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RESPON PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG MANIS (Zea mays saccharata Sturt L .) PADA SISTEM OLAH TANAH DAN PESTISIDA NABATI Sutra A Said; Fitriah Suryani Jamin; Hasna Dama; Indriati Husain; Suyono Dude
PLANTKLOPEDIA: Jurnal Sains dan Teknologi Pertanian Vol 6 No 1 (2026): Maret
Publisher : Program Studi Agroteknologi, Fakultas Sains dan Teknologi, Universitas Muhammadiyah Siddenreng Rappang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55678/plantklopedia.v6i1.2639

Abstract

Sweet corn (Zea mays saccharata Sturt L.) is a horticultural commodity with high economic value and broad development prospects in Indonesia. However, its production still faces several constraints, including declining productivity due to suboptimal cultivation practices and disturbances from plant pests. This study aimed to evaluate the effects of tillage systems and botanical pesticides, as well as their interaction, on the growth and yield of sweet corn. The research was conducted in Matinan Village, Gadung District, Buol Regency, Central Sulawesi Province. The experiment employed a factorial randomized block design with two factors. The first factor was the tillage system, consisting of two levels: no-tillage (NT) and minimum tillage (MT). The second factor was botanical pesticide application, consisting of three levels: no pesticide (control), 100 mL/L papaya leaf extract (P1), and 100 mL/L soursop leaf extract (P2). The results showed that both tillage systems, no-tillage and minimum tillage, had no significant effect on the growth and yield of sweet corn, including plant height, number of leaves, leaf area, flowering percentage, ear length, and fresh weight of 100 seeds. The application of botanical pesticides made from papaya and soursop leaf extracts also had no significant effect on all observed parameters. Keywords: botanical pesticide; growth; minimum tillage; no-tillage; sweet corn
Influence of Various Types of Chitosan on Biomass and Callus Morpology of Momordica Cochinchinensis in Vitro Nazwa S. Lamante; Devi Bunga Pagalla; Jusna Ahmad; Novri Youla Kandowangko; Indriati Husain
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): Juli - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i3.12314

Abstract

Momordica cochinchinensis is a medicinal, herbs locally known in gorontallo as dumbaya. Tradisionally, this plant has been utilized as both a food of food course a herbal medicine. Due to its rich contains of bioactive compounds, making it a potential candidate for development through plant tissue culture. This study aimed to determine the effects of different chitosan concentrations on the biomass and callus morphology of M. cochinchinensis cultivated in vitro. The experiment was arranged in a non-factorial completey randomized design consisting of three chitosan concentrations: 15 mg L -1, 25 mg L-1, and 35 mg L-1, respectively, as well as a 5000 mg L-1 chitosan stock solution per liter of MS medium. Each treatment consisted of three replicates. The observed parameters included callus fresh weight, dry weight, color, texture, and the percentage of callus formation. Data were analyzed using a one-way ANOVA at a 5% significance level. Since the fresh weight data showed significant differences, it was followed by a Duncan’s Multiple Range Test (DMRT) at the 5% level. The results showed that different chitosan concentrations significantly affected the callus fresh weight (F = 7.932; p = 0.021). the 15 mg L-1 treatment yielded the highest fresh weight, 0.04067 ± 0.0115 g, which was significantly different from the 35 mg L-1 treatment (0.3000 ± 0.0458 g) but not significantly different from the 25 mg L-1 treatment (0.3300 ± 0.0346 g) conversely, chitosan concentration did not significantly affect the culls dry weight (F = 3.519); p = 0.097). all treatmeants resulted in 100% callus formation with white and friable callus morphology. These findings indicate that among the tasted concentrations, 15 mg L-1 of chitosan is the most favorable concentration for demonstrating callus fresh weight accumulation of M. cochinchinensis under in vitro culture conditions.
Effect of Methyl Jasmonate on In Vitro Callus Growth of Momordica cochinchinensis Widyawati S. Isima; Jusna Ahmad; Devi Bunga Pagalla; Novri Youla Kandowangko; Indriati Husain
Jurnal Biologi Tropis Vol. 26 No. 3 (2026): Juli - September
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v26i3.12324

Abstract

Momordica cochinchinensis (Lour.) Spreng., locally known as dumbaya in Gorontalo, is a tropical climbing plant with potential as a functional food and medicinal resource, but its natural availability is limited by low seed germination, slow growth, and environmental sensitivity. This study aimed to determine the effect of methyl jasmonate (MeJA) concentrations on callus growth of young stem explants of M. cochinchinensis under in vitro conditions. The experiment used a completely randomized design with five treatments: MS without plant growth regulators, MS + 2,4-D + BAP, MS + MeJA 6 mL/L, MS + MeJA 11 mL/L, and MS + MeJA 16 mL/L. The observed parameters were callus formation percentage, callus initiation time, and callus morphology. Quantitative data were analyzed using one-way ANOVA followed by Duncan’s test at 5%, while morphological data were described qualitatively. All treatments produced 100% callus formation within 14 days. MeJA affected callus initiation time, with MS + MeJA 6 mL/L showing the fastest average response at 3.67 days after culture. The callus was mostly friable with varied coloration. This treatment may support further development of M. cochinchinensis callus culture and provides preliminary information for optimizing in vitro propagation protocols for this locally valuable species in future studies.
Respon Pertumbuhan dan Hasil Bawang Merah Terhadap Aplikasi Pupuk Organik Cair Dan Benzyl Amino Purine (BAP) Silvana Apriliani; Indriati Husain; Rival Rahman
Jurnal Galung Tropika Vol 15 No 2 (2026)
Publisher : Fakultas Pertanian, Peternakan dan Perikanan Universitas Muhammadiyah Parepare

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31850/jgt.v15i2.1459

Abstract

Enhancing shallot productivity should focus on efficient, environmentally sustainable cultivation practices. Innovations in cultivation, such as the use of liquid organic fertilizers and plant growth regulators like Benzyl Amino Purine (BAP), represent a promising approach to sustainably improving yield. This study aimed to evaluate the effects of liquid organic fertilizer and BAP on the growth and yield of shallot plants, and to examine the interaction between different liquid organic fertilizer doses and BAP concentrations. The experiment was arranged using a Randomized Complete Block Design (RCBD) with two treatment factors. The first factor consisted of four levels of liquid organic fertilizer: 0 mL L?¹, 50 mL L?¹, 100 mL L?¹, and 150 mL L?¹, applied to the growing media. The second factor was BAP concentration, with three levels (0 ppm, 100 ppm, and 200 ppm), applied via foliar spraying. The combination of these factors resulted in 12 treatment combinations, each replicated three times, yielding a total of 36 experimental units. Each unit consisted of two plants, resulting in a total of 72 plants. The results indicated that the application of 500 mL L-1 liquid organic fertilizer combined with 200 ppm BAP significantly affected plant height at 5 weeks after planting (WAP) and had a significant single-factor effect on root number. A significant interaction effect was observed on plant height at 5 WAP. However, no significant effects were found on the number of tillers, stomatal number, stomatal density, bulb diameter, and overall shallot productivity.