This study aimed to determine the effect of branch pruning and several varieties on the growth of red chili plants. The research was conducted at the Agrotechnology practicum field. A randomized block design (RBD) with two factors was used: the first factor consisted of two varieties, V1 (TM999) and V2 (Lado F1), while the second factor included three levels, namely P0 (no treatment), P1 (field-top pruning), and P2 (side-shoot pruning). Each treatment consisted of five plants. The observed data were analyzed using analysis of variance (ANOVA) and followed by an LSD test at a 5% significance level. The results showed that branch pruning significantly affected the vegetative growth of red chili plants in almost all observed parameters. Plant height exhibited a consistent response at all observation periods (1–4 WAP), the number of leaves showed a significant response after the initial adaptation phase (3–4 WAP), and stem diameter increased significantly at 4 WAP.
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