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Swati Sembiring
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Immunology & microbiology

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PENGARUH PENGGUNAAN DOSIS PUPUK NPK MUTIARA (16 – 16 – 16) dan PUPUK KOMPOS TERHADAP PERTUMBUHAN dan HASIL TANAMAN SAWI (Brassica Juncea L) Rizon Stefan Tarigan; Swati Sembiring; Donatus Dahang
JURNAL AGROTEKNOSAINS Vol 5, No 1 (2021): JURNAL AGROTEKNOSAINS
Publisher : Universitas Quality

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36764/ja.v5i1.547

Abstract

This study aims to determine the effect of the use of Mutira NPK fertilizer dosage (16-16-16) and Mabar compost fertilizer on the growth and yield of mustard plants (Brassica juncea L). This research will be conducted in Cingkes, Dolok Silau District, Simalungun Regency, North Sumatra, with an altitude of + 1,150 m above sea level. This research will be conducted in October 2019 - November 2019. This research uses factorial randomized block design (RBD) consisting of 2 treatment factors and 3 replications, namely: factor I with symbol (M) with a dose of M0: 0 gr / plot (control), M1: 18 gr, M2: 36 gr, M3 : 54 gr, and factor II with the symbol (K) with a dose of K0: 0 gr / plot (control), K1: 200 gr, K2: 400 gr, K3: 600 gr. So that obtained 16 treatment and repeated 3 times. Data from the observations were then performed analysis of variance with a F test of 5% level. If there is a significant difference (p <0.05), the test is continued with the DMRT test. The results showed that the treatment of the combination of NPK Mutiara fertilizer (16-16-16) and Mabar compost had a significant effect (p <0.05) on the variable growth of plant height, number of leaves, leaf area, plant wet weight, plant dry weight, diameter hump.
Respon Perkecambahan Benih Bawang Merah (Allium ascalonicum L.) dengan Perlakuan Rendaman Cendawan Beauveria bassiana (Balsamo) Vuillemin: Response of Germination of Shallot Seeds (Allium ascalonicum L.) with Immersion Treatment of Beauveria bassiana (Balsamo) Vuillemin Nasuiton, Lita; Riduan Sembiring; Dedi Holden Simbolon; Magdalena Saragih; Swati Sembiring; Donatus Dahang; Rifa Diah Valahsya Sembiring; Rico Taruna Siregar; M. Fauzan Eren; Yolanda Febrima Tarigan
DINAMIKA PERTANIAN Vol. 42 No. 1 (2026): Jurnal Dinamika Pertanian Edisi April 2026
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2026.vol42(2).28157

Abstract

Background: The fungus Beauveria bassiana (Balsamo) Vuill is an entomopathogenic fungus widely used as a biological control agent against insect pests in plantation, food, and horticultural crops. Beyond its role as a biocontrol agent, B. bassiana has also been reported to enhance seed germination and early growth of shallot plants. Objective: his study aimed to determine the germination response of shallot seeds (Allium ascalonicum L.) to seed soaking treatment using B. bassiana at varying concentrations and soaking durations. Methods: TA field experiment was conducted from January to March 2026 using a factorial Randomized Complete Block Design (RCBD) with two factors: concentration (V) and soaking duration (P). Parameters observed included germination percentage, germination rate, shoot height, leaf number, leaf length, root length. Results: The results showed that the concentration of 15 ml/L (V3) gave the best effect on all parameters, while the soaking duration of 9 hours (P1) was optimal and not significantly different from longer soaking durations. The combination treatment of V3P1 (15 ml/L + 9 hours) produced the highest germination percentage (35% at 25 days after planting), the best germination speed (11.3 days), as well as superior shoot height and root length. The ability of B. bassiana to enhance growth is thought to be due to the production of phytohormones such as auxin and gibberellin. Conclusions: In conclusion, soaking shallot seeds in a suspension of B. bassiana at a concentration of 15 ml/L for 9 hours is recommended to improve seed viability and growth
Co-Authors DEDI HOLDEN SIMBOLON Donatus Dahang M. Fauzan Eren Magdalena Saragih Nasuiton, Lita Rico Taruna Siregar Riduan Sembiring Rifa Diah Valahsya Sembiring Rizon Stefan Tarigan Yolanda Febrima Tarigan