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Departemen Agroteknologi Fakultas Pertanian Universitas Andalas
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Efficacy of Four Entomopathogenic Fungi as Biopesticide Candidates against Bemisia tabaci on Soybean Prayogo, Yusmani; Ginting, Sempurna; Bayu, Marida Santi Yudha Ika; Baliadi, Yuliantoro; Harnowo, Didik; Indiati, Sri Wahyuni; Susanto, Gatut Wahyu Anggoro; Suryadi, Yadi; Trizelia, Trizelia; Widiarta, I Nyoman; Mejaya, Made Jana; Fortus, Sernan Entierro; Peuo, Vibol
AGRIVITA Journal of Agricultural Science Vol 48, No 1 (2026)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v41i0.4863

Abstract

Bemisia tabaci is a major pest of soybeans and a vector of plant viruses. This study aimed to evaluate and compare the efficacy of four entomopathogenic fungi for suppressing B. tabaci populations on soybeans. The four treatments were L. lecanii, A. aleyrodis, M. anisopliae, and B. bassiana, a comparison with the insecticide thiamethoxam and a control group without treatment. The four types tested were able to suppress B. tabaci populations by up to 75%, with A. aleyrodis being especially effective. There was no significant difference in efficacy between the four types and the insecticide thiamethoxam. Validating the efficacy of entomopathogenic fungi, there were no significant differences in plant height, dry stover weight, or number of pods between treatments with the insecticide thiamethoxam. However, significant differences occurred in the number of empty pods and seed weight, reducing yield losses by up to 78%. There was a positive correlation between the B. tabaci population and the number of empty pods (r = 0.80), while there was a negative correlation between the B. tabaci population and plant height and soybean yield (r = -0.56 and r = -0.54, respectively).
Isolation, Morphological Characterization, Biochemistry, and Antagonistic Activity of Endophytic Bacteria from Rice Against Xanthomonas oryzae pv. Oryzae Saipul Sihotang; Alfons Dwi Putra Butar-Butar; Lita Nasution; Haliatur Rahma; Trizelia Trizelia; Magdalena Saragih; Retna Astuti Kuswardani; Ika Listiana; Beatrix Sofranes Napitupulu
Biology, Medicine, & Natural Product Chemistry Vol 14, No 2 (2025)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2025.142.825-829

Abstract

Endophytic bacteria have the potential as environmentally friendly biocontrol agents in controlling bacterial leaf blight (BLB) in rice caused by Xanthomonas oryzae pv. oryzae (Xoo). This study aims to isolate, characterize morphology and biochemical tests, and test the antagonistic activity of endophytic bacteria from rice against Xoo. Isolation was carried out from healthy rice root tissue using a surface sterilization method. Morphological characterization included colony shape, color, edge, elevation, and Gram properties, while biochemical characterization included catalase, oxidase, motility, starch hydrolysis, and sugar fermentation tests. The antagonistic test used a dual culture assay method on NA (nutrient agar) media. The isolation results obtained six endophytic bacterial isolates (BETP 01–06) identified as the genus Pseudomonas and Bacillus with varying colony morphological characters. Antimicrobial activity test showed two potential isolates, BETP 03 (Pseudomonas) and BETP 05 (Bacillus), with an average inhibitory diameter of 16.3 mm and 16.5 mm against Xoo, respectively. Biochemical characterization showed that BETP 03 was bacillus, Gram-negative, citrate-negative, motile, gelatin hydrolysis positive, starch hydrolysis positive, and catalase positive; while BETP 05 was bacillus, Gram-positive, citrate-positive, motile, gelatin hydrolysis negative, starch hydrolysis positive, and catalase positive. These results indicate that both isolates have high potential as biological biocontrol agents in controlling bacterial leaf blight disease in rice.
Varietal Influence on the Abundance and Community Structure of Plant-Parasitic Nematodes in Potato Fields of Solok Regency, Indonesia Tama, Duma Putri; Trizelia; Liswarni, Yenny; Ananda, Hal Adi Fikri; Hidayatullah, Annisa
Jurnal Research Ilmu Pertanian Vol. 6 No. 1 (2026): Jurnal Research Ilmu Pertanian (Februari 2026)
Publisher : Fakultas Pertanian, Universitas Ekasakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31933/sqwk2d74

