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All Journal Research Journal of Life Science Journal of Tropical Plant Protection AGRIVITA, Journal of Agricultural Science Jurnal Perlindungan Tanaman Indonesia AGROMIX Viabel : Jurnal Ilmiah Ilmu-Ilmu Pertanian Agro Bali: Agricultural Journal Jurnal Agrinika : Jurnal Agroteknologi dan Agribisnis Agroradix : Jurnal Ilmu Pertanian Jurnal HPT (Hama Penyakit Tumbuhan)
Mintarto Martosudiro
Departemen Hama Dan Penyakit Tumbuhan Fakultas Pertanian Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology

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PENGARUH PLANT GROWTH PROMOTING RHIZOBACTERIA DAN MIKORIZA TERHADAP PENYAKIT REBAH KECAMBAH (Fusarium sp.) DAN KUALITAS BIBIT TEMBAKAU Tashya Angelique Martinez; Mintarto Martosudiro; Fery Abdul Choliq
AGRORADIX : Jurnal Ilmu Pertanian Vol 7 No 2 (2024): Juli 2024
Publisher : Agroteknologi Fakultas Pertanian Universitas Islam Darul 'Ulum (UNISDA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52166/agroteknologi.v7i2.6567

Abstract

Tobacco plants are one of the cultivated plants that have an important role in the agricultural industry and the Indonesian economy. Tobacco cultivation in Indonesia is not free from obstacles that can cause a decrease in the quality and quantity of tobacco. A decrease in the quality and quantity of tobacco can cause a decrease in production. One of the pathogens that causes wilt in seedlings is the fungus Fusarium sp., which is one of the pathogens that causes damping-off disease in tobacco plants. The use of Plant Growth Promoting Rhizobacteria (PGPR) and Mycorrhizal biological fertilizer can be used to increase plant growth and also reduce the incidence of disease. The research was carried out in the Greenhouse and Laboratory belonging to the Agricultural Instrument Standardization Agency - Sweetener and Fiber Crops, Karangploso District, Malang City, East Java Province. The results showed that the combination treatment of PGPR and mycorrhiza (P6) was effective in suppressing disease incidence. A single mycorrhizal treatment with Fusarium inoculation (P4) was an effective treatment in influencing plant height. The combination of PGPR and mycorrhiza with and without inoculation (P6 and P5), is the best treatment because it influences seed quality and disease incidence.
PENGARUH BEBERAPA JENIS DAN DOSIS FUNGISIDA TERHADAP PENYAKIT HAWAR DAUN (Helminthosporium sp.) DAN KEANEKARAGAMAN JAMUR ENDOFIT PADA DAUN TANAMAN JAGUNG (Zea mays L.): THE EFFECT OF SEVERAL TYPES AND DOSES OF FUNGICIDES ON LEAF BLIGHT (Helminthosporium sp.) AND ENDOPHYTIC FUNGI DIVERSITY ON THE LEAVES OF CORN (Zea mays L.) Safitri, Helvira Agita; Martosudiro, Mintarto; Choliq, Fery Abdul
Jurnal HPT (Hama Penyakit Tumbuhan) Vol. 11 No. 4 (2023)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jurnalhpt.2023.011.4.3

Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi/perlakuan beberapa jenis fungisida pada dosis yang berbeda terhadap keanekaragaman jamur endofit dan intensitas penyakit hawar daun (Helminthosporium sp.) pada jagung. Kegiatan penelitian dilaksanakan pada bulan Oktober 2022-Desember 2022 di kebun percobaan PT. BASF, Agrotechnopark Universitas Brawijaya. Berdasarkan hasil penelitian yang telah dilakukan, dapat diketahui bahwa perbedaan dosis yang diaplikasikan sangat berpengaruh terhadap keanekaragaman jamur endofit pada daun tanaman jagung. Hasil penelitian menunjukkan bahwa nilai keanekaragaman jamur endofit yang tertinggi yaitu pada perlakuan epoxiconazole+ pyraclostrobin dengan dosis 750 ml/ha dan difenoconazole dengan dosis 2000 ml/ha. Aplikasi dosis fungisida yang berbeda berpengaruh terhadap keanekaragaman jamur endofit. Bahan aktif epoxiconazole+pyraclostrobin dan difenoconazole mampu menekan perkembangan jamur patogen tanaman tanpa mempengaruhi perkembangan jamur endofit yang terdapat pada daun tanaman jagung. Dosis fungisida terbaik dalam menekan serangan penyakit hawar daun yaitu pada perlakuan difenokonazole (3000 ml/ha).
PENGARUH SISTEM PENGAIRAN DAN BAHAN ORGANIK TERHADAP PERKEMBANGAN PENYAKIT BERCAK COKLAT SEMPIT Cercospora oryzae DAN HAWAR PELEPAH DAUN Rhizoctonia sp. PADA TANAMAN PADI: EFFECT OF IRRIGATION SYSTEM AND ORGANIC MATTER ON DEVELOPMENT OF NARROW BROWN LEAF SPOT Cercospora oryzae AND SHEATH BLIGHT Rhizoctonia sp. IN RICE Sofyaningrum, Alaida Nur Laili; Martosudiro, Mintarto; Choliq, Fery Abdul; Pramono, Ali
Jurnal HPT (Hama Penyakit Tumbuhan) Vol. 12 No. 1 (2024)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jurnalhpt.2024.012.1.1

