GENETIC VARIABILITY STUDIES IN SOME LOCAL AND IMPROVED SWEET POTATO (Ipomoea batatas (L.) LAM.) VARIETIES IN OWERRI, IMO STATE, NIGERIA. wujostec [Internet]. 2025 Nov. 30 [cited 2026 Apr. 11];7(2). Available from: https://wujostec.com.ng/index.php/wujostec/article/view/23