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Jurnal Proteksi Agrikultura
Published by Universitas Lampung
ISSN : -     EISSN : 30893240     DOI : https://doi.org/10.23960/jpa.1222-26
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry
Jurnal Proteksi Agrikultura (JPA) publishes research articles related to plant pests, plant pathogens, and the management of plant damage caused by these pests and pathogens in tropical and subtropical regions. In addition to original research papers, JPA also features short communications and unpublished reviews. Manuscripts submitted for publication undergo rigorous peer review. The journal is published biannually in May and November by the Plant Protection Department at the Faculty of Agriculture, Universitas Lampung, Indonesia, in collaboration with the Entomological Society of Indonesia and the Indonesian Phytopathological Society.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Tumbuhan
Articles 20 Documents
 1   2 
Karakterisasi penyebab penyakit kanker batang pada pepaya (Carica papayae L.) di Kecamatan Limau, Kabupaten Tanggamus, Lampung AM, Shakila Larasati; Suharjo, Radix; Maryono, Tri; Masyuda, Imam; Taha, Farhan
Jurnal Proteksi Agrikultura Vol. 1 No. 1 (2024): MAY, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.111-13

Abstract

This study aims to determine the pathogen characteristics of papaya stem cancer and identify alternative host plants other than papaya. The research was conducted from October 2020 to May 2021 in the Laboratory of Agricultural Biotechnology and the Laboratory of Plant Diseases, Faculty of Agriculture, University of Lampung. Four bacterial isolates suspected to be the cause of papaya stem cancer in Limau (Tang 2(1), Tang 2(2), Ptl 1(2), Ptl 2(2)) were used in this study. Bacterial characterization was determined based on the results of biochemical tests. The results showed that the bacterial isolates were gram-negative, fermentative, lecithinase-negative, soft rot-negative, and hypersensitivity-negative, and did not produce fluorescence on King's B media. All isolates were positive for the arginine dihydrolase test, except for Tang 2(2) and Ptl 1(2). All isolates showed a negative reaction in the casein test, except for Tang 2(2). All isolates were able to grow at 39 °C or 40 °C. All bacterial isolates were able to utilize mannitol, L-tartrate, and mannitol, but not ascorbic acid. The results of the host range test showed that the bacteria were able to infect and cause symptoms in eggplant, chickpeas, luffa, and long beans. A pathogenicity test was conducted on 2-month-old papaya seedlings (cv. Calina). The results showed that all four bacterial isolates from Limau caused stem cancer symptoms in the papaya seedlings.
Potensi produk komersial berbahan aktif Beauveria bassiana sebagai agensia pengendalian Oryctes rhinoceros Ardika, Made; Fitriana, Yuyun; Suharjo, Radix; Purnomo, Purnomo
Jurnal Proteksi Agrikultura Vol. 1 No. 1 (2024): MAY, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.1128-33

Abstract

The rhinoceros beetle, Oryctes rhinoceros, is a major pest on coconut and oil palm plants, attacking both in replanting areas and directly in farmers' fields. The O. rhinoceros beetle (Coleoptera: Scarabaeidae) holds the most important position as a pest of coconut plants, both in terms of its damaging ability, distribution, population stability, and year-round population size, and is widely recognized by coconut farmers. The use of microorganisms as biological agents is part of biological control efforts. One biological agent widely used as a bioinsecticide and proven to be quite effective is the entomopathogenic fungi group, such as Beauveria bassiana. The objectives of this research are as follows: 1). To determine the ability of a commercial product containing B. bassiana as an active ingredient to cause mortality in O. rhinoceros larvae; 2) To identify the effective dose that can cause high mortality in O. rhinoceros. This study used a Completely Randomized Design (CRD) with five treatments tested, namely: P1: 37.5 g B. bassiana; P2: 28.13 g B. bassiana; P3: 18.75 g B. bassiana; P4: 9.38 g B. bassiana; P5: control. Each treatment was repeated five times, and each replicate consisted of five samples, resulting in 25 experimental samples or a total of 125 O. rhinoceros larvae. Further analysis was conducted using the LSD test at a 5% significance level. Based on the research results, the commercial product containing B. bassiana as an active ingredient was able to cause mortality in O. rhinoceros. The most effective dose for controlling O. rhinoceros larvae was treatment 3, with a dose of 18.75 g, yielding an average mortality rate of 72%.
Kemampuan produk bioinsektisida komersial berbahan aktif Metarhizium sp. dalam menyebabkan kematian larva Oryctes rhinoceros L. Fakhrurreza, Moch Fakhmi; Fitriana, Yuyun; Suharjo, Radix; Swibawa, I Gede
Jurnal Proteksi Agrikultura Vol. 1 No. 1 (2024): MAY, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.1114-19

