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Pratomo, Bayu
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Pengaruh Formulasi Cendawan Entomopatogen Metharizium anisopliae(Metchnikoff) Sorokin dan Beauveria bassiana(Bals.-Criv.) Vuill terhadap Pertumbuhan dan Daya Tahan Hama Penyakit pada Bibit Kelapa Sawit (Pre nursery) Gunawan, Juan Felix; Rahayuwati, Sat; Pratomo, Bayu; Afrianti, Suratni
Agroprimatech Vol. 8 No. 2 (2024): Agroprimatech
Publisher : Prodi Agroteknologi Fakultas Agro Teknologi Universitas Prima Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/agroprimatech.v8i2.5409

Abstract

Entomopathogenic fungi are fungi that can cause death to insect pests. Some reports state that entomopathogenic fungi are endophytic or can grow in plant tissue and are positive for plant growth and produce phenol substances that insects do not like. The study aims to determine whether the formulation of entomopathogenic fungi Metharizium anisopliae (Metchnikoff) Sorokin and Beauveria bassiana (Bals.-Criv.) Vuill given to pre-nursery oil palm seedlings can help increase growth and resistance to pests and plant diseases. The study used factorial RAK with 3 replications and 2 factors, namely M. anisopliae fungus (M) with 4 levels: M0 = 0 g (control), M1 = 5g, M2 = 10g, and M3 = 40g, and B. bassiana fungus (B) with 4 levels namely: B0 = 0g (control), B1 = 5g, B2 = 10g, and B3 = 40g. The research resultsshowed that sprouts could grow into seedlings well, with an average third leaves appearing at week 12 after planting. The results of ANOVA analysis showed that the treatment factor of M. anisopliae and B. bassiana fungus gave an effect that was not significantly different on the parameters of the number of leaves, plant height, stem diameter, leaf length, number of leaf spots, leaf spot area, number of insect bites, insect bite area, plant length, crown wet weight, crown dry weight, root wet weight, root dry weight and root crown ratio. In other words, adding various doses of mixed formulation of M. anisopliae and B. bassiana did not provide a response to trigger plant growth and prevent the undesirable effects of insects. There are suggested that the two fungi are already in the oil palm seedling tissue as endophytes but until the 12th week, they have not shown any effect as a growth promotor or preventive effect the seddling tissue not liked by insects.
Analysis Of Biomass Of Mucuna Bracteata DC Due To The Provision Of Coffee Skin Waste As An Alternative Fertilizer Tarigan, Andry Admaja; Perangin-angin, Hagai Jorenta; Afrianti, Suratni; Sulastri, Yustina Sri; Sihaloho, Martha Adiwaty; Pratomo, Bayu
Agroprimatech Vol. 9 No. 1 (2025): Agroprimatech
Publisher : Prodi Agroteknologi Fakultas Agro Teknologi Universitas Prima Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/agroprimatech.v9i1.6504

