Effects of Coconut Water and Bean Sprout Extract as Natural Plant Growth Regulators on the Vegetative Growth of Mulberry Cuttings (Morus alba L.)
Abstract
Mulberry (Morus alba L.) is widely cultivated in Indonesia as silkworm feed and for leaf bioactive compounds, but propagation by cuttings is constrained by poor rooting and inconsistent establishment under suboptimal conditions. This study evaluated coconut water and bean sprout extract as natural plant growth regulators (PGRs) to improve mulberry cutting performance. The experiment was conducted in Paccerakang Village, Makassar (South Sulawesi, Indonesia) from April to June 2025 using a randomized block design with two factors: coconut water soaking (K0 control, K1 100 mL/L, K2 200 mL/L) and bean sprout extract soaking (T0 control, T1 50 g/L, T2 100 g/L, T3 150 g/L, T4 200 g/L). Stem cuttings (15–25 cm; 2–4 buds) were soaked for 30 min and planted in polybags with soil, goat manure, and rice husk charcoal (1:1:1). Coconut water at 200 mL/L accelerated shoot emergence (7.92 days) versus the control (9.58 days), while bean sprout extract at 200 g/L also hastened emergence (8.00 vs 10.78 days). At 7 days, the longest shoots occurred at 100 mL/L coconut water (29.10 cm) and 200 g/L bean sprout extract (30.12 cm). By 63 days, K1T1 produced the highest leaf number, K1T2 the highest shoot number, and 100 g/L bean sprout extract the greatest root distribution length. No significant interaction was detected, indicating independent effects. Both treatments therefore show practical potential for mulberry cutting propagation.
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DOI: https://doi.org/10.33096/agrogenesis.v2i1.1097
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