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Journal : Cropsaver : Journal of Plant Protection

Pesticide Residues Analysis of Arabica Coffee Bean from Community Coffee Plantation Manglayang Mountain, Bandung Regency Rasiska, Siska; Maharani, Yani; Hutapea, Dedi Hutapea; Maxiselly, Yudithia; Wulandari, Ela Hasri
CROPSAVER Vol 7, No 1 (2024)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v7i1.53114

Abstract

Coffee is one of the export commodities that has produced gross domestic product up to 16.15% of the agricultural sector. However, pesticide residues in agricultural products remain a barrier in the context of exports and agricultural product safety. The study aims to analyze the pesticide residue content in coffee produced by farmers at the Manglayang Mountain Community Coffee Plantation (CCP) compared to the maximum residue limit. The method used in this research is explorative descriptive by collecting samples from the Giri Senang Forest Community, Legok Nyenang-Giri Mekar Village, Cilengkrang District, Bandung Regency, and analyzed with the method EN 15662:2018. A kilogram of coffee is washed and dried for two days, then separated from the skin of the coffee and the green bean. The green bean are then extracted by QuEChERS, by adding 1% acetic acid in acetonitril and the extract is cleansed using high SPEĀ  dispersive. LC-ESI-MS/MS is operated in MRM mode, and validated according to the SANTE 12682/2019 requirements. The results of the research showed that the coffee from was not detected containing residues of pesticides from the organophosphate and carbamate groups. Thus, the coffee products from Manglayang Mountain CCP are considered safe to be consumed, and can be exported abroad.
In-Vitro Antifungal Test of Methanol Extract of Butterfly Pea (Clitoria ternatea L.) Seeds Against Colletotrichum sp. the incitant of anthracnose of Red Chilli Suganda, Tarkus; Amanda, Lauren Thalita; Maharani, Yani
CROPSAVER Vol 6, No 2 (2023)
Publisher : Departemen Hama dan Penyakit Tumbuhan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/cropsaver.v6i2.48350

Abstract

Colletotrichum sp. the incitant of anthracnose, is very detrimental disease in chili plants. Anthracnose control relies on synthetic fungicides that can have a negative impact on the environment and human health, so more environmentally friendly control alternatives are needed. The butterfly pea plant (Clitoria ternatea L.) is often used as a traditional medicine because it contains functional compounds that are antifungal and antibacterial. This study aimed to test the antifungal effect of the methanol extract of butterfly pea seeds against Colletotrichum sp. of chili plants. The research was carried out from February to April 2023 at the Phytopathology Laboratory of the Department of Pests and Plant Diseases, Faculty of Agriculture, Universitas Padjadjaran. The research method used was an experimental method with poison food techniques in a Completely Randomized Design consisted of 5 treatments with 5 replications. The treatment concentrations of extract used consisted of 1%, 2%, 3%, control, and fungicide mancozeb 0.2% as a comparison. The results showed that the methanol extract of butterfly pea seeds provided the highest inhibition of colony growth (34%) at a concentration of 3%. Inhibition of conidia production of 28.8% was shown at a concentration of 1% but no inhibition at concentrations of 2% and 3%. Methanol extract from butterfly pea seeds could not inhibit the germination of conidia of the fungus Colletotrichum sp. but the germinated conidia become aborted and fail to develop as miselia. The effectiveness of the methanol extract of butterfly pea seeds is still lower than the mancozeb fungicide.