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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.
PELATIHAN PEMBUATAN PUPUK HAYATI DI KWT MANDIRI, PEKON GADING REJO UTARA, KECAMATAN GADING REJO, PRINGSEWU LAMPUNG Yeni, Yeni; Rizki, Sekar Dwi; Rahhutami, Ratih; Safitri, Betari; Sisca, Pebria; Novena, Brigitta; Sukmawati, Aditya
Jurnal Abdi Insani Vol 12 No 12 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i12.3396

Abstract

The village of Gading Rejo Utara, located in the Gading Rejo Subdistrict, is characterized by widespread agricultural land use, supported by naturally fertile soil conditions. A significant issue in the community is the improper management of wastewater generated from local, small-scale tofu production. This environmental challenge is directly linked to the limited availability of agricultural fertilizers. The community's primary fertilizer sources are government-subsidized products and animal manure, indicating a gap in local, sustainable production. This training initiative aimed to enhance the knowledge and practical skills of the 'Mandiri' Women Farmers Group (KWT) members in Gading Rejo Utara Village. The project focused on utilizing local resources, specifically tofu wastewater and abundant bamboo, for the production of biofertilizer. A total of 15 KWT 'Mandiri' members participated in the activity. The methodology employed was a participatory approach, comprising several stages: 1) initial observation to identify village resources; 2) a preparatory phase involving practical training on bamboo root bioactivator production; 3) implementation, which included knowledge- sharing discussions and a demonstration of organic fertilizer production using bamboo roots; and 4) monitoring and evaluation. Evaluation results indicated a significant increase in participant knowledge (60%), attitude (82.4%), and skills (81.78%). In conclusion, this community service intervention successfully enhanced the KWT members' knowledge regarding the potential of tofu wastewater for organic fertilizer production. It also fostered increased motivation among participants to independently produce organic fertilizer.
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.
Co-Authors Ali, Fahri Amalia Hartias Anggraini Betari Safitri Betari Safitri Desi Maulida Dwi Astutik Dwi Dhita Apriyani Fahri Ali Febria, Dila Handini, Aline Sisi Lisa Erfa Maudi Sugesti Junior Maulana, Erie Novena, Brigitta Prajaka, Nanang Wahyu Priyadi Priyadi Putri, Sekar Utami Rahhutami, Ratih Rahmadyah Hamiranti Raida Kartina Rizka novi sesanti Rizka Novi Sesanti Safitri, Betari Safitri, Nida Aulia Inka Sekar Dwi Rizki Sisca, Pebria Sismanto Sismanto Sukmawati, Aditya Tiara, Dede Wika Anrya Darma, Wika Anrya Winata, Winata