.ng/index.php/jaat/article/view/11