Respon Pertumbuhan Tanaman Sawi Samhong King F1 (Brassica rapa subsp. Chinensis L.) Akibat Pemberian ZPT Alami Dengan Berbagai Konsentrasi

Puput Rahmah Sari, Hayatul Rahmi, Nurcahyo Widyodaru Saputro

Abstract


The productivity of samhong mustard greens still requires improvement, however the excessive use of synthetic plant growth regulators (PGRs) can lead to environmental pollution and health risks. Natural PGRs derived from local biological materials have the potential to serve as an environmentally friendly alternative for horticultural crops. This study aimed to analyze the effects and determine the best concentrations of extracts derived from water hyacinth roots, shallots, and banana corms on the growth of samhong mustard greens. The research used was a Single-Factor Randomized Complete Block Design (RCBD) with seven treatments and four replications: P0 (Control), P1 (Water Hyacinth Root PGR 75 ml/L), P2 (Water Hyacinth Root PGR 150 ml/L), P3 (Shallot PGR 10 ml/L), P4 (Shallot PGR 20 ml/L), P5 (Banana Corm PGR 80 ml/L), and P6 (Banana Corm PGR 160 ml/L). Data were analyzed using analysis of variance (F-test) at the 5% significance level, followed by Duncan’s Multiple Range Test (DMRT) where significant effects were observed. The results indicated that the application of natural PGRs significantly influenced plant height at 28 and 35 days after planting (DAP), with the best results obtained under treatment P3 (Shallot PGR at 10 ml/L)

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References


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DOI: https://doi.org/10.52643/jir.v17i3.9729

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