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Growth of vanilla cuttings under modified acid soil media and application of several plant growth regulators Kurniawan, Rifqi Raditya; Ahadiyat, Yugi Rahayu; Tini, Etik Wukir
Kultivasi Vol 25, No 1 (2026)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v25i1.69953

Abstract

This research aimed to optimize the growth of vanilla (Vanilla planifolia) cuttings in acid soils by modifying the growing media and applying several types of plant growth regulators (PGRs). Several types of PGRs, including synthetic compounds such as indole-3-acetic acid (IAA) and 6-benzylaminopurine (BAP), as well as natural extracts from shallot (Allium ascalonicum L.) and moringa leaves (Moringa oleifera), were tested to enhance plant performance in acid-growing conditions. The primary objectives were to determine the optimal soil amendment formula and the most effective PGR type for promoting vanilla growth, and to develop a measurable, easy-to-use PGR formulation accessible to farmers. The study was conducted experimentally using a randomized complete block design (RCBD) with the first factor being modified acid soil media and the second factor being the type of PGRs. The results showed that both 100 ppm BAP (Z2) and 10% shallot extract (Z3) significantly outperformed other PGR treatments across all parameters and observation times. For instance, Z2 produced the highest recorded values for internodes (15.11 internodes) at 90 DAP, number of leaves (10.26 leaves) at 60 DAP, total leaf area (413.74 cm²) at 90 DAP, and aerial roots (12.22 roots) at 90 DAP. Conversely, Z3 demonstrated superior performance in the number of leaves (15.56 leaves) at 90 DAP and total leaf area (421.95 cm²) at 90 DAP. This treatment can be recommended as an effective strategy for enhancing the establishment of vanilla cuttings in acidic soil conditions.
Pengaruh Bokashi Limbah Tongkol Jagung dan Pupuk Daun terhadap Pertumbuhan dan Hasil Kacang Edamame di Tanah Pasir Pantai Faozi, Khavid; Tini, Etik Wukir; Supartoto, Supartoto; Cendani, Rizqianida Arum
Agrosains : Jurnal Penelitian Agronomi Vol 26, No 1 (2024): Agrosains: Jurnal Penelitian Agronomi
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/agsjpa.v26i1.72910

Abstract

The aim of the study was to determine the dose of corncob waste bokashi and foliar fertilizers application that increased the growth and yield of edamame beans. The research was conducted at the plastic house of the Faculty of Agriculture, Jenderal Soedirman University, Banyumas Regency, Central Java, Indonesia, from November 2020 to January 2021. The pot experiment was arranged in a Randomized Block Design (RBD) with two factors and three replications. The first factor was the level of bokashi consist of 10 (B1), 30 (B2), and 50 t.ha-1 (B3). The second factor was the frequency of foliar fertilizers, i.e control/without treatment (F0), every 5 days (F1), and once every 10 days (F2). Data were analyzed by F test and if significantly different, continued with duncan multiple range test (DMRT) at an error level of 5%. The results showed that the application of corncob waste bokashi increased leaf area by 21.0%, fresh and dry shoot weights 47.9% and 49.0%, fresh and dry root weights 78.5% and 50.3%, number of pods per plant by 45,0%, and pod weight per plant by 58.3%. The application of foliar fertilizer only increased the fresh root weight by 45.4%. There was no interaction between corncob waste bokashi dose and foliar fertilizer frequency on all growth and yield variables of edamame beans.