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All Journal Jurnal Fitopatologi Indonesia Agrikultura JURNAL ILMU PERTANIAN Biology, Medicine, & Natural Product Chemistry JURNAL AGRILAND JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA JPT : JURNAL PROTEKSI TANAMAN (JOURNAL OF PLANT PROTECTION) AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Jurnal Hilirisasi IPTEKS (JHI) Jurnal Agronomi Tanaman Tropika (JUATIKA) Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks Jurnal AGRISEP: Kajian Masalah Sosial Ekonomi Pertanian dan Agribisnis Andalasian International Journal of Entomology Biodiversitas Journal of Biological Diversity
Haliatur Rahma, Haliatur
Universitas Andalas
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Dentistry Economics, Econometrics & Finance Engineering Environmental Science Health Professions Medicine & Pharmacology Public Health Social Sciences Veterinary Other

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DISEMINASI PGPR SEBAGAI BIOAKTIVATOR DEKOMPOSISI BAHAN ORGANIK DI KELOMPOK USAHA TANI NAGARI SUNGAI ABANG KECAMATAN LUBUK ALUNG KABUPATEN PADANG PARIAMAN Haliatur Rahma; Indra Dwipa; Agustian Agustian; Yaherwandi Yaherwandi; Reflinaldon Reflinaldon; Jumsu Trisno; Armansyah Armansyah; Gusmini Gusmini; Afrima Sari; Ryan Dwi Setyawan; Rika Hariance; Dede Suhendra
Jurnal Hilirisasi IPTEKS Vol 6 No 2 (2023)
Publisher : LPPM Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jhi.v6i2.625

Abstract

Nagari Sungai Abang is one of the areas in Lubuk Alung District, one of the rice production centers in Padang Pariaman Regency. One farming group that intensively cultivates rice is the Farming Business group. The problem with the farmer groups is their ignorance of the benefits of straw as a source of organic matter in the soil. The composting process is long, so farmers always burn rice straw after harvest in preparation for planting the following season. If the burning of straw is carried out continuously, it is feared that nutrients will be deficient in the soil. This activity aims to empower Farming Business groups in Nagari Sungai Abang, Lubuk Alung District, to utilize Plant Growth Promoting Rhizobacteria (PGPR) as a bio activator in making straw compost as organic fertilizer and an alternative to addressing the problem of straw waste in Nagari Sungai Abang, Lubuk Alung. This activity has been carried out in the Farming Group of Farmers in Sungai Abang Dalam Nagari Sungai Abang, Lubuk Alung District, Padang Pariaman Regency. The method used is outreach, counseling, and training to demonstrate making PGPR suspension and compost from straw. From the activities that have been carried out, ready-to-use PGPR is obtained as a bio activator reproduced in coconut water media and used as a bio activator to speed up the composting process. The conclusion of this activity is increasing farmers' understanding of the benefits of straw as a raw material for compost and the use of PGPR as a bioactivator in making straw compost.
Eksplorasi dan Karakterisasi Rizobakteri untuk Mengendalikan Jamur Fusarium fujikuroi secara In vitro Rahma, Zola Puti; Rahma, Haliatur; Sulyanti, Eri
Jurnal Proteksi Tanaman Vol 8 No 2 (2024): December 2024
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.8.2.123-137.2024

Abstract

Rhizobacteria is bacteria that found in the root zone of plants. Rhizobacteria can act as biocontrol agents against Fusarium fujikuroi, the fungus that causes bakanae disease in rice plants. This study aimed to obtain rhizobacteria isolates from the roots of rice plants and to determine their characteristics as biocontrol agents against F. fujikuroi in vitro. This research consisted of two stages: 1) Exploration of rhizobacteria from the roots of rice plants in Padang City, West Sumatera, Indonesia and 2) Antagonistic character of Rhizobacteria against F. fujikuroi in vitro including: antagonistic test, hydrolytic enzyme production test (protease, amylase, and chitinase), and HCN compound production test. Based on the research, 32 rhizobacterial isolates were obtained as candidates for biological agents. All rhizobacterial isolates can suppress the growth of Fusarium fujikuroi in vitro with an inhibition percentage of 19.43-73.53%. The 4 best isolates in suppressing the growth of Fusarium fujikuroi are Kr 2.2 from Kuranji, KG 2.2 from Korong Gadang, PA 2.1 and PA 1.2 from Pasar Ambacang with an inhibition percentage of 60.39-73.53%. The four isolates are also able to produce hydrolysis enzymes (protease, amylase and chitinase) and HCN compounds
KAJIAN TEKNO EKONOMI PAKET TEKNOLOGI BAKTERI PERAKARAN PEMACU PERTUMBUHAN TANAMAN (BP3T) PUPUK KANDANG DAN NANO PESTISIDA SERAI WANGI PADA USAHA TANI KAKAO DI KABUPATEN LIMA PULUH KOTA Wahyuni, Sri; Rahma, Haliatur; Trisno, Jumsu; Martinius, Martinius; Noveriza, Rita; Reflin; Yuliani, Sri; Nusyirwan, Nusyirwan; Nefri, Jhon
Jurnal AGRISEP JURNAL AGRISEP VOL 19 NO 01 2020
Publisher : Badan Penerbitan Fakultas Pertanian, Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (624.533 KB) | DOI: 10.31186/jagrisep.19.1.68-82