Abstract

Potatoes (Solanum tuberosum L.) are a strategic horticultural commodity in Indonesia, but their productivity is often hampered by attacks from plant-parasitic nematodes. This study aims to determine the effect of potato varieties on the abundance and structure of plant-parasitic nematode communities in the potato production centre of Solok Regency. Soil samples were collected randomly using the zig-zag method from red and white potato fields at several locations with different elevations. Nematodes were extracted using the Baermann funnel method, followed by population calculation, genus identification, and frequency of occurrence analysis. The results showed that the parasitic nematode community was dominated by the genus Meloidogyne in both varieties, with higher populations and frequency of occurrence in red potato varieties. White potato varieties showed lower total nematode populations with more diverse community structures. These differences indicate the influence of variety on the development of plant parasitic nematode populations. These findings emphasise the importance of variety selection as part of an integrated nematode management strategy in potato cultivation in Solok Regency.
Induction of Tomato Plant Resistance to the Whitefly Bemisia tabaci Using the Entomopathogenic Fungus Beauveria bassiana Natasya, Resva Lira; Trizelia, Trizelia; Liswarni, Yenny
AGRIUM: Jurnal Ilmu Pertanian Vol 29, No 1 (2026)
Publisher : UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/agrium.v29i1.25999

Abstract

Whitefly (Bemisia tabaci) is a major pest on tomato plants. Whiteflies not only attack plants directly but also serve as vectors for viruses that spread diseases such as geminiviruses, causing plants to turn yellow. One alternative for controlling this pest is to use entomopathogenic fungi, such as Beauveria bassiana. This study aimed to isolate a B. bassiana strain that enhances tomato plant resistance to B. tabaci. The experiment was arranged in a Completely Randomized Design (CRD) with six treatments and five replications. The treatments included five isolates of B. bassiana, namely BbWs, TD312, PA221, PD114, and PB21 plus a control. The B. bassiana concentration used was 108 conidia/mL. The fungus was applied by soaking tomato seed lots. Results showed that seed soaking with B. bassiana significantly reduced egg, nymph, and adult populations across all isolates compared to the control. Notably, PA221 and TD312 isolates showed significant nymph suppression. Five weeks after planting, the TD312 isolate resulted in the lowest populations: 20.40 eggs per plant, 7.25 nymphs per plant, and 2.30 adults per plant. Additionally, B. bassiana application affected plant morphology by increasing trichome density; plants treated with TD312 had a trichome density of 616.73 trichomes/cm², higher than the control (295.73 trichomes/cm²). Although statistically comparable to several other isolates on some parameters, TD312 consistently exhibited the lowest pest counts and the highest trichome density, indicating its potential to enhance tomato resistance to B. tabaci by suppressing pest populations and reinforcing trichome density.
Virulensi Beberapa Isolat Metarhizium anisopliae Terhadap Telur Spodoptera frugiperda J. E. Smith (Lepidoptera: Noctuidae): Virulence of Various Isolates of Metarhizium anisopliae Against the Eggs of Spodoptera frugiperda J. E. Smith (Lepidoptera: Noctuidae) aprilia, Puja; Trizelia; Reflinaldon
DINAMIKA PERTANIAN Vol. 42 No. 1 (2026): Jurnal Dinamika Pertanian Edisi April 2026
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/dp.2026.vol42(1).28143

