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Fakultas Pertanian, Universitas Andalas
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Effect of several types of endophytic fungi isolates Beauveria bassiana in suppressing seed-borne pathogens Colletotrichumspp Dini Puspita , Yanty; Trizelia; Darnetty; Jumsu , Trisno
Jurnal Online Pertanian Tropik Vol. 8 No. 2 (2021): JURNAL ONLINE PERTANIAN TROPIK
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (674.793 KB) | DOI: 10.32734/jopt.v8i2.6520

Abstract

Anthracnose is one of the most important seed-borne diseases in chili plants because this disease can reduce the quantity and quality of chilies and cause substantial economic losses. The aim of this study was to obtain the best isolates from various types of endophytic fungi Beauveria bassiana in suppressing the growth of pathogens. chili seed borne disease caused by the fungus Colletotrichum spp. The design used in this study was a completely randomized design (CRD) consisting of 6 treatments. The treatments consisted of control and 5 types of B. bassiana isolates (PD114, TD312, WS, BbKo, KT2B23). Parameters observed in this study were chili seeds that were attacked by Colletotrichum spp., normal seed germination on paper-to-paper test, length of plumule and radicle. Results. The study showed that different types of B. bassiana isolates could reduce the attack rate of seed-borne pathogenic fungi Colletotrichum spp. KT2B23 isolate was the best isolate in suppressing chili seed-borne pathogens.
Ability of Beauveria bassiana to suppress Colletotrichum truncatum and increase the growth of chili plants (Capsicum annuum) Yanty, Dini Puspita; Trizelia, Trizelia; Darnetty, Darnetty; Trisno, Jumsu
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.
PEMBERDAYAAN KELOMPOK TANI MELALUI PELATIHAN PENGENDALIAN HAMA DAN PENYAKIT TANAMAN KAKAO DI KANAGARIAN CAMPAGO KABUPATEN PADANG PARIAMAN Ujang Khairul; Trizelia Trizelia; Reflin Reflin
BULETIN ILMIAH NAGARI MEMBANGUN Vol. 1 No. 4 (2018)
Publisher : LPPM (Institute for Research and Community Services) Universitas Andalas Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/bina.v1i4.41

Abstract

Training on methods of pests and diseases management in cocoa plants has been conducted in the Nagari Campago, Kecamatan V Koto Kampung Padang Pariaman. The aims of this activity was to empower farmer groups through increasing the knowledge of cocoa farmers about cultivation and pests and diseases management attacked of cocoa plant, this activity consists of socialization, counseling and field practice. Evaluations carried out before and after training related to farmers' knowledge about cultivation and pests and diseases in cocoa. The results of the activity show that: (a) the level of pests and diseases in cocoa plantations in this area is quite high (55% dan 65%), (b) farmers have not good cultivated on cocoa, (c) farmers do not understand abaut pests and diseases that attack their cocoa and do not understand the methods for controlling pests and diseases. This activity has increased farmers' knowledge about the cultivation and management of pests and diseases in cocoa plants.
Endophytic Fungus Trichoderma asperellum's Virulence on Spodoptera frugiperda J. E. Smith (Lepidoptera, Noctuidae) Eggs Alfasiri, Ayubi; 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
Isolation, Morphological Characterization, Biochemistry, and Antagonistic Activity of Endophytic Bacteria from Rice Against Xanthomonas oryzae pv. Oryzae Sihotang, Saipul; Butar-Butar, Alfons Dwi Putra; Nasution, Lita; Rahma, Haliatur; Trizelia, Trizelia; Saragih, Magdalena; Kuswardani, Retna Astuti; Listiana, Ika; Napitupulu, Beatrix Sofranes
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.
VIRULENSI EMPAT ISOLAT Beauveria bassiana Bals. Vuill TERHADAP WERENG BATANG COKLAT (Nilaparvata lugens Stall.) Hendra, Yolma; Trizelia, Trizelia; Syahrawati, My
Agros Journal of Agriculture Science Vol 24, No 2 (2022): edisi Juli
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v24i2.1985