Abstract

Plant Growth Promoting Rhizobacteria (PGPR) plus manure technology is designed to control the vascular streak dieback disease (VSD) which attacks cocoa plants, and improve the plant growth. This research aims to compare the cost of using conventional manure and PGPR plus manure technology. This research was designed in a descriptive quantitative approach using cencus data of 43 people who use PGPR plus manure in Kabupaten Limapuluh Kota. The result shows that the conventional fertilizer costs is more expensive than the PGPR plus manure formula. Therefore, it PGPR plus manure formula is recommended for the cacao farmers in Kabupaten Limapuluh Kota.
Bahasa Indonesia: English Rahma, Haliatur; Winarto, Winarto; Akbar, Fajar
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 3 No. 2 (2019): December 2019
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.3.2.75-84.2019

Abstract

Plant Growth Promoting Rhizobacteria (rhizobacteria)) is a soil bacterium that lives in the root region (rhizosphere), actively colonizes plant roots, can suppress pathogens, and increase plant growth. This study aims to obtain rhizobacterial isolates that have the potential to suppress cob rot disease in planta or in vitro and increase the growth of corn plants. This study used a randomized block design (RBD) for in planta with 15 rhizobacterial treatments, positive control (without F. verticillioides inoculation), and negative controls (F. verticillioides inoculation). Each procedure was repeated three times, and each replication consisted of 3 plants. In vitro testing using a Completely Randomized Design (CRD) with 15 rhizobacterial treatments and one control. Each repeated three times. Data were analyzed using variance analysis, if significantly different, continued with Duncan's New Multiple Range Test (DNMRT) at a 5% level. The results showed that LA2MKB 5.2 isolate was the isolate that had the best ability to suppress the development of F. verticillioides in planta with total effectiveness of 90.14%. LMTSA 5.4 isolate is the isolate that has the highest percentage of inhibition of dual culture in its ability as an antagonist of F. verticillioides in vitro, which is 7.20%.
Bahasa Indonesia: english Putri, Wahyuni Eka; Winarto, Winarto; Rahma, Haliatur
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 4 No. 2 (2020): December 2020
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.4.2.52-63.2020

Abstract

Anthracnose or leaf fall disease caused by Gloeosporium gloeosporioides is a pathogen that attacks cocoa plants during the nursery phase and production. This study aimed to obtain the best rhizobacteria, which can induce cocoa seeds resistance to anthracnose and increase seedling growth. The study was conducted in a greenhouse, Faculty of Agriculture, Universitas Andalas, in 2019, using a randomized block design with 32 treatments and three replications. The treatments were the different isolates, sourced from Guguak (GK1, GK2, GK3), Akabiluru (AK1, AK2), Lubuk Minturun (LM1, LM2), Tanjung Alai (TA1, TA2, Ta3, TA4, TA5, TA6, TA7, TA8 , TA9, TA10, TA11, TA12, TA13, TA14, TA15, TA16, TA17, TA18), Singkarak (SK1, SK2, SK3, SK4, SK6), and two controls. The results showed that AK2 isolates from Akabiluru could suppress the development of anthracnose and support the growth of cocoa seedlings. The application of AK2 isolates was able to extend the incubation period of G. gloeosporioides, reduce the incidence of disease and the rate of disease infection, and help increase the number of areas and leaf numbers.Keywords: Anthracnose, cocoa seedling, Gloeosporium gloeosporioides, plant induction, Rhizobacteria
Potensi Plant Growth-Promoting Bacteria Menekan Cucumber mosaic virus pada Tanaman Mentimun: The Potential of Plant Growth-Promoting Bacteria to Suppress Infection of Cucumber mosaic virus on Cucumber Plants Ridho, Muhammad Arif; Rahma, Haliatur; Martinius; Trisno, Jumsu
Jurnal Fitopatologi Indonesia Vol. 21 No. 1 (2025): Maret 2025
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.21.1.38-50

