The present study aims to highlight the effects of different planting densities on the control of groundnut rosette under the agro-ecological conditions of Kenge. The study was conducted in the Democratic Republic of Congo, Kwango Province, in the city of Kenge.
For this study, we used an experimental approach combined with statistical analysis. The experimental design was a 2 × 4 factorial in a split-plot arrangement with four treatments and three replications: T0 = random spacing, T1 = 20 cm × 20 cm, T2 = 40 cm × 20 cm, and T3 = 30 cm × 30 cm.
The results showed that T1 (20 cm × 20 cm) achieved the best performance, with a lower incidence and less severe attacks compared to the other treatments. It was followed by T0 (random spacing), which gave results similar to T1. Lime amendment also proved important, providing better results on the plots where it was applied compared to plots without lime.
These findings suggest that higher planting densities help control the aphid Aphis craccivora and combat groundnut rosette.
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