Rizkita Rachmi Esyanti

Candle-soot particles as a low-cost seed priming agent for enhanced germination and salinity tolerance in tomato

Anca Awal Sembada, Ahmad Faizal, Mohamed Syazwan Osman, Endang Rahmat et autres

Salinity severely limits seed germination by inducing osmotic imbalance, ion toxicity, and oxidative stress, creating a need for affordable and effective priming strategies. This study evaluated candle-soot particles, carbonaceous particles collected from candle combustion, as a low-cost priming agent to improve tomato …

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Spatial Analysis of Viral Outbreaks in Indonesian Tomato Cultivation: Pathways to Sustainable Farming

Ramadhani Safitri, Sony Suhandono, Rizkita Rachmi Esyanti

Tomato production in Indonesia is severely threatened by viral pathogens, compromising yield and food security. This study analyzed the spatial distribution of viral infections in 483 tomato samples collected from 11 provinces spanning 38 districts. Using RT-PCR and PCR diagnostics, we detected …

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In vitro characterization of banana cultivar rejang responses to Fusarium oxysporum f. sp. cubense tropical race 4 for agricultural biosecurity risk assessment

Putri Balqis, Nadya Farah, Rizkita Rachmi Esyanti, Fenny Martha Dwivany et autres

Fusarium oxysporum is a highly destructive soilborne pathogen comprising more than 100 host-specific strains (formae speciales), making it a significant biosecurity threat to many economically important crops, including tomato, melon, cotton, and banana. Its detrimental impact on agricultural productivity poses serious challenges …

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Effects of silica nanoparticles on antioxidative enzyme activity and carbohydrate metabolism during germination of Citrullus lanatus and Cucumis sativus seeds

Anca Awal Sembada, Ahmad Faizal, Mohamed Syazwan Osman, Endang Rahmat et autres

The application of silica nanoparticles (SiNPs) in agriculture has attracted growing attention for improving plant performance. However, their role during early seed germination remains unclear. This study evaluated the effects of different SiNP concentrations and germination responses of Citrullus lanatus and Cucumis …

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Microbial fermentation optimization to increase glucomannan content in porang flour with a mixed-level factorial design

NATHAN ALTHEA SANDJAJA, Neil Priharto, Rizkita Rachmi Esyanti

Abstract. Sandjaya NA, Priharto N, Esyanti RR. 2025. Microbial fermentation optimization to increase glucomannan content in porang flour with a mixed-level factorial design. Biodiversitas 26: 6541-6559. Porang (Amorphophallus muelleri) flour is a promising source of glucomannan, a polysaccharide widely applied in food, …

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Plastome insights from the mistletoe Dendrophthoe pentandra (Loranthaceae) highlight gradual evolutionary footprints of parasitism in Santalales

Risha Amilia Pratiwi, Arief Priyadi, Iriawati, Istiana Prihatini et autres

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Integrating Business Model Canvas and Balanced Scorecard for Porang Tuber Business Development: A Case Study of Koperasi Porang Garut Agro

Raihanah Yurizka Kinanti, Yooce Yustiana, Rizkita Rachmi Esyanti

Indonesia is expected to face a decline in rice harvest areas in 2024, which threatens national food security and highlights the need for alternative food sources from local commodities such as Amorphophallus muelleri (porang). Koperasi Porang Garut Agro (KPGA), a community-based cooperative …

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Carbonaceous Particles from Candle Soot Enhance Water Absorption and Modulate Starch-Sugar Metabolism in Solanaceae Seed Germination

Anca Awal Sembada, Ahmad Faizal, Rizkita Rachmi Esyanti, Yuli Setyo Indartono et autres

Candle soot is a source of carbonaceous compounds that has been viewed as unwanted air pollution. Few have attempted to apply candle soot in agriculture, specifically for seed germination. This study was conducted to determine the effect of using candle soot on …

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Impact of Endophytic and Rhizospheric Fungi on The Growth and Specialised Metabolite Production of Phyllanthus niruri L.

Winda Nawfetrias, Yuda Purwana Roswanjaya, Nur Alfi Saryanah, Sulastri Sulastri et autres

Medicinal plants are rich sources of specialised metabolites, crucial for various fields like agriculture, forestry, food processing, biofuels and environmental remediation. Microbes, particularly endophytic and rhizospheric fungi, play a significant role in optimising the production and regulation of these compounds. Several research …

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Growth and steviol glycoside analysis on Stevia rebaudiana shoot culture elicited by methyl jasmonate: insight from transcriptomics

Andira Rahmawati, Ahmad Faizal, Iriawati Iriawati, Roohaida Othman et autres

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Steviol Glycoside Production and Growth in Stevia rebaudiana Shoot Culture After Methyl Jasmonate Elicitation

Andira Rahmawati, Iriawati Iriawati, Rizkita Rachmi Esyanti, Roohaida Othman

Steviol glycosides are a group of compounds derived from the Stevia rebaudiana metabolites which are commonly used as sugar replacements. Methyl jasmonate (MeJA) elicitation is one strategy to induce high steviol glycoside content. MeJA can enhance the synthesis of secondary metabolites, however, …

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A robust in planta Agrobacterium‐mediated transformation in red chili (Capsicum annuum L.)

Anti Damayanti Hamdani, Syarul Nugroho, Rizkita Rachmi Esyanti, Ahmad Faizal et autres

Plant improvement through in vitro culture and genetic engineering is a significant aspect of breeding programs aimed at producing disease‐resistant cultivars of disease‐prone red chili (Capsicum annuum L.). However, the Capsicum genus is recalcitrant to genetic transformation and in vitro regeneration. Moreover, …

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