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All Journal Jurnal Agroplasma Journal of Agriculture (JoA)
Syahfitri, Windi Ely
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Agriculture, Biological Sciences & Forestry

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Efektifitas Lama Perendaman ZPT Ekstrak Daun Kelor dan Kombinasi Media Tanam Terhadap Panjang Akar Bibit Kopi Robusta (Coffea canephora var. robusta) Br Sitepu, Sri Mahareni; Zamriyeti, Zamriyeti; Luta, Devi Andriani; Syahfitri, Windi Ely
JURNAL AGROPLASMA Vol 11, No 2 (2024): JURNAL AGROPLASMA VOLUME 11 NO 2 TAHUN 2024
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v11i2.6293

Abstract

Coffee beans are covered in a hard shell so they take a long time to germinate. The length of germination time will affect coffee growth and production. To speed up the germination of coffee beans, growth regulators can be used. Apart from that, the growth of coffee plants can also be influenced by the planting media used to live and obtain nutrients. This research used a Complete Randomized Block Design (RAK) with 2 factors and 3 blocks to obtain 36 research plots. Factor 1: soaking time for growth regulators in Moringa leaf extract (T) consisting of 4 levels: T0: 0 hours, T1: 6 hours, T2: 12 hours, T3: 18 hours. Factor 2: The combination of planting media denoted by (M) consists of 4 levels: M0: topsoil, M1: topsoil + rice husk charcoal + goat dung (2:1:1), M2: topsoil + charcoal rice husks + chicken manure (2:1:1). The research results showed that the soaking time for the growth regulator, Moringa leaf extract, did not have a significant effect on the root length of Robusta coffee plants, but the combination of planting media had a significant effect on the root length of Robusta coffee plants. Keywords : robusta coffee, live and obtain nutrients, moringa leaf
Utilization of Beauveria Bassiana Bals. -Criv. Fungus to Control Coffee Berry Borer (Hypothenemus Hampei F.) Invitro Syahfitri, Windi Ely; Warsito, Kabul; Setiawan, Andi
Journal of Agriculture Vol. 4 No. 02 (2025): Research Articles July 2025
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v4i02.6542

Abstract

Coffee (Coffea sp) is one of the most important plantation commodities in Indonesia, largely due to its considerable economic value. However, coffee production faces significant challenges from pests such as the coffee berry borer (PBKo) (Hypothenemus hampei F), which can cause severe damage to crops, with losses reaching up to 100%. Biological control agents, particularly the entomopathogenic fungus Beauveria bassiana, have gained increasing attention as environmentally friendly alternatives to chemical pesticides. While the efficacy of B. bassiana against H. hampei has been widely documented, most previous studies have primarily targeted the adult or larval stages, often overlooking the differences in susceptibility among the various metamorphosis phases. This study addresses this research gap by systematically evaluating the effectiveness of B. bassiana as a biological control agent against PBKo across each stage of the pest’s metamorphosis-egg, larva, pupa, and imago-under in vitro conditions. Using a controlled experimental design, we assessed mortality rates in each developmental phase after exposure to B. bassiana treatment. The findings of this study are expected to provide comprehensive insights into the phase-specific efficacy of B. bassiana, identifying which metamorphic stage is most vulnerable to fungal infection. This knowledge is anticipated to improve biological control strategies, ultimately supporting more targeted and sustainable integrated pest management practices for coffee plantations. These advancements can enhance coffee yields and quality while reducing reliance on synthetic chemical pesticides.
Co-Authors Andi Setiawan Br Sitepu, Sri Mahareni Luta, Devi Andriani Warsito, Kabul Zamriyeti, Zamriyeti