Abstract

The Potential of Plant Growth-Promoting Bacteria to Suppress Infection of Cucumber mosaic virus on Cucumber Plants Mosaic disease caused by Cucumber mosaic virus (CMV) is one of the main diseases of cucumber plants, and is economically important. Plant growth-promoting bacteria (PGPB) are plant root organisms currently being developed as biological agents. This research aims to obtain the best PGPB that can suppress the development of CMV in cucumber plants. This research used a randomized block design with nine treatments and five replications. The treatments consisted of several isolates of PGPB (Serratia marsescens AR1, Alcaligenes faecalis AJ14, Stenotrophomonas pavanii KJKB 5.4, Pseudomonas fluorescens LPK1–9, Bacillus cereus AJ 34, and S. maltophilia LMTSA 5.4), orthohydroxybenzoic acid (salicylic acid), positive control, and negative control. Application of PGPB was conducted through seed treatment of cucumber seeds for 15 minutes before planting. The mosaic virus was mechanically inoculated on cucumber cotyledons seven days after planting. The variables observed were the development of mosaic disease and the growth of cucumber plants. Virus detection using specific primer pair CMV-IF/CMV-IR showed that the virus that infected cucumber plants had 98.3% similarity to the CMV isolate originating from India with accession number KJ874248.1. Pseudomonas fluorescens LPK1-9 is the best bacteria for slowing the incubation period, reducing the percentage of infected leaves, and reducing the severity of mosaic disease on cucumber plants. None of tested PGPB isolates that has the potential to increase the growth of CMV-infected cucumber plants. Therefore, further studies are needed on the effectiveness of the PGPB, such as improving how PGPB is applied.
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.
Potensi Konsorsium Rizobakteri untuk Pengendalian Penyakit Bercak Daun Bersudut (Pseudomonas syringae pv. lachrymans) serta Peningkatan Pertumbuhan dan Hasil Tanaman Mentimun (Cucumis sativus L.) Sufia, Yolanda; Rahma, Haliatur; Resti, Zurai
Jurnal Agrikultura Vol 37, No 1 (2026): April, 2026
Publisher : Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/agrikultura.v37i1.67560

Abstract

Pseudomonas syringae pv. lachrymans (Psl) merupakan bakteri patogen penyebab penyakit bercak daun bersudut pada mentimun (Cucumis sativus L.) yang dapat menurunkan produksi secara signifikan. Salah satu alternatif pengendalian ramah lingkungan adalah melalui penggunaan konsorsium rizobakteri. Penelitian ini bertujuan untuk memperoleh konsorsium rizobakteri terbaik dalam menekan perkembangan penyakit bercak daun bersudut serta meningkatkan pertumbuhan dan hasil tanaman mentimun. Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan tujuh perlakuan, terdiri atas enam perlakuan konsorsium rizobakteri dan  kontrol. Kontrol digunakan sebagai pembanding baik untuk parameter penyakit (tanpa konsorsium, diinokulasi patogen) maupun pertumbuhan tanaman (tanpa konsorsium dan tanpa inokulasi patogen), masing-masing dengan tiga ulangan dan tiga unit percobaan. Perlakuan terdiri atas konsorsium (RKKL 1.2 + RKKL 1.3), (RKKL 1.2 + RKPAL 1.2), (RKKL 1.2 + RPKKL 1.1), (RKKL 1.3 + RPKKL 1.1), (RKPAL 1.2 + RPKKL 1.1), serta (RKKL 1.2 + RKPAL 1.2 + RPKKL 1.1). Benih mentimun direndam dalam suspensi konsorsium rizobakteri berkepadatan 10⁸ sel/ml selama 15 menit sebelum tanam. Inokulasi patogen Psl dilakukan pada tanaman berumur 15 hari setelah tanam dengan kepadatan 10⁸ sel/ml. Parameter yang diamati meliputi perkembangan penyakit (masa inkubasi, kejadian, dan keparahan penyakit), pertumbuhan (tinggi tanaman, jumlah daun, dan waktu muncul bunga pertama), serta hasil tanaman (bobot buah). Hasil penelitian menunjukkan seluruh konsorsium rizobakteri mampu menekan perkembangan penyakit dan meningkatkan pertumbuhan serta hasil mentimun. Konsorsium RKKL 1.2 + RKPAL 1.2 + RPKKL 1.1 merupakan perlakuan terbaik dengan keparahan penyakit 3,15% dengan tingkat hambat relatif penyakit 71,95%, tinggi tanaman 157,22 cm (peningkatan 15,69%), dan bobot buah 411,55 g (peningkatan 164,95%).
The Potential Of Endophytic Bacteria From Rice Seeds To Control Bacterial Grain Rot (Burkholderia glumae) In Rice Plants Mutiara Septu; Jumsu Trisno; Haliatur Rahma Rahma
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 10 No 1 (2026): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/agrosainstek.v10i1.975

