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Journal articles on the topic 'Tomato; Early blight; Control'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Tsetskhladze, Tsisana, Ketino Natsarishvili, Ketino Sikharulidze, Nani Aptsiauri, and Zoia Sikharulidze. "EFFICIENCY OF MEANS TO CONTROL MAJOR DISEASES OF TOMATO IN HUMID SUBTROPICS OF GEORGIA." Journal of Applied Biological Sciences 18, no. 2 (2024): 162–71. https://doi.org/10.71336/jabs.1223.

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Tomato is one of the most widespread and popular vegetable food crops in the world including Georgia. The average yield of tomatoes in Georgia is very low comparing with other countries and local production, so far, cannot meet the domestic demand. In Georgia, tomato production in open fields is highly constrained by the early blight (Alternaria solani) and late blight diseases (Phytophthora infestans). Key to successfully controlling the most common fungal foliar diseases is an integrated management program where the main component is using resistant varieties and fungicides. This study aimed

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Tsetskhladze, Tsisana, Ketino Natsarishvili, Ketino Sikharulidze, Nani Aptsiauri, and Zoia Sikharulidze. "EFFICIENCY OF MEANS TO CONTROL MAJOR DISEASES OF TOMATO IN HUMID SUBTROPICS OF GEORGIA." Journal of Applied Biological Sciences 18, no. 2 (2024): 162–71. https://doi.org/10.5281/zenodo.12209144.

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Tomato is one of the most widespread and popular vegetable food crops in the world including Georgia. The average yield of tomatoes in Georgia is very low comparing with other countries and local production, so far, cannot meet the domestic demand. In Georgia, tomato production in open fields is highly constrained by the early blight (<em>Alternaria solani</em>) and late blight diseases (<em>Phytophthora infestans)</em>. Key to successfully controlling the most common fungal foliar diseases is an integrated management program where the main component is using resistant varieties and fungicides

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3

Ashour, Ahmed, Tomader Abdel Rahman, Hany Badawy, and Nsreen Dib. "Chemical Control of Tomato Early Blight Disease." Egyptian Journal of Phytopathology 40, no. 2 (2012): 149–62. http://dx.doi.org/10.21608/ejp.2012.103244.

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4

B, Rex, Gopu B, Vinothini N, and Prabhu S. "Screening of tomato (Solanum lycopersicon L.) genotypes by inducing systemic resistance against early blight disease caused by Alternaria solani." Journal of Applied and Natural Science 15, no. 1 (2023): 100–106. http://dx.doi.org/10.31018/jans.v15i1.4285.

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Early blight of tomato (Solanum lycopersicon L.) incited by Alternaria solani is highly destructive disease in the world. Environmental factors significantly impact early blight epidemics, leading to the loss of up to 78 per cent of tomato production. Twenty tomato genotypes were used in this study to identify the early blight resistant and susceptible genotypes selected to represent a range of reactions when screened under field conditions. The tomato plants were evaluated for early blight disease by using Per cent Disease Index (PDI). Pusa Uphar (20.18%) and Sankaranti (20.18%) showed resist

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Masabni, Joseph G. "WEED CONTROL IN TOMATO WITH HALOSULFURON (SANDEA)." HortScience 40, no. 3 (2005): 887e—887. http://dx.doi.org/10.21273/hortsci.40.3.887e.

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Halosulfuron (Sandea 75WG) is labeled for pre- or posttransplant use in tomato, cucumber, cantaloupe, among other vegetable crops. For pretransplant usage, the label specifies a 7-day waiting period after halosulfuron application under the plastic mulch before transplanting tomatoes. This period may be too long for growers who are busy in the spring with planting and pesticide sprays while on a race with the constantly changing climate of early spring. Experiments were conducted in the last 2 years to determine whether transplanting tomato within 7 days of halosulfuron application had any dele

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Gopal, G. Venu, N. Venkateshwar Rao, L. Mahesh, D. Sreenivasa Reddy, and J. Vijay. "Assessment of Early Blight Disease Resistant Tomato F1 Hybrid Arka Abhed in Karimnagar District of Telangana, India." Journal of Scientific Research and Reports 30, no. 9 (2024): 936–41. http://dx.doi.org/10.9734/jsrr/2024/v30i92421.

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Tomato is the major Solanaceous vegetable crop grown in Karimnagar District of Telangana. Alternaria tomatophila and Alternaria solani cause early blight disease and severe yield losses to the tomato growers in Karimnagar District. Early blight is the major problem in Karimnagar from June to September months causing severe crop losses to the tomato farmers. Usually farmers are spraying different fungicides based on Copper to control early blight disease for private hybrids. It controls 25-35% of the disease and increased cost of cultivation. Hence, early blight disease resistant hybrid Arka Ab

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Klokocar Å mit, Z., D. Inðjic, R. Jakovljev, F. N-Dzi, and P. Mitrovic. "PROBLEMS IN CONTROL OF EARLY BLIGHT IN TOMATO." Acta Horticulturae, no. 462 (December 1997): 667–72. http://dx.doi.org/10.17660/actahortic.1997.462.101.