Abstract

Biomass Analysis of Mucuna bracteata DC Due to the Application of Coffee Husk Waste as an Organic Nutrient Source. Mucuna bracteata DC is a cover crop that plays a crucial role in soil conservation and soil fertility improvement. This study aims to analyze the effect of liquid organic fertilizer (LOF) derived from coffee husk waste on the biomass growth of Mucuna bracteata DC, particularly in terms of fresh shoot weight, fresh root weight, dry shoot weight, and dry root weight. The research was conducted at Jalan Kuali No. 50, Medan Petisah District. The experiment was designed using a Completely Randomized Block Design (CRBD) with a single-factor treatment consisting of seven LOF dosage levels: K0 (no treatment), K1 (5 mL/polybag), K2 (10 mL/polybag), K3 (15 mL/polybag), K4 (20 mL/polybag), K5 (25 mL/polybag), and K6 (30 mL/polybag), with four replications, totaling 28 experimental plots. The results showed that the application of coffee husk LOF significantly affected the biomass growth of Mucuna bracteata DC. The highest fresh shoot weight (9.51 g) and dry shoot weight (2.14 g) were recorded in treatment K6 (30 mL/polybag), whereas the highest fresh root weight (2.29 g) and dry root weight (0.32 g) were observed in treatment K5 (25 mL/polybag). Higher LOF doses generally increase plant biomass up to an optimal threshold, beyond which nutrient absorption efficiency by roots declines. Overall, the optimal LOF dosage for maximizing biomass growth in Mucuna bracteata DC ranges between 25–30 mL/polybag. The use of coffee husk waste as an organic nutrient source presents a sustainable alternative for improving plant productivity while reducing dependency on synthetic fertilizers.
Pertumbuhan Vegetatif Mucuna bracteata D.C dengan Pemberian Pupuk Organik Cair Limbah Kulit Kopi Depari, Ari Angga Pratama; Mendrofa, Daniel; Sembiring, lidia; Ginting, Billi Sanjaya; Tarigan, Andry Admaja; Nasution, Muhammad Arif; Pinem, Laura Juita; Sulastri, Yustina Sri; Pratomo, Bayu
Tabela Jurnal Pertanian Berkelanjutan Vol. 4 No. 1 (2026): Edisi Januari
Publisher : Ilmu Bersama Center

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56211/tabela.v4i1.1570

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk organik cair (POC) berbahan limbah kulit kopi terhadap pertumbuhan awal benih Mucuna bracteata D.C. sebagai tanaman penutup tanah yang umum digunakan di perkebunan kelapa sawit. Penelitian dilaksanakan di Medan dan Sibolangit pada Februari–Juli 2025 menggunakan Rancangan Acak Kelompok (RAK) nonfaktorial dengan enam taraf dosis POC, yaitu 0, 20, 40, 60, 80, dan 100 ml per 100 ml air per polybag, serta empat ulangan. Parameter yang diamati meliputi panjang sulur dan jumlah daun. Hasil penelitian menunjukkan bahwa pemberian POC limbah kulit kopi tidak berpengaruh nyata terhadap kedua parameter pertumbuhan yang diamati. Panjang sulur tertinggi diperoleh pada dosis 40 ml dengan rerata 17,95 cm, sedangkan jumlah daun terbanyak terdapat pada dosis 80 ml dengan rerata 9,88 helai. Namun, berdasarkan hasil analisis ANOVA, tidak terdapat perbedaan yang signifikan antar perlakuan. Dengan demikian, dapat disimpulkan bahwa aplikasi POC limbah kulit kopi pada dosis yang diuji belum mampu meningkatkan pertumbuhan awal Mucuna bracteata D.C. secara nyata.
Co-Authors afrianti, Suratni Angga Oktavianus Arie Hapsani Hasan Basri Aryska, Dini Cemda, Abdul Rahman Christina, Chyntia Davidson Silalahi, Calvin Depari, Ari Angga Pratama Elisa Julianti Fitria Ginting, Billi Sanjaya Ginting, Chelvin Van Roy Gunawan, Juan Felix Hagai Jorenta Perangin-angin Harahap, Fitra Syawal Hilda Julia Irni, Julaili Kurniawan, Zahir Lumban Tobing, Herdianta Mariana, Merlyn Mendrofa, Daniel Muhammad Arif Nasution Nini Rahmawati Nur Ariyani Agustina Oktavianus, Angga Perangin-angin, Hagai Jorenta Pinem, Laura Juita R Sitinjak, Rama R. Sitinjak, Rama Rahayuwati, Sat Rama Riana Sitinjak Ridwanti Batubara Rini Susanti Sembiring, lidia Sihaloho, Martha Adiwaty Silvia Nora, Silvia Suryadi Risky Sirait Tanjung, Agung Rafiul Naldi Tarigan, Andry Admaja Tarigan, Andry Atmaja Walida, Hilwa Yustina Sri Sulastri Zuliyanti, Ameilia