Impact of Progressive Pruning on Leaf Miner (<i>Coelaenomenodera lameensis</i>) Incidence and the Yield of Oil Palm (<i>Elaeis guineensis</i>) <br/>—A Case Study of Benso Oil Palm Plantation Plc, Adum Banso Estate, Ghana

The oil palm leaf miner, Coelaenomenodera lameensis, is currently the most destructive pest of in Ghana and other African growing countries, causing significant losses fresh fruit bunch yield. Progressive pruning an method which done at same time as harvesting. This study evaluated impact progressive on miner population how these two factors (leaf pruning) affect yield Benso Oil Palm Plantation Public listed company (BOPP. Plc). Five distinct blocks plantation were selected for observations fronds various ranks (33, 25, or 17) based degree defoliation by counting number pests leaflets different phases insect development. Fronds from plots sampled a Complete Randomized Design (CRD). size used ranged between 19 to 45 hectares. A minimum 78 evenly cut each block count depending size. Secondary data annual yields bunches before after introduction also obtained BOPP. Plc records 2011-2020. results analyzed index showed that has, high extent (64% 36%), reduced populations plantation. Paired t-test has revealed (p , however, lower rate loss (3.05 2.7 tonnes) infestation pruning. recommends key cultural practice improving crop prone plantations.