Abstract

Penyakit tanaman yang sering menyerang tanaman padi di antaranya yaitu penyakit bercak coklat sempit Cercospora oryzae Miyake dan penyakit hawar pelepah daun yang disebabkan oleh Rhizoctonia sp.. Perkembangan penyakit dipengaruhi oleh kegiatan budidaya karena berkaitan dengan lingkungan yang disediakan untuk pertumbuhan dan perkembangan tanaman, meliputi sistem pengairan dan bahan organik. Oleh karena itu dilakukan penelitian mengenai pengaruh sistem pengairan dan bahan organik terhadap perkembangan penyakit bercak coklat sempit C. oryzae dan hawar pelepah daun Rhizoctonia sp. pada tanaman padi. Penelitian dilaksanakan di lahan Balai Penelitian Lingkungan Pertanian (Balingtan) pada bulan Oktober 2022 sampai Februari 2023. Penelitian ini menggunakan Rancangan Acak Kelompok Faktorial yang terdiri dari 2 faktor yaitu sistem pengairan terdiri atas 3 taraf dan bahan organik jerami yang terdiri dari 2 taraf. Hasil penelitian menunjukkan bahwa perlakuan sistem pengairan tidak berpengaruh nyata terhadap intensitas penyakit bercak coklat sempit dan hawar pelepah daun. Pemberian bahan organik jerami berpengaruh dalam menekan intensitas penyakit. Pengairan tergenang dengan bahan organik menghasilkan tinggi tanaman yang tertinggi. Seluruh perlakuan tidak berpengaruh nyata terhadap jumlah anakan. Penambahan bahan organik berpengaruh nyata terhadap hasil produksi tanaman padi. Intensitas infeksi penyakit bercak coklat sempit berkorelasi nyata dan negatif terhadap hasil produksi tanaman padi.
KEANEKARAGAMAN JAMUR RIZOSFER PADA KENTANG (Solanum tuberosum L.) DAN POTENSI ANTAGONISMENYA TERHADAP Fusarium sp. AKIBAT PERLAKUAN MANKOZEB 64% DAN SIMOKSANIL 8%: DIVERSITY OF RIZOSPHERE FUNGI IN POTATO (Solanum tuberosum L.) AND ITS ANTAGONISM POTENTIAL TO Fusarium sp. DUE TO MANCOZEB 64% AND CYMOXANIL 8% TREATMENTS Alifa, Desy Hawania Asha; Martosudiro, Mintarto
Jurnal HPT (Hama Penyakit Tumbuhan) Vol. 12 No. 3 (2024)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jurnalhpt.2024.012.3.3