Abstract

The rhinoceros beetle (Oryctes rhinoceros L.) (Coleoptera: Scarabaeidae) is a significant pest reported to attack nearly all coconut and oil palm plantations in Indonesia. Metarhizium sp., a well-known biological control agent, has broad-spectrum insecticidal properties due to its production of destruxin toxins, which are particularly toxic to O. rhinoceros. However, the effectiveness of dry-formulation bioinsecticides containing Metarhizium for controlling this pest has not yet been fully assessed. Therefore, this study was conducted to evaluate the potential of a dry-formulated Metarhizium sp. bioinsecticide to induce mortality in O. rhinoceros larvae. The research objectives were: 1) to assess the ability of the dry formulation bioinsecticide with Metarhizium as the active ingredient to induce mortality in O. rhinoceros larvae; 2) to determine the most effective dose of the dry formulation bioinsecticide with Metarhizium sp. for causing high mortality rates in O. rhinoceros. The study employed a Completely Randomized Design (CRD) with five treatments: 37.5 g (P1), 28.13 g (P2), 18.75 g (P3), and 9.38 g (P4) of Metarhizium sp., along with a control (P5). Each experimental unit consisted of a 1000 ml jar containing 500 g of coconut stem powder and five O. rhinoceros larvae, replicated five times with a total of 125 larvae. Analysis was conducted using the LSD test at a 5% significance level. Results indicated that the bioinsecticide was effective, with the most effective dose being 18.75 g, which resulted in 76.00% mortality.
Eksplorasi dan identifikasi bakteri simbion wereng batang coklat (Nilaparvata lugens Stal.) sebagai pendegradasi insektisida imidakloprid Sanjaya, Muhamad Sony; Fitriana, Yuyun; Lestari, Puji; Suharjo, Radix
Jurnal Proteksi Agrikultura Vol. 1 No. 1 (2024): MAY, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.1120-27

Abstract

Rice is an important food crop and a staple food source in Indonesia. The challenges in increasing rice production are not only caused by weather factors (drought, flooding) but also by pest and plant disease attacks. One of the rice pests that causes significant losses is the brown planthopper (BPH). Insecticides with the active ingredient imidacloprid have been known to effectively control brown planthoppers. However, in recent times, resistance to this insecticide has developed in brown planthoppers. This study aims to investigate the possible presence of symbiotic bacteria in brown planthoppers that can degrade imidacloprid insecticide as their carbon source. The steps taken include biochemical tests and testing the growth ability on media containing imidacloprid. The results of the tests showed that the bacterial isolates tested were unable to degrade the imidacloprid insecticide.
Pengaruh modifikasi media S terhadap produksi spora, viabilitas, dan patogenisitas jamur agensia hayati Mu’arif, Imam Al; Fitriana, Yuyun; Suharjo, Radix; Swibawa, I Gede
Jurnal Proteksi Agrikultura Vol. 1 No. 1 (2024): MAY, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.1134-45

Abstract

Biological control fungi can be stored and produced in the form of spores on a specific medium. For mass production, a large quantity of spores is required in a short amount of time. This study aims to determine the effect of medium S on the sporulation, spore viability, and pathogenicity of the fungi Beauveria bassiana, Metarhizium flavoviride, Purpureocillium lilacinum, and Trichoderma asperellum. There were two sets of experiments in this study. The first experiment tested the growth ability of fungal isolates on modified medium S in vitro. The second experiment tested the viability of the fungi that had been grown on the medium used in the previous experiment. The results showed that the type of fungus and the type of medium affected growth and spore production but did not influence spore viability. Among the biological agents, there appears to be mutual inhibition, though this inhibition does not seem to affect their ability to cause the death of the test insects. The consortium of biological agents resulted in a higher mortality rate of the test insects compared to single-agent applications.
Kajian taksonomi penyakit bulai pada tanaman jagung dan pengendaliannya wahyudi, wahyudi; Selviani, Zakiah; Wati, Tri Agus Setiya; Sari, Ni Nengah Yulyani Purnami; Jayanti, Watini Hefri; Dirmawati, Suskandini Ratih; Aeny, Titik Nur; Suharjo, Radix
Jurnal Proteksi Agrikultura Vol. 2 No. 1 (2025): MAY, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.1213-21

