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Journal : Dinamika Pertanian

Toleransi Fungisida sebagai Determinan Kompatibilitas Pengendalian Hayati: Studi dari Streptomyces xiangtanensis NBSP3F dan Trichoderma asperellum G-4274-1: Fungicide Tolerance as a Determinant of Biocontrol Compatibility: Insights from Streptomyces xiangtanensis Strain NBSP3F and Trichoderma asperellum Strain G-4274-1 Iskandar, Mhd Fiqry; Izzati, Salwa; Khairunnisa, Puti; Rinaldi, James; Saputra, Nanda; Ramadhan, Muhammad Hafizt; Albana, Hasan
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).28065

Abstract

Background: The intensive and prolonged use of synthetic fungicides, particularly mancozeb, exerts selective pressure on non-target microbial communities, potentially promoting the emergence of tolerant populations. Therefore, biocontrol agents that remain effective under such chemical stress are needed. Objective: This study aimed to evaluate the tolerance responses of Streptomyces xiangtanensis NBSP3F and Trichoderma asperellum G-4274-1 to mancozeb exposure across a gradient of concentrations. Methods: The experiment was conducted in vitro using a poisoned food technique at six concentrations (0%, 1%, 2%, 3%, 4%, and 5%) with six replications. Tolerance of S. xiangtanensis was assessed qualitatively based on colony growth, while T. asperellum was quantitatively evaluated using mycelial radial growth and growth inhibition metrics. Results: Results showed a concentration-dependent suppression of growth in both isolates. S. xiangtanensis maintained complete growth (100%) at 0–1% concentrations, decreased to 75% at 2–3%, 50% at 4%, and 25% at 5%. T. asperellum exhibited stable growth (90–100%) at 0–2%, moderate reduction (70–72.5%) at 3–4%, and a decline to 45% at 5%. Comparatively, T. asperellum showed higher physiological resilience than S. xiangtanensis under intermediate to high fungicide stress, though both isolates had reduced adaptability at the highest concentration. Conclusions: These findings indicate species-specific differences in adaptive capacity to multisite fungicidal stress, likely due to variation in metabolic flexibility and stress-response mechanisms. Collectively, both isolates demonstrate strong potential as multifunctional biocontrol agents, integrating pathogen suppression, plant growth promotion, and possible roles in pesticide-tolerant biodegradation, offering promising implications for sustainable agroecosystem management.
Co-Authors Abou-Samra, Reem Abubakar Abubakar Afra, Nada Afrianti, Desi Agus Sulaeman AHMAD ANSORI Akbar, Alif Yafi Akyuni, Qurrata Al Mahdi, Al Mahdi ALBANA, HASAN Aman Aman Amiruddin Amiruddin ANDRIANSYAH Anggraini, Sitti Aniati Aniati Arfriani Maifizar Ari Kartiko, Ari Arif, Arifudin M. Ariyana, Ariyana Asister Fernando Siagian Asmaret, Desi Astawinetu, Erwin Dyah Astuti, Meti Asyari (Sekolah Tinggi Agama Islam Sadra Jakarta), Hasyim Auzar, Muhammad Azhariah Rachman Baharuddin, Zubair Bakar, Muhammad Abu Barsihanor, Barsihanor Basri Basri Bertha Mundung Bil Haki, Arif Burhanuddin Burhanuddin Desmita, Nina E. Silalahi, Dumaris Edi Nurhidin Eko Prasetyo Rohmawan ELIHAMI, ELIHAMI Emma Rumahlewang Endang Fatmawati Fadhillah, Fadhillah Fadli, Muhammad Rijal Fazalani, Runi Goziyah, Goziyah gusti handayani, gusti Hari Aspriyono Hartono, Rudi Hayati Hayati Heri Fajri, Heri Husna Amin Iis Juniati Lathiifah Ili, La Ilias, Mohd Faeez Indriani, Berlian Iskandar, Mhd Fiqry Izzati, Salwa Jalianty , Syifah Jasiyah, Rabiyatul Jayawarsa, A.A. Ketut Jems Sopacua Jenny Koce Matitaputty Judijanto, Loso Juliani, Dwi Kamiri, Kamiri KAWAKIP, Akhmad Nurul Khairunnisa, Puti Khoirul Anwar Komariah, Nur Liaunillah, Yasyrifah LUBIS, TASNIM M. Yogi Riyantama Isjoni Magdalena Ngongo Mamadiyarov, Zokir Manurung, Rolan Masrur, Muhamad Melinda Melinda Misnawati, Desy Mufarida, Abdilla Mufarizuddin Muh Nurtanzis Sutoyo Muhammad Aminullah, Muhammad Muhammad Hanif Muhammad Nanang Qosim Musa, Muhajir Niarno, Radya Amkanaki Ningsih, Tri Zahra Nofirda, Fitri Ayu Nores K., Welly Nugroho Susanto Nurainiah Nurjamilah, Ai Siti Nurwahidin, Muhammad Ofianto, Ofianto PANJAITAN, MUKTAR B PRATIWI, SASKIA Purawinangun, Ira Anisa Putra, Purniadi Raden Mohamad Herdian Bhakti Rahman, Azhariah Ramadani, Wanda Ulfia Ramadhan, Muhammad Hafizt Rinaldi, James Rokhman, Mauhibur Rosiana, Shinta Rosmawati Rosmawati Ruhiat, Ruhiat Sakti, La Ode Awal Sanjani, Fenti Saputra, Miswar Sarmadan Sarmadan, Sarmadan Satriawati Satriawati, Satriawati Sentia, Prima Denny Setiawan, Fitria Setiawan, Johan Setiyawan, Dwi Sholikha, Dian Nikmatus Simanjuntak, Narambean Simaremare, Rodia Mestina Sinurat, Bloner Siregar, Christina Anita Elizabeth Solissa, Everhard Markiano Sri Hapsari Wijayanti Sudjito Soeparman Sumarlam Sumarlam, Sumarlam Sunarno Sunarno SURYA AYMANDA NABABAN Sutrisno, Sutrisno Syamsul Arifin Syta, Kayla Zahratus SYUSANTIE SYLFIA SAIRDAMA Thao, Nguyen Van Yuriska, Rizki Tiara Zamroni, M Afif Zetira, Zetira Rizqia Erlin Zul Asri Zulkifli Zulkifli