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Fahri Ali
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Prodi Teknologi Produksi Tanaman Hortikultura Politeknik Negeri Lampung Gedung KHD Lantai IV Jl. Soekarno-Hatta No. 10 Rajabasa, Bandar Lampung
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Journal of Horticulture Production Technology
Published by Politeknik Negeri Lampung
ISSN : -     EISSN : 30256313     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Journal of Horticulture Production Technology (JHPT), the official journal for Applied Horticulture, publishes primary research paper, review article, policy analysis and research notes and preliminary results in all areas of horticulture. JHPT covers horticulture in broad sense including plant production, genetic and plant breeding, plant physiology, plant protection, plant propagation, plant care, seed science and technology, harvest and postharvest. Published two times a year: June and December. Manuscripts could be written either in English or in Indonesian.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "vol 4 no 1 (2026)" : 6 Documents clear
Penerapan Irigasi Defisit pada Produksi Melon Sultan Muhammad Idrus; I Gde Darmaputra; dian pratiwi
Journal of Horticulture Production Technology Vol 4 No 1 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i1.4470

Abstract

Deficit irrigation is the application of water to crops in amounts lower than their full water requirement without causing a significant reduction in yield. This study was conducted to investigate the effect of deficit irrigation on Sultan melon plants using a randomized block design with four levels of deficit irrigation applied from planting to harvest: 0% deficit irrigation (control), 15%, 30%, and 45%. Each treatment was replicated three times, with each replication consisting of three experimental units. The results showed that deficit irrigation had no significant effect on the number of leaves and plant height of Sultan melon, but it significantly affected leaf area, fresh stem weight, and fruit weight. The average fruit weight of Sultan melon under 0% deficit irrigation was 0.785 kg per plant, which was not significantly different from 15% deficit irrigation at 0.680 kg per plant. The deficit irrigation level that provided optimal yield and water productivity for Sultan melon was 15%, with fruit weight and water productivity of 0.704 kg per plant and 15 kg per m³ of water, respectively.
Respon Pertumbuhan Seedling Anggrek Dendrobium Gradita 31 Pada Beberapa Kombinasi Media Ms dan Ekstrak Taoge Dwi Dhita Apriyani; Yeni Yeni; Wika Anrya Darma; Lisa Erfa
Journal of Horticulture Production Technology Vol 4 No 1 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i1.4635

Abstract

Problems in orchid development are still quite limited due to the lack of availability of uniform seeds and the slow growth process of orchids, resulting in limited availability of orchid plant seeds. Subculture is the transfer of plants by in vitro culture from old media to new media with a specific purpose. One type of organic PGR used is bean sprout extract which contains auxin and cytokinin for the growth of plant seedlings. The objectives of this study are, (1) To obtain the best concentration of MS media at the growth stage of Dendrobium "Gradita" orchids, (2) To obtain the best concentration of bean sprout extract at the growth stage of Dendrobium "Gradita 31" orchids, (3) To determine the interaction between MS media and bean sprout extract at the growth stage of Dendrobium "Gradita 31" orchids, and (4) To obtain the best combination between MS media and bean sprout extract at the growth stage of Dendrobium "Gradita 31" orchids. The experiment will be conducted using a factorial Randomized Block Design (RAK). The first factor is the concentration of MS media, namely MS media ½ MS and full MS. The second factor is the concentration of bean sprout extract, namely 0 g.l-1, 100 g.l-1, 200 g.l-1, and 300 g.l-1. The research data were processed using analysis of variance, to see the differences between treatments, then continued with the Least Significant Difference (LSD) test at a level of 5%. The conclusions from the results of this study are (1) The best concentration of MS media use is at the level of concentration of bean sprout extract addition used in increasing seedling height, number of leaves, number of roots, root length, and seedling weight in the use of MS media. (2) The best concentration of bean sprout extract use is at the level of MS media use used in increasing seedling height, number of leaves, number of roots, root length, and seedling weight in the concentration of bean sprout extract 0 g.l-1 and 100 g.l-1. (3) There is an interaction between the combination of MS media and bean sprout extract on the increase in seedling height and seedling weight, and (4) There is the best combination of bean sprout extract, namely in ½ MS media with the addition of 0 g.1-1 bean sprout extract which results in an increase in seedling height, number of leaves, leaf length, and plant weight.
Respon Empat Varietas Bayam terhadap Azotobacter dan Rhizobium Rennanti Lunnadiyah Aprilia; Khanifatun Mu’minah
Journal of Horticulture Production Technology Vol 4 No 1 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i1.4926