Abstract

Downy mildew disease in maize plants (Zea mays) caused by the pathogen Peronosclerospora maydis is a serious threat to maize production in Indonesia, which is one of the main food commodities. The disease can cause significant crop yield losses, so a deep understanding of the taxonomy, epidemiology, and control strategies of the disease is important. This study aims to identify the taxonomy of downy mildew, analyze environmental factors that affect the progression of the disease, and evaluate various effective control methods, both chemically and biologically. Downy mildew control is carried out through an integrated approach which includes the use of resistant corn variations, the application of crop rotation systems, environmental sanitation, and seed treatment with metalaxic fungicides. In addition, the use of biocontrol agents such as Trichoderma spp. and Pseudomonas fluorescens showed great potential in reducing infections by up to 75% and significantly improving crop yields. This study also highlights the importance of the development and application of plant-based fungicides derived from natural ingredients such as turmeric, garlic, and soursop leaves, which have antimicrobial properties. Although the use of biocontrol agents has been implemented in some areas, the adoption of this technology is still limited, so more research is needed to explore the potential of other biocontrol agents. These findings are expected to contribute to the development of sustainable downy mildew control strategies, increase corn productivity, and support national food security.
Spodoptera frugiperda: Hama utama pada tanaman jagung dan strategi pengendaliannya Anintyas, Dytri; Safitri, Khofifah Nur Indah; Kusumawati, Eka; Masoyogie, Kholfira; Dirmawati, Suskandini Ratih; Aeny, Titik Nur; Suharjo, Radix
Jurnal Proteksi Agrikultura Vol. 1 No. 2 (2024): NOVEMBER, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.2166-80

Abstract

Spodoptera frugiperda (FAW), or fall armyworm, is a major invasive pest that attacks corn crops in various tropical and subtropical regions. In recent decades, the global spread of FAW has been accelerated by international trade and climate change. In Indonesia, the presence of this pest was first reported in 2019 in West Sumatra, with attacks spreading to various other areas. The FAW life cycle includes four stages (eggs, larvae, pupae, and imago) with significant levels of plant damage, especially in the larval stage.Various con- trol strategies have been implemented, including integrated pest management (IPM) approaches, such as the use of biological agents (Beauveria bassiana and Metarhizium anisopliae), push-pull techniques, and crop rotation. In addition, the development of pest-resistant corn varieties is an important alternative. Recent re- search has identified two genetic lines of FAW, namely corn and rice lines, which show differences in host preference and resistance to insecticides.This study highlights the need for further development of ecologi- cally based strategies, including exploration of local parasitoids and effective bioinsecticide formulations. In addition, genetic and microbiota analyses offer new potential in understanding FAW population dynamics and its control. These results are expected to be the basis for sustainable pest management in Indonesia and other regions.
Preferensi Kumbang Beras (Sitophilus oryzae L.) pada Tujuh Varietas Jagung Rahman, Moch Rifki Andika; Pramono, Sudi; Solikhin, Solikhin; Swibawa, I Gede
Jurnal Proteksi Agrikultura Vol. 1 No. 2 (2024): NOVEMBER, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.2146-55