Abstract

Pada 10 tahun terakhir, dilaporkan telah terjadi penurunan keanekaragaman mikroorganisme tanah yang sebagian besar disebabkan oleh penggunaan bahan kimia seperti fungisida. Penelitian ini bertujuan untuk mengetahui pengaruh perbedaan konsentrasi fungisida majemuk mankozeb 64% dan simoksanil 8% terhadap keanekaragaman, patogenisitas, serta kemampuan antagonisme jamur rizosfer kentang terhadap jamur patogen  Fusarium sp. Kegiatan penelitian dilakukan pada bulan April-Agustus 2023 yang meliputi pengambilan sampel tanah rizosfer tanaman kentang di Desa Sumberbrantas, Kota Batu dan dilanjutkan dengan eksplorasi di Laboratorium Penyakit Tumbuhan, Fakultas Pertanian, Universitas Brawijaya. Berdasarkan hasil eksplorasi, ditemukan 15 isolat jamur dan diantaranya terdapat 13 isolat yang berhasil diidentifikasi ke dalam genus Penicillium  sp., Aspergilus sp., Scopulariopsis sp., dan Cladosporium sp. Jumlah koloni dan indeks keanekaragaman (H’) tertinggi didapatkan pada perlakuan dengan konsentrasi fungisida 0,7 gr/l dan kontrol. Uji antagonisme menunjukkan bahwa seluruh isolat jamur rizosfer kentang yang berhasil diisolasi tidak ditemukan memiliki potensi sebagai patogen, namun terdapat isolat jamur yang berpotensi untuk menghambat pertumbuhan jamur patogen Fusarium sp. yaitu jamur Penicillium sp. 7, jamur Penicillium sp. 5, dan jamur Penicillium sp. 3.
Analysis of Chitinase Enzyme Trichoderma sp. in Degrading Fusarium oxysporum Rosyida, Risya; Martosudiro, Mintarto; Muhibuddin, Anton
Research Journal of Life Science Vol 9, No 3 (2022)
Publisher : Direktorat Riset dan Pengabdian Masyarakat, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rjls.2022.009.03.5

Abstract

The chitinase enzyme in Trichoderma sp. play an important role in pathogen control. This is because chitin is the main component of the fungal cell wall which the chitinase enzyme can degrade. One Trichoderma sp. isolate was obtained (UBPK6) with the highest percentage of inhibition against Fusarium oxysporum, 76.71%. In addition, UBPK6 isolates also showed the highest bromocresol purple reagent test results (indicating the presence of chitinase enzymes). Chitinase enzyme activity was measured for Trichoderma asperellum isolates. The results showed that the optimum incubation period for enzyme production was the 4th day, with an enzyme activity value of 4.05 U/mL. It indicates that this time is the right time for harvesting enzymes. Furthermore, the effect of pH on the chitinase enzyme activity of Trichoderma asperellum fungus. The test results showed that the optimum value was produced at pH 5 with a value of 3.4 U/mL and decreased afterward. The pH five treatment was the best in inhibiting the growth of pathogens, with an inhibition value of 60.63%. The higher the content of the chitinase enzyme, the higher its ability to degrade damage to the germination of pathogenic spores, thus causing the growth of the pathogen to be inhibited.
Induction Resistance in Chili (Capsicum frutescens L.) to the Geminivirus Disease by Pseudomonas fluorescens Saidi, Aluna Uthilma; Martosudiro, Mintarto; Abadi, Abdul Latief
Research Journal of Life Science Vol 9, No 2 (2022)
Publisher : Direktorat Riset dan Pengabdian Masyarakat, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rjls.2022.009.02.1

Abstract

This study included resistance induced by Pseudomonas fluorescens PGPR in chili (Capsicum frutescens L.) infected with Geminivirus. Geminivirus often attacks chili plants, causing disease with a yellowish color to the leaves, lobes, and stunting. Chili plants that have been attacked by the virus will experience crop failure and plant death. Virus prevention can be done with the application of PGPR by Pseudomonas fluorescens. The method used was 6 treatments on chili plants which were repeated 4 times. The analysis of variance was processed using R software. The results showed that cayenne pepper plants that were given the PGPR application had a shorter incubation period against Geminivirus attacks. Each concentration of Pseudomonas fluorescens has a mean incubation period that is not significantly different. The results also showed that there was a significant difference in the intensity of the disease that attacked the cayenne pepper plant. The application of 107 Pseudomonas fluorescens showed the most optimal results for phenol content, plant height, and number of plant leaves. The application of 109 Pseudomonas fluorescens showed optimal results for the content of IAA and the content of the peroxidase enzyme.
Fourier Transform Infrared (FTIR) Spectroscopy Method for Fusarium solani Characterization Hasanah, Ifa Maulidah; Martosudiro, Mintarto; Aini, Luqman Qurata; Prillianti, Kestrilia Rega; Prabowo, Matheus Randy
Research Journal of Life Science Vol 9, No 1 (2022)
Publisher : Direktorat Riset dan Pengabdian Masyarakat, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rjls.2022.009.01.3

