Medicinal Plant Research 2026, Vol.16, No.1, 1-10 http://hortherbpublisher.com/index.php/mpr 4 (Figure 2). For instance, fruits treated with both 15 and 100 % extracts of T. procumbens still maintained 1.00±0.00 as their disease severity values while fruits treated with 5, 10 % extracts of T. procumbens and fungicide had their severity values increase non-significantly (p ≥ 0.05) to 1.67±0.44, 1.33±0.38 and 1.33±0.38 respectively (Figure 2). Figure 1 Effect of different concentrations of Tridax procumbens on disease severity in orange fruits pre-inoculated with Lasiodiplodia sp and stored for 5 days Figure 2 Effect of different concentrations of Tridax procumbens on disease severity in orange fruits pre-inoculated with Lasiodiplodia sp and stored for 10 days Meanwhile by day 15 in storage, only fruits treated with 15 and 100% T. procumbens extracts maintained their diseased free status (1.00±0.00) when compared with control and other treated fruits. In fact, the severity values of control fruits had increased to 3.00±0.33 (moderate rottenness) while all the other treated fruits recorded same severity values (2.00±0.25) and had started showing slight rottenness (Figure 3). By day 20 in storage, only fruits treated with 15 and 100% T. procumbens extracts still maintained their diseased free status (1.00±0.00) when compared with control and other treated fruits (Figure 4). Unfortunately, the control fruits had become completely rotten (4.00±0.52) but fruits treated with 5 and 10% extracts of T. procumbens and fungicide still showed slight rottenness as evident by their respective severity values of 2.67±0.44, 2.50±0.50 and 3.00±0.33 (Figure 4).
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