Abstract

Background: Spodoptera frugiperda is a pest that causes damage and economic losses to corn plants. One of the biological agents that can be used to control S. frugiperda is the entomopathogenic fungus Metarhizium anisopliae. Objective: This study aimed to determine the most virulent isolate of M. anisopliae against S. frugiperda eggs and to evaluate its effect on larval development. Methods: This study used an experimental method with a Completely Randomized Design (CRD) consisting of 5 treatments and 5 replications. The treatments were (A) M. anisopliae C5IA, (B) M. anisopliae SRJ, (C) M. anisopliae 3B, (D) M. anisopliae Metatek, and (E) control (without fungal treatment). The conidial density used was 10⁸ conidia/ml. The fungus was applied to egg masses of S. frugiperda using a spraying method. The parameters observed were percentage of unhatched eggs, mortality of first instar larvae, percentage of pupae formed, and percentage of adults formed. Data were analyzed using analysis of variance (ANOVA) followed by LSD test at the 5% significance level. Results: All tested isolates of the entomopathogenic fungus M. anisopliae caused egg mortality and affected the life development of S. frugiperda. The percentage of unhatched eggs ranged from 41.92% to 92.00%. The most virulent isolate was M. anisopliae 3B, which was able to control eggs with an unhatched egg percentage of up to 92.00% Conclusions: The isolate M. anisopliae 3B was the most virulent isolate against eggs of S. frugiperda and has potential to be developed as a biological control agent for fall armyworm management.
Pathogenicity of Indigenous Entomopathogenic Fungi from West Sumatera, Indonesia, against Fall Armyworm Spodoptera frugiperda and Their Effects on Post-Larval Development Indri Yanil Vajri; Trizelia Trizelia; Haliatur Rahma; Yusniwati Yusniwati
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 10 No. 1 (2026): June 2026
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.10.1.56-70.2026

Abstract

Spodoptera frugiperda is a major invasive pest of maize that requires effective control strategies. Entomopathogenic fungi are promising biological control agents because they can infect larvae and disrupt insect development. However, information on indigenous fungal isolates from West Sumatra, Indonesia remains limited. Moreover, their effects on post-larval development of S. frugiperda are still poorly understood. This study aimed to evaluate the pathogenicity of several fungal isolates against S. frugiperda under laboratory conditions. The experiment was arranged in a Completely Randomized Design (CRD) with eight treatments and four replications. The treatments consisted of six fungal isolates (Beauveria bassiana BBWS, B. bassiana BBPD, Metarhizium anisopliae B22C, M. anisopliae KRJ, Trichoderma asperellum A116, T. asperellum S2D11) and two controls (sterile distilled water and cypermethrin). Fungal suspensions were applied to second-instar larvae at 1 × 10⁸ conidia mL⁻¹. All data were analyzed using ANOVA followed by the LSD test at the 5% level. This study showed that the entomopathogenic fungal isolates tested affected the survival and postlarval development of S. frugiperda under laboratory conditions. The fungal treatments caused larval mortality ranging from 40 - 70% and reduced the proportion of larvae into the pupal and adult stages. Among the tested isolates, B. bassiana BBWS was the most effective, causing the highest larval mortality, the shortest LT₅₀, and the lowest pupal and adult formation. However, further research is needed to confirm the pathogenicity mechanisms of the isolates, their conidial viability and stability during storage, and their efficacy under greenhouse and field conditions.
Endophytic Fungus Trichoderma asperellum's Virulence on Spodoptera frugiperda J. E. Smith (Lepidoptera, Noctuidae) Eggs Ayubi Alfasiri; Trizelia Trizelia; Nurbailis Nurbailis
Jurnal Ilmu Pertanian Indonesia Vol. 30 No. 4 (2025): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.30.4.741

