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Yeni Yeni
Politeknik Negeri Lampung
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KAJIAN FORMULASI NUTRISI AB MIX DAN VARIETAS TERHADAP HASIL CABAI KERITING (Capsicum annum L.) SECARA HIDROPONIK Ali, Fahri; Yeni, Yeni; Rahhutami, Ratih; Kartina, Raida; Tiara, Dede
JURNAL AGROTROPIKA Vol. 24 No. 2 (2025): Jurnal Agrotropika Vol 24 No 2, Oktober 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i2.10556

Abstract

The problem faced by hydroponic farmers in cultivating chili peppers is the lack of an optimal AB Mix nutrient formula that can be synthesized independently using chemical fertilizers readily available in agricultural supply store. This study aims to evaluate the effects of AB Mix nutrient formulation and variety on yield of curly chili peppers (Capsicum annuum L.) in hydroponic system. The experimental design was a Randomized Block Design (RBD) in 2-factor split-plot arrangement with three replications. The main plots consisted of four nutrient formulations. The subplots consisted of plant varieties, which included the Lado Juara F1 variety, the Joker genotype, and Lolay genotype. The result of the study showed that increasin of the concentration of the AB Mix nutrient formulation from N1 to N2 enhanced the number of fruits and the fruit weight per plant, both in the Lado Juara, Joker, and Lolay varieties. However, further increases the concentration of the AB Mix nutrienr formulation from N2 to N3 and N4 decreased the number of fruits and the fruit weight per plant in any of varieties. The use of the Lado Juara variety resulted in higher numbers of fruits and fruit weight per plant compared to the Joker and Lolay genotypes across all AB Mix nutrient formulations with a drip irrigation hydroponic system. Key words: Chili, formulation, hydroponic, nutrition, variety
Aplikasi PGPR Akar Bambu dan Akar Putri Malu dalam Mengurangi Intensitas Serangan Aphis gosypii pada Tanaman Cabai (Capsicum annum L.) Safitri, Betari; Febria, Dila; Yeni, Yeni; Prajaka, Nanang Wahyu
Savana Cendana Vol 9 No 3 (2024): Savana Cendana (SC) - July 2024
Publisher : Fakultas Pertanian, Sains, dan Kesehatan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/sc.v9i3.2387

Abstract

Plant growth promoting rhizobacter (PGPR) contains Rhizobacter which can fix free nitrogen found in nature, the nitrogen is converted into ammonia which is then distributed to plants. The aim of this research was to determine the effect of administering pgpr from two different bioactivator sources on the intensity of aphid attacks on chili plants. The experimental design used was a Completely Randomized Design (CRD) which consisted of two factors, namely the PGPR concentration of bamboo roots and mimosa roots, namely 0%, 25%, 50%, 75% and 100%. Each treatment was repeated 3 times with each experimental unit consisting of 4 curly chili plants of the Thunder 99 variety. Applications were carried out once a week during the vegetative period. Observations began at 1 WAP and once a week with the observation variables being the type of aphids and the intensity of aphid attacks on each plant during the vegetative period. The results obtained by administering PGPR bamboo roots and putrimalu roots were less effective because they were unable to suppress the intensity of aphid attacks on chili plants. Intensity of aphid attacks not different than control. The level of intensity of aphid attacks is directly proportional to the aphid population. PGPR that can relatively reduce the intensity of aphid attacks is bamboo root treatment with a concentration of 75%. A better PGPR bioactivator comes from bamboo roots rather than mimosa roots.
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.
Isolasi dan Pertumbuhan Miselium Jamur Grigit (Schizophyllum Commune) Pada Berbagai Media Biakan Murni Yeni Yeni; Nanang Wahyu Prajaka; Fahri Ali; Abied Khafidhan; Ratih Rahhutami; Raissa Tazkia Nurhaliza; Desty Aulia Putranti
Jurnal Penelitian Pertanian Terapan Vol 26 No 1 (2026)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v26i1.4802

Abstract

The split gill mushroom (Schizophyllum commune) is an edible fungus that can be readily identified by its distinctive morphology and has considerable potential for development as a food source and a producer of bioactive compounds in Indonesia. Consequently, the establishment of an efficient propagation method through pure culture is essential. This study aimed to isolate S. commune and to evaluate its mycelial growth on different pure culture media. Isolation was conducted using a tissue culture technique from healthy and fresh fruiting bodies. The culture media evaluated were Potato Dextrose Agar (PDA), rice washing water medium, coconut water medium, rice bran medium, and corn boiling water medium. Mycelial growth rate, radial growth diameter, and mycelial morphological characteristics were used as growth parameters. The results indicated that the type of culture medium significantly influenced the mycelial growth of S. commune. PDA, rice washing water, and rice bran media supported the highest and most uniform mycelial growth. Mycelia grown on PDA and rice bran media exhibited a whitish-yellow coloration, dense and uniform growth, and a cotton-like texture. These findings suggest that both conventional and alternative media derived from locally available resources can effectively support the pure culture of S. commune, offering potential for more cost-effective and sustainable cultivation practices.
Pengaruh Komposisi Media Baglog terhadap Pertumbuhan Jamur Kuping (Auricularia auricula) Nanang Wahyu Prajaka; Yeni Yeni; Fahri Ali; Rahayu Opi Anggoro
JURNAL PERTANIAN Vol 17, No 1 (2026): Jurnal Ilmiah Respati
Publisher : Universitas Respati Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52643/jir.v17i1.7983

Abstract

Wood ear mushroom is one of the edible mushrooms that are in great demand by the community and widely consumed in Indonesia. Wood ear mushroom cultivation has been inefficient; however, it has economic and nutritional value. Wood ear mushrooms naturally grow on woody media containing cellulose and hemicellulose. The aim of this study was to determine the potential of bamboo waste as a growing medium for the growth and yield of wood ear mushrooms. This research was conducted using Randomized Block Design (RBD) with one factor and five replicates. The treatments used are different baglog media compositions: B1: 100% sawdust waste; B2: 100% bamboo waste; B3: 75% bamboo waste + 25% sawdust waste; B4: 50% bamboo waste + 50% sawdust waste; B5: 25% bamboo waste + 75% sawdust waste. Each experimental unit consisted of 10 baglogs. Data were analyzed using analysis of variance and 5% of the Tukey HSD test. This study provides the following result: mycelium filled the baglog at 70 days after inoculation (DAI), B1 and B5 had the fastest time of mycelium growth and filled the baglog at 42 DAI. The fastest primordia appearance times were at B1 and B5 at 51 DAI and 52 DAI. The optimal treatment overall is the B5 treatment, indicating that bamboo waste can only replace 25% of the whole mixed media with sawdust
Co-Authors Abied Khafidhan Ali, Fahri Amalia Hartias Anggraini Betari Safitri Betari Safitri Desi Maulida Desty Aulia Putranti Dwi Astutik Dwi Dhita Apriyani Fahri Ali Fahri Ali Febria, Dila Handini, Aline Sisi Lisa Erfa Maudi Sugesti Junior Maulana, Erie Nanang Wahyu Prajaka Prajaka, Nanang Wahyu Priyadi Priyadi Putri, Sekar Utami Rahayu Opi Anggoro Rahhutami, Ratih Rahmadyah Hamiranti Raida Kartina Raissa Tazkia Nurhaliza Ratih Rahhutami Rizka novi sesanti Rizka Novi Sesanti Safitri, Betari Safitri, Nida Aulia Inka Sismanto Sismanto Tiara, Dede Wika Anrya Darma, Wika Anrya Winata, Winata