Abstract

The detection and identification of microorganisms using spectroscopy techniques promise to be of great value because of their sensitivity, rapidity, low expense, and simplicity.  In this study, we used FTIR spectroscopy for the characterization of Fusarium solani. PCR amplification of DNA extracted from these isolates showed the possibility of amplifying PCR products with sizes 559 bp using the ITS1-ITS4 primers. Based on phylogenetic tree analysis, the isolate of F. solani showed a closely relationship to Fusarium solani isolate MN (MH300495.1) with 99.63% similarity.  The study is focused on the carbohydrate structure which can be analyzed in the range of 900 to 1200 cm-1 of FTIR wavenumber.  The spectra of our samples share similarities with one another, although small differences occur in the absorbance value. The band at 1027 cm-1 is assigned to the C-O stretching of glycogen. Meanwhile, at 1042 cm-1 is interpreted as carbohydrate C-O stretching as well. The band around 1073 cm-1 might arise from both chitin C-C stretching and phosphate stretching of nucleic acids. Other vibrations associated with chitin are also found at 1115 cm-1 and 1151 cm-1 which are assigned to C-O-C symmetric stretching and C-O-C asymmetric stretching, respectively.
Sugarcane streak mosaic virus (ScSMV) Resistance Evaluation of Sugarcane Varieties Ernawati, Feny; Djauhari, Syamsuddin; Martosudiro, Mintarto; Putra, Lilik Koesmihartono; Kristini, Ari
Jurnal Perlindungan Tanaman Indonesia Vol 26, No 2 (2022)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.71158

Abstract

Sugarcane streak mosaic virus (ScSMV) is the most important viral disease of sugarcane in Indonesia with distribution in almost all commercial sugarcane plantations. The disease causes significant yield losses of both cane tonnage and sugar yield. The use of resistant varieties is the best approach for controlling viral diseases. This study aims to investigate resistance response of several introduced varieties against ScSMV in a glasshouse condition and the impact of the viral infection on chlorophyll and proline content in sugarcane leaves.  Sugarcane plants were inoculated using ScSMV inoculum one month after planting using an abrasive pad rubbing method. Disease incidence and severity was observed at week 4-12 after inoculation and variety resistance levels were classified based on disease incidence. Confirmation of the virus was done by RT-PCR. Spectrophotometer was used to measure chlorophyll content at dual wavelengths of 645 and 663 nm, and proline content at wavelengths of 520 nm. The results showed that most of the tested varieties were susceptible to ScSMV. There are six highly resistant varieties, namely SRA 1, SRA 2, N 10-4, N 10-7, N10-9, and N 10-13, but these varieties still require to be tested on a field scale. ScSMV infection generally decrease chlorophyll and proline content. However, the physiological effect of ScSMV infection on chlorophyll and proline content needs further investigation.
Effectiveness of Betel Leaf Extract Against Cercospora sp. Pathogen Causing Chili Leaf Spot In-Vitro Mahfud, Muhammad Afif; Martosudiro, Mintarto; Choliq, Fery Abdul
Journal of Tropical Plant Protection Vol. 5 No. 1 (2024)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtpp.2024.005.1.2

Abstract

The betel plant grows a lot and is easy to find in Indonesia. Part of the betel leaf contains antifungal compounds. This research examined the effect of betel leaf extract and its effective concentration in suppressing the pathogen Cercospora sp. in vitro. The research was conducted at the Pesticide Toxicology Laboratory, Universitas Brawijaya. Using a completely randomized design (CRD) with six treatments and five replications. The treatment was carried out in control and betel leaf extract with concentration levels of 30,000 ppm, 50,000 ppm, 100,000 ppm, 150,000 ppm, and 200,000 ppm. The results obtained were screening tests of compounds, causal tests of extracts on fungi, percentage of inhibition, and growth rate on fungi. Giving betel extract can suppress the growth of the fungus Cercospora sp., and in the 200,000 ppm extract treatment, the results were moderately effective in testing the percentage of inhibition power of the fungus Cercospora sp., which is equal to 41%.
Effect of Fungicide Concentration with Active Ingredient Pyraclostrobin 250 EC on Leaf Spot Disease and Phylloplane Fungal Diversity in Mustard Plants (Brassica juncea L.) Aritonang, Awal Josua; Martosudiro, Mintarto
Journal of Tropical Plant Protection Vol. 5 No. 2 (2024)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtpp.2024.005.2.1