Abstract

Spodoptera frugiperda J.E. Smith, sometimes known as armyworm, is a serious pest in maize crops. This pest affects maize plants' leaves, resulting in yield losses of up to 79.9%. Entomopathogenic fungi is one alternate method for controlling the pest. Various entomopathogenic fungus can be found in nature, one of which thrives endophytically on plants, such as Trichoderma asperellum. The purpose of this study was to obtain and evaluate T. asperellum's pathogenicity in suppressing S. frugiperda eggs. This investigation used five T. asperellum isolates (A116, PC21, S2D11, SD34, and AB2B3) obtained from diverse plant tissues. S. frugiperda larvae were treated with 2 mL of a conidia suspension containing 108 conidia/mL and sterile distilled water as a control. The observation variables comprised S. frugiperda egg mortality, first-instar larvae mortality, pupae formation percentage, and imago formation percentage. The findings indicated that the endophytic fungus T. asperellum can infect S. frugiperda eggs. The mortality rate for S. frugiperda eggs ranged from 43.27 to 78.34%. The mortality rate of first instar larvae ranged between 36.94% and 60.22%. The application of T. asperellum to S. frugiperda decreased pupae and imago production by 39.78% and 37.87%, respectively. T. asperellum SD324 is the most effective isolate for infecting S. frugiperda eggs. Keywords: endophytes fungus, entomopathogenic fungus, larvae, maize, Spodoptera frugiperda
Virulence of Five Isolates of The Entomopathogenic Fungus, Metarhizium anisopliae, Against Brown Planthopper (Nilaparvata lugens) Trizelia Trizelia; Haliatur Rahma; My Syahrawati
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 7 No. 2 (2023): December 2023
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.7.2.127-133.2023

Abstract

The brown planthopper (Nilaparvata lugens) is one of the main pests of rice plants. This pest attack can cause crop failure or puso. Biological control of this pest can be carried out using the entomopathogenic fungus, Metarhizium anisopliae. The ability of this fungus to control pests is influenced by the source of the isolate. The purpose of this study was to obtain isolates of M. anisopliae, which is virulent to N. lugens. This study used an experimental method with a completely randomized design (CRD) in six treatments and five replications. There were five isolates of M. anisopliae used and one control. M. anisopliae was applied to nymphs and adults of N. lugens with a concentration of 108 conidia/mL. The research revealed that all M. anisopliae isolates tested were virulent against N. lugens nymphs and adults. The most virulent isolate for the two stages of BPH was Met3B, which was collected from the leek rhizosphere. The isolate caused an adult mortality rate of 52%, nymph mortality of 60% in 10 days after application, and adults formed after application was only 37.33%.
Ability of Beauveria bassiana to suppress Colletotrichum truncatum and increase the growth of chili plants (Capsicum annuum) Dini Puspita Yanty; Trizelia Trizelia; Darnetty Darnetty; Jumsu Trisno
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 8 No. 1 (2024): June 2024
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.8.1.42-52.2024

Abstract

Anthracnose is a disease caused by Colletotrichum sp., which can reduce the quality and yield of red chili by 45-60%. This study aimed to determine the ability of different Beauveria bassiana isolates to control anthracnose in chili. The research employed a Randomized Block Design (RBD) consisting of 6 treatments and 5 replications. The treatments included a control and 5 different B. bassiana isolates (PD114, TD312, WS, BbKo, KT2B21). The observed variables included incubation period, disease incidence and severity, plant height, number of leaves, flowering time, and chili fruit weight. The results showed that the application of different B. bassiana isolates have effectively inhibited the development of Colletotrichum truncatum, which caused anthracnose in chili. B. bassiana has demonstrated the ability to prolong the incubation period of C. truncatum (5.40 days) and reduce the percentage of disease incidence (16%). Furthermore, the application of B. bassiana increased the height of chili plants (40.40 cm) and the number of leaves (32 leaves), accelerated the flowering time (42.80 days), and boosted chili production (178.25 g). The WS and TD312 isolates revealed the most significant results. Although the severity of the disease was not impacted, the 2 isolates provided notable agronomic benefits to the chili plants.
The Effect of Entomopathogenic Fungi Combinations on the Growth and Production of Corn ( Zea mays L.) Indri Yanil Vajri VAJRI; Trizelia; Haliatur Rahma; Yusniwati
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 2 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 2 Mei 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i2.5434