Abstract

Wereng batang coklat atau WBC (Nilaparvata lugens Stal.) merupakan hama penting yang menyebabkan rendahnya produksi tanaman padi. Pengendalian hama ini dapat dilakukan dengan pemanfaatan agens hayati. Salah satunya cendawan entomopatogen Beauveria bassiana (Bals.) Vuill. Tujuan penelitian adalah untuk mempelajari virulensi empat isolat B. bassiana terhadap WBC. Penelitian disusun dalam Rancangan Acak Lengkap (RAL) dengan 5 perlakuan dan 5 ulangan. Perlakuan terdiri dari empat isolat B.bassiana yaitu: BbJg, BbWS, Pb211, Td312 dan kontrol. Konsentrasi B. bassiana yang digunakan adalah 108  konidia/ml. Data yang didapat diolah dengan menggunakan sidik ragam atau analisis of variance (ANOVA), dan dilanjutkan dengan uji LSD taraf nyata 5%. Hasil penelitian menunjukkan bahwa solat BbWS memiliki virulensi tertinggi dengan mortalitas nimfa (78,67%) dengan LT50 5,45 hari. Isolat B. bassiana mempengaruhi jumlah imago WBC terbentuk isolat BbWS 21.33%. Virulensi B. bassiana terhadap WBC dipengaruhi oleh jenis isolat dan sumber isolat yang digunakan.
Aplikasi Cendawan Entomopatogen Beauveria bassiana pada Benih Bawang Merah dan Pengaruhnya Terhadap Perkecambahan dan Pertumbuhan Bibit Yuliana, Anita; Trizelia, Trizelia; Sulyanti, Eri
Jurnal Sains Agro Vol 8, No 2 (2023): Jurnal Sains Agro
Publisher : Universitas Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36355/jsa.v8i2.1164

Abstract

Beauveria bassiana (Balsamo) Vuill merupakan salah satu cendawan entomopatogen yang telah dimanfaatkan untuk mengendalikan berbagai jenis serangga hama. Cendawan ini juga mampu menghasilkan hormon tumbuh sehingga dapat meningkatkan perkecambahan benih dan pertumbuhan tanaman. Tujuan penelitian ini adalah untuk mengetahui pengaruh aplikasi cendawan B. bassiana terhadap daya kecambah benih dan pertumbuhan bibit bawang merah.  Ada lima isolat B. bassiana yang digunakan.  Benih bawang merah direndam dalam suspensi konidia B. bassiana selama 10 jam dengan konsentrasi 1x108 konidia/ml. Hasil penelitian menunjukkan bahwa semua isolat B. bassiana mampu meningkatkan perkecambahan benih bawang merah dan persentase bibit muncul lapang.  Selain itu, perendaman benih bawang merah dengan cendawan B. bassiana juga mampu meningkatkan pertumbuhan panjang akar tanaman bawang merah dan mempercepat perkecambahan benih bawang merah. 
Eksplorasi Populasi dan Kepadatan Genus Nematoda Parasit pada Rizosfir Tanaman Kopi di Kota Solok, Sumatera Barat: Exploration of Population and Density of Parasitic Nematode Genus in Coffee Plant Rhizom in Solok City, West Sumatra Tama, Duma Putri; Winarto; Trizelia
Jurnal Riset Perkebunan Vol. 5 No. 1 (2024): Jurnal Riset Perkebunan (JRP)
Publisher : Jurusan Budidaya Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jrp.5.1.1-10.2024

Abstract

Coffee is a plantation crop that has high economic value among other plantation crops and plays an important role as a source of foreign exchange for the country. The decline and low productivity of coffee plants in coffee production centers in Solok City, West Sumatra is one of the causes of plant parasitic nematode attacks. This nematode attack causes disrupted plant growth and reduces the value of crop production both in quantity and quality. This study aims to determine the diversity and population density of parasitic nematodes in the rhizosphere of coffee plants in Solok City, West Sumatra. This research was conducted from March to July 2023 at the Laboratory of Biological Control, Department of Plant Protection, Faculty of Agriculture, Andalas University. Soil samples were taken in two central areas of coffee plantations in Solok City, West Sumatra. In the rhizosphere of coffee plants in Solok City, four genera of parasitic nematodes were found, namely: the genera Pratylenchus, Helicotylenchus, Meloidogyne, Rotylenchulus, Paratylenchus, and Tylenchorhynchus. The highest frequency of presence of nematodes, namely the genus Rotylenchulus, was 50.99 belonging to the medium category in Jorong Kayu Aro, and 44.80 in the rare category in Jorong Kayu Jao.
Karakterisasi Fisiologi Beberapa Isolat Cendawan Entomopatogen Beauveria bassiana Dan Virulensinya Terhadap Spodoptera litura Trizelia, Trizelia; Nelly, Novri
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 1 No. 1 (2017): June 2017
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.1.1.10-17.2017

