Mintarto Martosudiro
Departemen Hama Dan Penyakit Tumbuhan Fakultas Pertanian Universitas Brawijaya

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Journal : Journal of Tropical Plant Protection

Evaluation of Five Shallot (Allium Cepa L.) Varieties For Resistance to Shallot Yellow Stripe Virus (SYSV) Zulverdi, Yudhika Ankenkuala Ramadhana; Martosudiro, Mintarto; Choliq, Fery Abdul
Journal of Tropical Plant Protection Vol. 3 No. 1 (2022)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtpp.2022.003.1.3

Abstract

Shallot Yellow Stripe Virus (SYSV) is one of the economically important viruses of shallot. The incidence of SYSV infection can reach 66%-100%. The high level of SYSV infection on shallot is also due to the lack of resistance varieties to SYSV. This study aimed to determine the resistance of five varieties of shallot and the effect of SYSV infection on shallot production. The study used a completely randomized experimental design (CRD) using five shallot varieties as the treatment with four replication for each treatment. The shallot varieties were Bauji, Thailand, Bima Brebes, Tuk tuk (V4), Trisula (V5), and control. Each experimental unit consisted of 10 plants. The evaluation results showed that the Tuk-tuk variety was categorized as resistant, the Trisula variety as tolerant, and the Bauji, Thailand, and Bima Brebes varieties were categorized as susceptible. The shallot growth and production indicate that SYSV infection causes interference in the plant development process.
Effect of Application of Guava Leaf Extract (Psidium guajava L.) on Tobacco Mosaic Virus (TMV) Attack on Red Chili (Capsici annum L.) Yugista, Serdinia; Martosudiro, Mintarto; Choliq, Fery Abdul
Journal of Tropical Plant Protection Vol. 4 No. 2 (2023)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtpp.2023.004.2.3

Abstract

Red chili (Capsici annum L.) is a significant horticultural commodity widely consumed in Indonesia. From 2016 to 2020, red chili production consistently increased, reaching 1,264,190 tons in 2020. Despite this growth, certain regions still face production shortfalls relative to consumption needs. A major challenge in red chili cultivation is the Tobacco Mosaic Virus (TMV), which remains difficult to control as no pesticides currently target plant viruses directly. This study investigated the impact of guava leaf extract (Psidium guajava L.) on the incubation period, severity of TMV infection, and growth parameters in red chili plants. The experiment utilized a complete randomized design comprising six treatments with four replications, each involving two plants. The results indicate that four applications of guava leaf extract extended the TMV incubation period to 19.25 days post-inoculation and reduced attack intensity by 4.93%. Additionally, this treatment enhanced plant growth, evidenced by increased plant height and leaf number, and was the only treatment classified as resistant compared to other tested methods.
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.
The Effect of Giving Cherry (Muntingia calabura) Leaf Extract on Tobacco Mosaic Virus (TMV) Attacks on Cayenne Pepper Plants (Capsicum frutescens L.) Salsabilla, Alyara Oktavia; Martosudiro, Mintarto; Choliq, Fery Abdul
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.2024.005.2.5

Abstract

Cayenne pepper (Capsicum frutescens L.) is a horticultural crop that is widely cultivated in Indonesia and has high economic value. However, it is not uncommon for the cultivation process to encounter several obstacles, one of which is caused by the Tobacco Mosaic Virus (TMV). One of the actions that can be taken to control this disease is to use induction agents derived from plant extracts. The plants that can be used as inducers are cherry plants (Muntingia calabura). However, research on the use of cherry leaf extract is rarely applied, especially against the TMV virus.  Thus, this research needs to be conducted to determine the effect of cherry leaf extract on TMV attack on cayenne pepper plants. The study used a completely randomized design (CRD) in vivo with 6 treatments and 4 replications. The treatment given was cherry leaf extract with different application frequencies at a concentration of 5%. Parameters observed included the disease incubation period, disease intensity, plant growth, and assessment of plant resistance. The results showed that applying cherry leaf extract with an application frequency of 4 times extended the incubation period of TMV and reduced the intensity of TMV disease, with values of 17.88 days after inoculation and 11.20%, respectively. This treatment resulted in a plant resistance category of "resistant." Additionally, the application of cherry leaf extract 4 times also had a positive effect on plant growth, specifically plant height and number of leaves.
Induction of Resistance of Lime Citrus aurantifolia Seedlings Using Plant Growth Promoting Rhizobacteria to Citrus Tristeza Virus and Plant Growth Rasyada, Nuris Sa’adah; Martosudiro, Mintarto
Journal of Tropical Plant Protection Vol. 6 No. 2 (2025)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtpp.2025.006.2.2

Abstract

Lime is popular in Indonesia as an alternative treatment for cough and sore throat. Global production declined by 316,000 ton in 2021-2023 due to Citrus Tristeza Virus (CTV) attack, which is detrimental to citrus farmers. Effective preventive controls to suppress CTV attack include planting resistant varieties, insect vector control, cross-protection, and the use of Plant Growth Promoting Rhizobacteria (PGPR) or other beneficial microbes. This study aims to determine the effect of PGPR on the incubation period, intensity of CTV attack, chlorophyll content, and growth of lime seedlings. This research was conducted using a completely randomized design (CRD) with 8 treatments and 5 replications. The methods used were PGPR application and CTV inoculation on lime seedlings. The results showed that the application of PGPR Bacillus subtilis, Pseudomonas fluorescens, Azotobacter sp., and their combination was able to slow down the incubation period of CTV, suppress the intensity of CTV attack, and maintain the chlorophyll content of plant leaves due to CTV attack. However, the use of PGPR in this study has not been able to increase the growth of lime seedlings. Single PGPR has the same level of efficiency as the combination in suppressing the intensity of CTV attack.
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 Nadia Agung Triwibawa Nadia Agung Triwibawa Nofia, Nita Nurwijayanti 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