Abstract

Excessive dependence on inorganic fertilizers in spinach cultivation may reduce soil quality; therefore, more environmentally friendly fertilization alternatives, such as biofertilizers, are needed. However, information on the effectiveness of Azotobacter and Rhizobium across different spinach varieties remains limited. This study aimed to evaluate the effects of biofertilizer type and variety on the growth and biomass of spinach. The experiment was conducted from February to July 2025 using a 2 × 4 factorial randomized complete block design with three replications. The first factor was biofertilizer type, consisting of Azotobacter (H1) and Rhizobium (H2), while the second factor was spinach variety, namely green spinach (V1), uproot spinach (V2), red spinach (V3), and batik spinach (V4). Observed variables included leaf number, plant height, leaf area, root length, plant fresh weight, root fresh weight, plant dry weight, and root dry weight. Data were analyzed using analysis of variance followed by Duncan’s Multiple Range Test at the 5% level. Variety had a highly significant effect on almost all parameters, except root length. The interaction between biofertilizer and variety had a highly significant effect on leaf number, plant height, leaf area, plant dry weight, and root dry weight, and a significant effect on plant fresh weight and root fresh weight. The best shoot performance was obtained from H1V1, with 14.44 leaves, plant height of 26.94 cm, leaf area of 637.22 cm², and plant dry weight of 1.66 g, whereas the highest root fresh weight was recorded in H2V3 at 5.09 g.
Pengaruh Formulasi Jenis Telur serta Frekuensi Penyiraman Pupuk PSB terhadap Pertumbuhan dan Produksi Bayam Brazil (Alternanthera sissoo) Robith Fathurrohman Musyafa'ali; Umi Barokah
Journal of Horticulture Production Technology Vol 4 No 1 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i1.4982

Abstract

Brazilian spinach (Alternanthera sissoo) is a leafy vegetable with considerable potential for cultivation in urban farming systems. The effectiveness of Photosynthetic Bacteria (PSB) fertilizer is presumed to be influenced by the type of egg used as the fermentation substrate and the frequency of its application. This study aimed to evaluate the effects of egg type and PSB fertilizer application frequency on the growth and yield of Brazilian spinach. The experiment was conducted from February to March 2026 in the greenhouse of the Faculty of Agriculture and Animal Science, Universitas Ma’arif Nahdlatul Ulama Kebumen, using a two-factor Completely Randomized Design (CRD) with four replications. The first factor was the type of egg used as the fermentation substrate, while the second factor was the frequency of PSB fertilizer application. Data were analyzed using two-way analysis of variance (Two-Way ANOVA), followed by Duncan's Multiple Range Test (DMRT) at the 5% significance level. The results showed that, individually, egg type and PSB fertilizer application frequency had no significant effects on plant height, number of leaves, root length, fresh weight, or dry weight. However, the interaction between the two factors significantly affected stem diameter increment. The combination of PSB produced using chicken eggs and applied every six days resulted in the greatest stem diameter increment, reaching 0.1250 mm. These findings indicate that the interaction between egg type and PSB application frequency has the potential to influence stem growth in Brazilian spinach.
Pengaruh Pupuk Kompos Ampas Tahu Terhadap Pertumbuhan Dan Hasil Tanaman Sawi Pagoda (Brassica Narinosa L.) Isnaeni Opnamiati; Nurlaila Fatmawati
Journal of Horticulture Production Technology Vol 4 No 1 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i1.5003

Abstract

This study aimed to evaluate the effect of tofu dregs compost on the growth and yield of pagoda mustard (Brassica narinosa L.). The experiment was conducted from February to May 2025 in Beji, Banjarmangu, Banjarnegara, Indonesia, using a non-factorial Randomized Complete Block Design (RCBD) with five treatments and nine replications. Data were analyzed using analysis of variance (ANOVA), followed by the Honest Significant Difference (HSD) test at the 5% significance level. The results showed that tofu dregs compost significantly affected all measured growth and yield parameters of pagoda mustard. The application of 200 g of compost per plant produced the highest values for plant height (16.92 cm), number of leaves (19.06 leaves), leaf area (101.56 cm²), fresh weight (31.74 g), and dry weight (11.20 g), and these values were significantly higher than those obtained with the other treatments. The improved plant performance suggests that an adequate supply of organic matter and nutrients from tofu dregs compost promoted vegetative growth and biomass accumulation. Therefore, the application of 200 g of tofu dregs compost per plant can be recommended as an effective practice for enhancing the growth and yield of pagoda mustard.
Analisis Perubahan Zona Agroklimatologi Berdasarkan Klasifikasi Oldeman dan Implikasinya Terhadap Pengembangan Komoditas Hortikultura Utama di Kabupaten Lampung Selatan Onny Chrisna Pandu Pradana; Sekar Utami Putri; Vinni Aurelia Salsabila; Ria Putri; Anna Dwi Putri
Journal of Horticulture Production Technology Vol 4 No 1 (2026)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jhpt.v4i1.5088

Abstract

The agricultural sector is currently facing climate change as one of the foremost global challenges. Horticultural crops represent one of the agricultural subsectors most sensitive to such changes, particularly in terms of rainfall distribution, air temperature, water availability, relative humidity, and solar radiation intensity. The agroclimatological zone concept can be applied to determine the level of crop suitability relative to its growing environment, with the aim of stabilizing or even increasing crop productivity. One of the major horticultural crop centers in Lampung Province is South Lampung Regency. This study aims to (1) analysis the agroclimatological zones of South Lampung Regency over the past 16 years, (2) analysis the rainfall conditions and climate types in the South Lampung Regency area, and (3) analysis the suitability of agroclimatic zones in South Lampung for major horticultural commodities. The results of this study indicate that (1) shifts in agroclimatological zones have occurred in South Lampung Regency over the past 16 years, (2) South Lampung Regency shows a tendency toward increasingly arid conditions, as indicated by a climate type shift from C3 to D3, and (3) the South Lampung area remains suitable for the cultivation of primary horticultural commodities such as chili, eggplant, water spinach, and ginger, provided that planting and harvesting schedules are carefully aligned with the occurrence of wet and dry months.

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