Abstract

Mustard greens (Brassica juncea L.) are vegetables that are widely liked by the public because they have benefits for body health. Mustard greens have benefits because they contain carbohydrates, proteins, and fats, 220 mg Ca, 38 mg P, vitamin A 6.4 mg, vitamin B 0.09 mg, and vitamin C 102 mg. Leaf spot disease caused by Alternaria sp. is one of the causes of the decline in mustard greens. This study aims to determine the effect of fungicide with the active ingredient pyraclostrobin on leaf spot disease and phylloplan fungal diversity in mustard plants with different concentrations. The study was carried out by applying fungicides with 6 treatments and 4 replicates with concentrations of 0.350 ml/l, 0.375 ml/l, 0.400 ml/l, 0.425 ml/l, and 0.450 ml/l. The results showed that fungicide with the active ingredient pyraclostrobin affected leaf spot disease and phylloplane fungal diversity in mustard plants. The intensity of leaf spot disease and phylloplane fungal diversity in the control treatment was higher than that of the fungicide treatment.
Co-Authors Abdul Choliq, Fery Abdul Latief Abadi Ajeng Wulandari Ali Pramono Alifa, Desy Hawania Asha Amanda Yayu Natasya Amanda Yayu Natasya Aminudin Afandhi Aminudin Afandhi Anna Sartika Hutapea Anton Muhibbudin Anton Muhibuddin Anugerah Firmansyah Zakaria Anugerah Firmansyah Zakaria Ari Kristini Aritonang, Awal Josua Athifa Lithiflika K. Yahya Aviva Aviolita Parama Putri Aviva Aviolita Parama Putri Aviolita Parama Putri Aviva Aviolita Parama Putri Aviolita Parama Putri Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Bedjo Devi Febriana Putri Devi Febriana Putri Devy Intan Arlita Devy Intan Arlita Dian Eka Kusumawati Effendi, Mokhtar Eka Putri Irma Nuviani Ernawati, Feny Esti Yuliastri Sa’idah Esti Yuliastri Sa’idah Fanhash Nijami, Muhammad Ferry Abdul Choliq Fery Abdul Choliq Fiqh Thamrotul Irsyadah Fiqh Thamrotul Irsyadah Firdausi, Wita Hagus Tarno Haniatur Rochifah Hasanah, Ifa Maulidah Hesty Maranticha I Ketut Suada istiqomah istiqomah Istiqomah, Istiqomah Jayanti Elok Cayah Ambarwati Jayanti Elok Cayah Ambarwati Kamila Qurota A’yun Kamila Qurota A’yun Kestrilia Rega Prilianti Liliek Sulistyowati Lilik Koesmihartono Putra Lilik Nur Kholidah Lilik Nur Kholidah Lilya Echa Febriyanti Luqman Qurata Aini Luqman Qurota Aini M. Guruh Arif Zulfahmi M. Guruh Arif Zulfahmi Mahfud, Muhammad Afif Miko Putro Hutomo Miko Putro Hutomo Muhamad Ihsal Mahendra Musafir, Musafir Nadia Agung Triwibawa Nadia Agung Triwibawa Nofia, Nita Prabowo, Matheus Randy Qurrota Ayuni Apriliana Rahayu, Esti Dwi Rasyada, Nuris Sa’adah Rois Hanadyo Rois Hanadyo Roswita Nur Kumalasari Rosyida, Risya Safira Candra Jalaweni Safitri, Helvira Agita Saidi, Aluna Uthilma Salsabilla, Alyara Oktavia Samsul Huda Asrori Sinta Asa Karsalina Sofyaningrum, Alaida Nur Laili Sunarto, Bintar Probo Syamsuddin Djauhari Tashya Angelique Martinez Tutung Hadi Astono Tutung Hadiastono Tutung Hadiastono Tutung Hadiastono Tutung Hadiastono Ulil Azmi Ulil Azmi Uswatun Hasanah Uswatun Hasanah Vivi Tri Kristyaningrum Yayang Cahyaning Bulan Yayang Cahyaning Bulan Yayuk Yuliati Yugista, Serdinia Zulverdi, Yudhika Ankenkuala Ramadhana