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hendra
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INDONESIA
Jurnal Ilmiah RESPATI
ISSN : 14117126     EISSN : 26229471     DOI : -
Core Subject : Agriculture,
Jurnal Ilmiah Respati (JIR) dengan e-ISSN : 2622-9471 diterbitkan oleh Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM), Universitas Respati Indonesia, Jakarta, Jurnal Ilmiah Respati ini terbit dua kali setiap tahun, yakni pada bulan Juni dan bulan Desember.
Arjuna Subject : -
Articles 213 Documents
Pengaruh Dosis Trikokompos terhadap Bobot, Diameter dan Kadar Gula Melon (Cucumis melo) Banu, Luluk Syahr; M. Sholihah, Siti; Gymnastiar, Faisal
JURNAL PERTANIAN Vol 16, No 3 (2025): Jurnal Ilmiah Respati
Publisher : Universitas Respati Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52643/jir.v16i3.7473

Abstract

Melon is a fruit commonly served as a dessert at various dining events. Its nutritional content and pleasant taste make it popular among consumers. Due to high market demand, melon production continues to increase; however, one of the problems in production is the excessive use of inorganic fertilizers. This study aimed to determine the effect of trichocompost dosage on fruit weight, diameter, and sugar content of melon (Cucumis melo), as well as to examine the presence of interaction between the treatments. The research was conducted at the Ragunan Agro-education Tourism area and the Laboratory of the Faculty of Agriculture, Universitas Respati Indonesia, from March to July 2025. The experiment was carried out in the field using a factorial Completely Randomized Design (CRD). The study consisted of two treatment factors. The first factor was trichocompost dosage with four levels: P0 = without trichocompost fertilizer, P1 = 500 g trichocompost, P2 = 1,000 g trichocompost, and P3 = 1,500 g trichocompost. The second factor was melon variety, consisting of V1 = Sweet Net variety and V2 = Rock Melon variety. Each treatment was replicated three times. The observed variables included fruit weight (g), fruit diameter (mm), and sugar content (°Brix). The results showed that trichocompost dosage significantly affected fruit weight and diameter but had no significant effect on sugar content. The melon variety factor had no significant effect on all observed variables, and no interaction was found among the treatments for all variables.
Induksi Kalus Dari Eksplan Daun Tanaman Kawista (Limonia Acidissima L.) Melalui Pemberian Kombinasi Naphthalene Acetic Acid (NAA) Fauzi, Muh. Yogi; Rahmi, Hayatul; Lestari, Ani
JURNAL PERTANIAN Vol 16, No 3 (2025): Jurnal Ilmiah Respati
Publisher : Universitas Respati Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52643/jir.v16i3.6146

Abstract

Kawista (Limonia acidissima L.) is a nutrient-rich tropical plant with antioxidant, anticancer, antidiabetic, and anti-inflammatory benefits. Despite its usefulness, it remains rare due to slow growth—taking up to 15 years to bear fruit. In regions like Rembang and Karawang, it is used in traditional foods and drinks. Tissue culture offers a faster, more efficient method for kawista propagation. This research aimed to determine the optimal concentration combination of Naphthalene Acetic Acid (NAA) and Benzyl Amino Purine (BAP) for promoting callus growth from kawista (Limonia acidissima L.) leaf explants through tissue culture techniques. The study was conducted at the Plant Biotechnology Laboratory, Academic Support Unit (UPA), University of Singaperbangsa Karawang, from February to March 2025.mThe experimental method employed a Completely Randomized Design (CRD) with a single factor involving various concentration combinations of NAA and BAP. The treatments consisted of six combinations, each replicated five times: A (control), B (1 ppm NAA + 5 ppm BAP), C (3 ppm NAA + 5 ppm BAP), D (5 ppm NAA + 5 ppm BAP), E (7 ppm NAA + 5 ppm BAP), and F (9 ppm NAA + 5 ppm BAP). The results demonstrated that the combination treatments significantly affected callus initiation time, callus growth percentage, callus diameter, and callus weight. The most effective treatment was F (9 ppm NAA + 5 ppm BAP), which showed the shortest average time for callus emergence 14.87 days, the largest average callus diameter 1.66 cm, and the highest average callus weight 0.39 gram.
Pengaruh Kualitas Pelayanan dan Kepuasan Konsumen Terhadap Loyalitas Konsumen (Studi Kasus di Janji Jiwa 213 Gressmall Gresik) Syaikhuddin, NorNor Rahmat; Hendrarini, Hamidah; Yuliati, Nuriah
JURNAL PERTANIAN Vol 16, No 3 (2025): Jurnal Ilmiah Respati
Publisher : Universitas Respati Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52643/jir.v16i3.5455

Abstract

This study aims to determine the relationship between customer satisfaction and service quality at Janji Jiwa 213 Gressmall. This study uses a non-probability approach with a purposive sampling technique to select a sample of 100 respondents. Data were analyzed using the Structural Equation Model Partial Least Square (SEM PLS) method. The results showed a fairly large correlation between customer satisfaction and service quality on customer loyalty with a value of p <0.05.