Optimalisasi Perkecambahan Kopi Arabika (Coffea arabica L.) melalui Biopriming dengan Pupuk Organik Cair pada Media Tanam Berbasis Biochar
DOI:
https://doi.org/10.25181/jaip.v13i2.4063Keywords:
microbes, phytohormones, seed dormancy, seed viability, vigor indexAbstract
Arabica coffee (Coffea arabica L.) is a high-value plantation crop with increasing global demand. However, seed dormancy poses a challenge to optimal germination. This study aims to examine the effect of the interaction of seed soaking duration and liquid organic fertilizer (LOF) concentration on the germination of arabica coffee seeds using biochar and topsoil as growth media. A factorial randomized block design (RBD) was employed with two factors: soaking duration (12, 18, and 24 hours) and LOF concentration (5%, 25%, 75%, and 100%). Observed variables included germination rate, vigor index, growth uniformity, dry weight, shoot height, and root length. Data were analyzed using ANOVA followed by Duncan’s Multiple Range Test at α=5%. Results revealed a significant interaction between soaking duration and LOF concentration for several germination parameters. Soaking seeds for 18 hours with 75% LOF yielded the highest vigor index and growth uniformity, while the highest germination rate occurred at 24 hours with 25% LOF concentration. These findings suggest that optimizing LOF concentration and soaking duration can enhance arabica coffee seed germination.
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