HETEROTIC EFFECT OF TOMATO (Lycopersicon lycopersicum (L.) H. Karst) VARIETIES SUSCEPTIBLE TO ROOT-KNOT NEMATODE (MELOIDOGYNE SPP) IN SUDAN SAVANNA ZONE OF NIGERIA. FUDMA Journal of Agriculture and Agricultural Technology, [S. l.], v. 7, n. 1, p. 72–79, 2022. Disponível em: https://jaat.fudutsinma.edu.ng/index.php/jaat/article/view/11. Acesso em: 9 feb. 2026.