Abstract

The rice weevil (Sitophilus oryzae L.) is a primary pest of rice but also has the capacity to infest other grain commodities, such as maize.The objective of this study is to determine the preference of rice weevils to seven different maize varieties.The research was conducted at the Plant Pest Science Laboratory, Faculty of Agriculture, University of Lampung, from March to August 2024.The preference test was assessed using the Free Choice Test Method (FCTM). The experiment involved the placement of 30 g of each maize variety in separate treatments, with 30 pairs of S. oryzae positioned at the center of the cage. This design ensured equal opportunity for the weevils to select any of the maize varieties. The preference test spanned seven days, after which each maize variety was subjected to an incubation period of one month. The observed variables included the preference or number of rice weevil imago (both male and female), the number of first-generation offspring, median development time, sensitivity index, percentage of damage, and weight loss of maize.The research results indicated that S. oryzae exhibited the highest preference for the Kristal Madura maize variety compared to six other maize varieties. The highest number of male and female imago, as well as first-generation offspring, was observed in the Kristal Madura variety.The susceptibility index of the Kristal Madura variety was the highest, making it the most vulnerable variety.The highest percentage of weight loss was observed in the Kristal Madura and Kretek Madura varieties.
Potensi ekstrak tumbuhan Avicennia marina untuk mengendalikan jamur Colletotrichum sp. penyebab penyakit antraknosa pada cabai rawit (Capsicum frutescens) Putri, Salsabila Sekar; Maryono, Tri; Rugayah, Rugayah; Pramono, Sudi
Jurnal Proteksi Agrikultura Vol. 1 No. 2 (2024): NOVEMBER, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.2156-65

Abstract

Cayenne pepper (Capsicum frutescens) is a horticultural commodity with high economic value and increasing demand. Anthracnose disease is a major limiting factor in cayenne pepper cultivation, with yield losses reaching up to 60%. Control of anthracnose is generally achieved through fungicide application. However, the extensive use of fungicides has led to the emergence of resistant strains and environmental pollution. Various plants have been reported to contain antifungal bioactive compounds. This study aims to determine the potential of mangrove extract to control Colletotrichum sp., the cause of anthracnose disease in cayenne pepper. The research was conducted at the Plant Disease Science Laboratory, Faculty of Agriculture, University of Lampung. The tested mangrove species were some part of Avicennia marina. In vitro testing was carried out using a poison food method and arranged in a completely randomized design with 5 replications. The treatments in the in vitro test included: no mangrove extract, extracts from the fruit, root, leaves, stem, and bark of A. marina. In vivo testing was conducted using a completely randomized design with 3 replications. The treatments consisted of: no mangrove extract, extracts from the root, leaves, stem, and bark of A. marina. The results indicate that extracts from various parts of A. marina inhibited the growth of Colletotrichum sp. colonies, except for extracts from A. marina root and leaf. However, all extracts from A. marina did not affect the sporulation of Colletotrichum sp., the cause of anthracnose in cayenne pepper. Furthermore, extracts from different parts of A. marina did not impede the occurrence or severity of anthracnose on cayenne peppers
Efikasi beberapa jenis fungisida nabati untuk mengendalikan penyakit bulai pada tanaman jagung varietas BISI-18 Ningrum, Anggun Shermila Zahra Candra; Ginting, Cipta; Maryono, Tri; Aeny, Titik Nur; Sudarsono, Hamim; Hariri, Agus Muhammad
Jurnal Proteksi Agrikultura Vol. 1 No. 2 (2024): NOVEMBER, JURNAL PROTEKSI AGRIKULTURA
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpa.2181-94

Abstract

Downy mildew disease (Maize downy mildew) caused by Peronosclerospora spp. is a major disease in corn that can significantly reduce corn production. An environmentally friendly alternative method to control this disease is the use of botanical fungicides. This study aimed to evaluate the efficacy of botanical fungicides derived from betel leaf extract (Piper betle), Javanese chili leaf extract (Piper retrofractum), and neem leaf extract (Azadirachta indica) in controlling downy mildew disease in BISI-18 corn variety. The research was conducted from January to June 2024. The experimental plots measured 2 x 1.25 m (2.5 m²). Treatments were arranged in a randomized block design (RBD) on a 12 x 9 m plot, consisting of five treatments and six replications (groups). Natural inoculation of the downy mildew pathogen was carried out by placing one symptomatic plant in each experimental plot. Observed variables included incubation period, disease incidence and severity, AUDPC (Area Under Disease Progress Curve), phytochemical analysis, and yield. The results showed that the botanical fungicide from betel leaf extract was the most effective in reducing the intensity of downy mildew, while both betel leaf extract and neem leaf extract were moderately effective in suppressing the AUDPC of the disease. However, all botanical fungicide treatments were ineffective in increasing secondary metabolite content and yield of the BISI-18 corn variety.

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