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Journal : Kultivasi

Soil nutrient and invertase-producing bacteria relation impact on Cilembu sweet potato (Ipomoea batatas L.) growth: A study based on upland and wetland cultivation in Cilembu village Sumedang district Solihin, Eso; Anwar, Syaiful; Santoso, Dwi Andreas; Nugroho, Budi; Purwono, Purwono; Sudirja, Rija; Maulana, Haris; Kamaluddin, Nadia Nuraniya; Karuniawan, Agung
Kultivasi Vol 22, No 1 (2023): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v22i1.45353

Abstract

The environment is one important factor that must be considered in supporting sweet potato productivity. Environmental factors can be biotic and abiotic, including the availability of nutrients and microbes in the soil. This study aims to identify the nutrient content of the soil in wetland and upland, identify the total invertase microorganisms in wetland and dupland, and identify the relationship between soil nutrients and microorganisms during the growth of Cilembu sweet potato in dry and wetland agroecosystems. This research was conducted on upland and wetland in Cilembu Village, Sumedang Regency. The experimental design used was a single randomized block design (RBD) with six treatments and three replications:  A; Rancing, wetland, B; Biang wetland, C; Mencrang wetland, D; Rancing, uplands, E; Biang, uplands, F; Mencrang, upland. Parameters observed included pH, C-organic, total-N, available-P, exchangeable K, exchangeable Na, exchangeable Ca and exchangeable Mg, CEC, and total invertase-producing bacteria. The results showed that in wetland nutrient content such as N, P, exchangeable Ca,  Mg, Na, CEC, C-organic and pH tended to be more available. K content and abundance of invertase bacteria are more available in upland. The availability of invertase bacteria has a close relationship with the K content. The information generated in this study can be used as a basis for determining an effective location to produce good quality.
In-situ characterization of Jatigede local Roid banana (Musa spp.) based on morphological and agronomical characteristics Ismail, Ade; Pratiwi, Vika Faraditha; Maulana, Haris; Bari, Ichsan Nurul; Maharani, Yani; Kusumah, Fajar Maulana Wijaya
Kultivasi Vol 22, No 1 (2023): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v22i1.45746

Abstract

Banana (Musa spp.) is one of the agricultural commodities that’s widely cultivated and used by the local community. Currently, only 101 types of local varieties of bananas are registered in Indonesia; one of them is the Roid banana from Jatigede District. Roid bananas grow wild without any mandatory special care. Continuous use without any conservation and preservation efforts can lead to scarcity of Roid banana germplasm as a genetic resource. Therefore, it is necessary to identify the distribution and diversity of Roid bananas through in situ exploration and characterization activities. This study aimed to identify the potential for genetic diversity and develop conservation efforts for the local variety of Roid banana (Musa spp.) in Jatigede District. This research was conducted from November 2021 - March 2022 in three villages in Jatigede District: Ciranggem Village, Jemah Village, and Mekarasih Village. The research used exploratory, survey, and interview methods as data collection techniques. Based on the results of the study, Jatigede District has a wide genetic diversity and distant kinship among Roid banana accessions. Characters that contributed to genetic diversity among accessions were the width of the midrib margin, the diameter of the bunch, and the length of the pseudostem. MS1.3 was the selected accession with its potential characteristics: more combs in bunches, leaf width of 71-80 cm, leaf length of 171-220 cm, and the number of rhizomes > 5 tillers.
Callus induction and proliferation of Centella asiatica L. generated from leaves and petioles in the presence of Dicamba and BAP Rahayu, Suci; Saptadi, Darmawan; Azmi, Chotimatul; Kusumanegara, Kusumawaty; Handayani, Tri; Roostika, Ika; Bermawie, Nurliani; Maulana, Haris
Kultivasi Vol 22, No 3 (2023): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v22i3.50581

Abstract

Centella's need for industrial raw materials is high as a medicinal plant. These needs can be met through rapid multiplication using tissue culture techniques. In this study, induction and proliferation for a callus of centella cv. Castina 3 was conducted in the MS basal medium plus 4 mgL-1 Dicamba withand enriched with 7 concentrations of BAP (0, 0.1, 0.3, 0.5, 0.7, 0.9, and 1.1 mgL-1). Two kinds of explant were used, i.e., leaf and petiole. The results revealed that the addition of BAP in MS plus Dicamba medim stimulated better and produced a higher callus growth rate, both from leaf and petiole explants, than that media with Dicamba alone. Furthermore, 4 mgL-1 Dicamba + 1.1 mgL-1 BAP had a friable callus in the induction phase and a friable-compact callus in the proliferation phase. From this finding, it can be considered to use a combination of 4 mgL-1 Dicamba with 1.1 mgL-1 BAP in callus induction and proliferation for Centella rapid multiplication. 
Co-Authors Ade Ismail Affan Al Sidqi, Muhammad Agung Karuniawan Agus Suyanto Ahmad Faqih Ajis, Alus Akmal, M Akmal, M. Annisa, Sefty Rizqi A’rasy Fahrullah Baterun Kunsah Budi Nugroho Chotimatul Azmi, Chotimatul Darmawan Saptadi, Darmawan Dewi, Erika Puspa Dikrurahman, Diky Eso Solihin Fadhilah, Muhamad Yassin Al Faidah, Rika Setiani Nur Fauzi, Muhammad Miftah Febriansyah, Arif Sani Fitriyani, Wine Fribadi, Lanta Humaira, Asma Rani Rosalba Ichsan Nurul Bari Ika Roostika Ikhsanul Mubarok, Gian Intan Ratna Dewi Anjarsari Kartini, Ratu Mawar Kirani, Garnis Kustiana, Ruli M Kusumah, Fajar Maulana Wijaya Kusumanegara, Kusumawaty Lihabi M kustiana, Ruli M. Basysyar, Fadhil Maulidiyanti, Ellies Mubarok, Gian Ikhsanul Mudyawati Kamaruddin Muhammad Nasihin Mutaqin, Zaenal Nadia Nuraniya Kamaluddin Nafisa, Delia Yulianti Nurhayati Nurhayati Nurhida, Dede Nurjanah, Aspi Nurliani Bermawie Nurmaudi, Siti Permana, Dimas Satia Praharja, Yoga Pratiwi, Vika Faraditha Purdianty, Amalia Purnama Yusup, Cahya Purnamasari, Ismi Purwono Purwono, Purwono Puspa Dewi, Erika Rabban, Auliyaur Rani Rosalba Humaira, Asma Rija Sudirja Rosnia, Vera Sandrawati, Apong Sani Febriansyah, Arif Santoso, Dwi Andreas Sari, Wanda Satia Permana, Dimas Shabrina, Rahmaini Afifah Sidqi, Muhammad Affan Al Suci Rahayu Suhartini Suhartini supriadi, ari Syahrir, Annisa Martina Syaiful Anwar Tiara Aninditha Tri Handayani Tri Kurniawati, Tri Y.H., Anne Yani Maharani, Yani Yasin, Yasin Yassin Al Fadhilah, Muhamad Yudithia Maxiselly Yulianti Nafisa, Delia Yusup, Cahya Purnama Zaky, Ahmad Fairuz Zulaicho, Zulaicho