Abstract

Bacterial grain rot is one of the diseases caused by the bacterium Burkholderia glumae in the rice plant. This disease can cause a 40% loss in rice crop yield. One technique for controlling this disease is to use biological control agents, specifically endophytic bacteria. The study aimed to obtain endophytic bacterial isolates that can potentially suppress grain rot disease (B. glumae) in rice plants. The study was conducted experimentally using a completely randomized design (CRD) with 13 treatments and three replicates, each consisting of 2 experimental units. The treatments consisted of endophytic bacterial isolates BMI31, BMI33, ADI34, ADI35, ADI37, KKI35, KKI36, BI31, BI33, BI34, BI41, BPI41, a positive and a negative control. Endophytic bacteria were introduced into rice seeds and roots 21 days after sowing, while B. glumae was inoculated into rice plants at 45 days after sowing. The results of the study indicate that the endophytic bacteria with potential to control the development of bacterial grain rot disease in rice plants are isolates BMI33 and ADI35, with disease severity levels of 30.74%– 32.64% and effectiveness of 49.55–52.48%, AUDPC values of 293.99-351.95, and a percentage of disease development suppression effectiveness of 60.73%- 70.61%. The results show that endophytic bacterial isolates have the potential to become biological control agents.
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.
Co-Authors , Giyanto . Giyanto . Gusmini . Reflinaldon Afrima Sari Agustian Agustian Agustian Agustian Akmal Djamaan Alfons Dwi Putra Butar-Butar Aprizal Zainal Armansyah Armansyah Arneti Arneti Beatrix Sofranes Napitupulu Darnetty Darnetty Dede Suhendra Dede Suhendra Elfitri Syahdia Eri Sulyanti Eri Sulyanti FADHILA RAHMI Fajar Akbar Fauzan Abid Hanif Nasution Hasmiandy Hamid Ika Listiana Indra Dwipa Indri Yanil Vajri Indri Yanil Vajri Indri Yanil Vajri Indri Yanil Vajri Indri Yanil Vajri Jhon Nefri Jumsu Trisno Liswarni, Yenny Magdalena Saragih Martinius Martinius Martinius Martinius Martinius Martinius Martinius Martinius Martinius Martinius Martinius MARTINIUS MARTINIUS Meity S Sinaga Meity S Sinaga, Meity S Memen Suharman, Memen Memen Surahman Munzir Busniah Mutiara Septu MY SYAHRAWATI Nasution, Lita Nefri, Jhon NILA KRISTINA NILA KRISTINA Noveriza Hermeria Noveriza Hermeria Nurbailis Nurfitri Sari Nurhaliza Nurhaliza Nusyirwan Nusyirwan Nusyirwan Nusyirwan Nusyirwan Nusyirwan Putri, Wahyuni Eka Rahma, Zola Puti Reflin Reflin Reflin Reflin Reflin Reflin Retna Astuti Kuswardani Ridho, Muhammad Arif Rika Hariance Rika Hariance RIKI WARMAN RITA NOVERIZA Rita Noveriza Rita Noveriza Rusdi Rusli Rusdi Rusli Ryan Dwi Setyawan Ryan Dwi Setyawan Ryan Hidayat Saipul Sihotang Sandra Desiska Silvia Oktaviani Sri Wahyuni Sri Wahyuni Sri Wahyuni Sri Yuliani Sri Yuliani Sufia, Yolanda Sulyanti, Eri Sulyanti, Eri Suryati . Tre Julia Nasral Trizelia UJANG KHAIRUL Wahyuni Eka Putri Winarto Winarto Winarto Winarto Winarto Winarto Yaherwandi Yaherwandi Yaherwandi Yulmira Yanti YUMBA LARASATI YUNISMAN . Yunisman Yunisman Yusniwati Yusniwati Zola Puti Rahma Zurai Resti