Abstract

Penelitian ini bertujuan untuk mempelajari karakter fisiologi isolat B. bassiana yang berasal dari berbagai inang dan virulensinya terhadap Spodoptera litura. Lima isolat B. bassiana yang diuji diisolasi dari hama Leptocorisa oratorius (F.) dan Hypothenemus hampei (Ferr.), rizosfer tanaman bawang daun buah kakao dan batang gandum. Karakter fisiologi yang diamati adalah daya kecambah konidia, pertumbuhan koloni, dan sporulasi, Cendawan diperbanyak pada media SDAY dan uji virulensi dilakukan terhadap larva instar II S. litura. Hasil penelitian menunjukkan bahwa daya kecambah konidia, pertumbuhan koloni dan sporulasi bervariasi antar isolat. Isolat B. bassiana yang diisolasi dari L. oratorius dan buah kakao memiliki karakter fisiologi yang lebih baik dibandingkan dengan isolat lain. Kedua isolat ini juga lebih virulen terhadap larva instar II S. litura dengan mortalitas sebesar 80 – 81,67%.
Virulensi Cendawan Entomopatogen Beauveria bassiana terhadap Spodoptera litura (Lepidoptera: Noctuidae) Setelah Dipaparkan dengan Sinar Ultra Violet: english Trizelia, Trizelia; Nurbailis, Nurbailis; Tanca, Cherly Yugu
Jurnal Proteksi Tanaman (Journal of Plant Protection) Vol. 2 No. 2 (2018): December 2018
Publisher : Plant Protection Department, Faculty of Agriculture, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jpt.2.2.58-64.2018

Abstract

Beauveria bassiana is one of the entomopathogenic fungi to control various kinds of insect pests. Virulence of B. bassiana against insects could be affected by ultraviolet (UV) light. The study was aimed to determine the effect of different times of UV light exposure to B. bassiana against Spodoptera litura. The study was arranged in a Completely Randomized Design (CRD) with six different times of UV light exposure (control, 0, 15, 30, 45, 60 minutes) in four replications, respectively. Those B. bassiana were inoculated on the second instar of larvae of S. litura. The parameters observed were colony growth of B. bassiana, conidial germination, larval mortality, percentage of pupae, and adults formed. The data were analyzed by analysis of variance and LSD test at the 5% significance level. The results showed that exposure of B. bassiana to UV light reduced its germination but not inhibit the growth of B.bassiana. The exposure for 45 minutes and 60 minutes increased the virulence of B. bassiana that indicated by an increase of S.litura mortality (15.0-62.5%) and shorter LT50 (6.29-10.92).
Co-Authors A. Rauf A.A. Ketut Agung Cahyawan W Afrima Sari Ahsol Hasyim Aina Mardiah Alfasiri, Ayubi Armansyah Armansyah Benni Satria Butar-Butar, Alfons Dwi Putra Cherly Yugu Tanca Damayanti, Elok Darnetty Darnetty Darnetty Darnetty, Darnetty Dina Ernawati Dini Puspita , Yanty Duma Putri Tama Eri Sulyanti Febriza Yusra Andini Ferry Lismanto Syaiful Firdos Nurdin Haliatur Rahma, Haliatur Hasmiandy Hamid Hayati, PK Dewi Hendra, Yolma Herviyanti Herviyanti Husnil Barokah Ika Listiana Indra Dwipa Indri Yanil Vajri Indri Yanil Vajri Indri Yanil Vajri Jumsu , Trisno Jumsu Trisno L. I. Sudirman Lisdar Idwan Sudirman Liswarni, Yenny Magdalena , Saragih Magdalena Saragih Magdalena Saragih Saragih Martinius Martinius Martinius Martinius Munzir Busniah MY SYAHRAWATI Napitupulu, Beatrix Sofranes Nasution, Lita Netti Herawati Noveriza Hermeria NOVRI NELLY Nuraida Nuraida Nurbailis Nurbailis Qorry Syuhadah Raesi, Syahyana RAUF, AUNU Reflin Reflin Retna Astuti Kuswardani Rusdi Rusli Rusdi Rusli Rusdi Rusli S. Sosromarsono Saipul Sihotang Saragih, Magdalena Soemartono Sosromarsono Sulyanti, Eri Sutoyo Sutoyo SYAHRAWATI, MY T. Santoso Tama, Duma Putri Tanca, Cherly Yugu UJANG KHAIRUL Vajri, Indri Yanil Warnita WINARTO Winarto Winarto Winarto Winarto Winarto Winarto Yanty, Dini Puspita Yenny Liswarni Yolma Hendra Yuliana, Anita Yulmira Yanti Yunisman Yunisman Yusniwati Yusniwati Yusniwati