Abstract

Entomopathogenic fungi (CEPs) possess dual potential as biological control agents and endophytes that modulate plant physiological processes. Single applications of CEPs often provide suboptimal protection and growth support, necessitating a synergistic, interspecies combination approach. This study aimed to evaluate the effects of single and combined inoculations of CEPs on the growth, chlorophyll content, and yield components of shelled corn (Zea mays L.). A Randomized Block Design (RBD) with eight treatments and four replications was employed. The treatments included Beauveria bassiana (BBWS), Metarhizium anisopliae (B22C), and Trichoderma asperellum (A116), applied singly or in combination via seed soaking for six hours. Sterile distilled water served as the control. Observed parameters included plant growth, leaf chlorophyll content, and yield components. Data were analyzed using Analysis of Variance (ANOVA), followed by the Least Significant Difference (LSD) test at the 5% significance level. Results indicated that fungal inoculation had no significant effect on corn vegetative growth six weeks after planting. However, the combination of B. bassiana and M. anisopliae produced the highest total chlorophyll content (1,101 μg g⁻¹), whereas single inoculations decreased chlorophyll levels, likely due to carbon costs during the initial phase of endophyte colonization. Importantly, the combination of M. anisopliae and T. asperellum yielded the highest number of kernels per ear, ear weight, and 100-kernel weight. This research advances previous studies by demonstrating that synergistic fungal combinations effectively mitigate early-phase carbon costs, thereby maximizing crop yields compared to single applications. Therefore, the combination of M. anisopliae and T. asperellum is recommended as a biofertilizer formula and biocontrol agent for sustainable corn kernel production.
Co-Authors . Herviyanti A. Rauf A.A. Ketut Agung Cahyawan W Afrima Sari Ahsol Hasyim Aina Mardiah Alfons Dwi Putra Butar-Butar Ananda, Hal Adi Fikri Aprilia, Puja Armansyah Armansyah Ayubi Alfasiri Beatrix Sofranes Napitupulu Benni Satria Cherly Yugu Tanca Damayanti, Elok Darnetty Darnetty Darnetty Didik Harnowo Dina Ernawati Dini Puspita , Yanty Dini Puspita Yanty Duma Putri Tama ENIE TAURUSLINA AMARULLAH Eri Sulyanti Eri Sulyanti Febriza Yusra Andini Ferry Lismanto Syaiful Firdos Nurdin Fortus, Sernan Entierro Gatut Wahyu Anggoro Susanto Haliatur Rahma, Haliatur Hasmiandy Hamid Hayati, PK Dewi Hendra, Yolma Hidayatullah, Annisa Husnil Barokah I Nyoman Widiarta Ika Listiana Indra Dwipa Indri Yanil Vajri Indri Yanil Vajri Indri Yanil Vajri Indri Yanil Vajri Indri Yanil Vajri Jumsu , Trisno Jumsu Trisno KRISTINA, NILLA L. I. Sudirman Lisdar Idwan Sudirman Liswarni, Yenny Made Jana Mejaya, Made Jana Magdalena , Saragih Magdalena Saragih Magdalena Saragih Magdalena Saragih Saragih Marida Santi Yudha Ika Bayu, Marida Santi Yudha Ika Martinius Martinius Martinius Martinius Martinius Martinius Munzir Busniah MY SYAHRAWATI Nasution, Lita Natasya, Resva Lira Netti Herawati Noveriza Hermeria Noveriza Hermeria NOVRI NELLY Nuraida Nuraida Nurbailis Nurbailis Peuo, Vibol Qorry Syuhadah Raesi, Syahyana RAUF, AUNU Reflin Reflin Reflinaldon Retna Astuti Kuswardani Rusdi Rusli Rusdi Rusli Rusdi Rusli Rusdi Rusli S. Sosromarsono Saipul Sihotang Saputra, Nanda Saragih, Magdalena SEMPURNA GINTING Siska Efendi Soemartono Sosromarsono Sri Wahyuni Indiati SUCI HERMANDA Sulyanti, Eri Sutoyo Sutoyo SYAHRAWATI, MY T. Santoso Tama, Duma Putri Tanca, Cherly Yugu UJANG KHAIRUL Warnita WINARTO Winarto Winarto Winarto Winarto Winarto Winarto Yadi Suryadi YAHERWANDI YAHERWANDI Yolma Hendra Yuliana, Anita Yuliantoro Baliadi Yulmira Yanti YUNISMAN . Yunisman Yunisman YUSMANI PRAYOGO Yusniwati Yusniwati Yusniwati