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8

Solino, Antônio Jussiê da Silva, Juliana Santos Batista Oliveira, Sergio Augusto Cesnik, and Kátia Regina Freitas Schwan-Estrada. "Lanthanum in vitro control of Alternaria solani and induction resistance mechanism against blight tomato plant." Revista Verde de Agroecologia e Desenvolvimento Sustentável 16, no. 2 (2021): 153–58. http://dx.doi.org/10.18378/rvads.v16i2.8342.

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Rare earth elements have been tested in control of plant diseases. Lanthanum (La) was tested in the control of Alternaria solani (in vitro) and tomato early blight (in vivo) using the concentration 0; 0.1; 0.2; 0.4 and 0.8 g L-1. In vitro, the concentration were diluted in V8 culture medium and evaluated for mycelial growth rate index (MGRI) and pathogen sporulation. In vivo, 24 hours after the application of concentration was inoculate the pathogen and 24 hours after the inoculation, leaflets were collected for quantification, the specific catalytic activity and guaiacol peroxidase. The sever

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9

P. D, Dole, Gaikwad S. D, and Chavan Digvijay. "Optimizing Tomato Health: Holistic Approach to Early Blight Disease Management." Journal of Advances in Biology & Biotechnology 27, no. 6 (2024): 492–97. http://dx.doi.org/10.9734/jabb/2024/v27i6909.

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An experiment was conducted to evaluate the effect of fungicide (mancozeb) and botanicals against early blight of tomato caused by Alternaria solani at the experimental field and glasshouse of Plant Pathology department, College of Agriculture, Pune, Maharashtra, during Kharif season (2019-2020). Six treatments including control with four replications were taken up using Randomized Block Design RBD. Growth inhibition of fungus Alternaria solani causing early leaf blight of tomato was studied in vivo for determining the efficacy of one fungicide and eight botanicals. Exploring possibility of ma

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Haider, Rhizwan, Navish Navish, and Muhammad Usman Raja. "Induction of resistance in tomato against early blight." Zoo Botanica 2, no. 3 (2025): 133–40. https://doi.org/10.55627/zoobotanica.002.03.0874.

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Tomato are used both in as fresh and semi cooked form, therefore, pesticides residues neither accepted nor allowed by stakeholders. Plant resistance inducers (PRIs) or elicitors have shown promising potential to be an effective but safe alternate of pesticides. In this study, we investigated the role of different PRIs against Altenaria solani, causal of agent of early blight of tomato. PRIs used in this study were 0.1 mM methyl Jasmonate (MeJA), 1.0 mM salicylic acid (SA), 1mg/ml chitosan (CH). In addition, 0.2 mM sodium nitroprusside (SNP) and 1mg/pot calcium carbide (CaC2) were also used as

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Galeano Garcia, Paula, Fábio Neves dos Santos, Samantha Zanotta, Marcos Eberlin, and Chiara Carazzone. "Metabolomics of Solanum lycopersicum Infected with Phytophthora infestans Leads to Early Detection of Late Blight in Asymptomatic Plants." Molecules 23, no. 12 (2018): 3330. http://dx.doi.org/10.3390/molecules23123330.

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Tomato crops suffer attacks of various pathogens that cause large production losses. Late blight caused by Phytophthora infestans is a devastating disease in tomatoes because of its difficultly to control. Here, we applied metabolomics based on liquid chromatography–mass spectrometry (LC-MS) and metabolic profiling by matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS) in combination with multivariate data analysis in the early detection of late blight on asymptomatic tomato plants and to discriminate infection times of 4, 12, 24, 36, 48, 60, 72 and 96 h after inoculation

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ALENCAR, MARIANNA SANTOS RODRIGUES, ANTÔNIO JUSSIÊ DA SILVA SOLINO, JULIANA SANTOS BATISTA OLIVEIRA, SÉRGIO FLORENTINO PASCHOLATI, and KÁTIA REGINA FREITAS SCHWAN-ESTRADA. "INDUCTION OF DEFENSE MECHANISMS IN TOMATO PLANTS BY SAPROBIC FUNGI FILTRATES AGAINST EARLY BLIGHT DISEASE." Revista Caatinga 33, no. 3 (2020): 671–78. http://dx.doi.org/10.1590/1983-21252020v33n310rc.

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ABSTRACT Tomato plants can be attacked by several diseases. The early blight disease causes large losses to tomato growers and requires many applications of fungicide for its control. Thus, the objective of this work was to evaluate the effect of saprobic fungi filtrates on the control of early blight (Alternaria solani) in tomato plants. The treatments consisted of fungi filtrates (Stachylidium bicolor - SBI; Periconia hispidula - PHI; Brachysporiella pulchra - BPU; Myrothecium leucotrichum - MLE; and Pycnoporus sanguineus - PSA) diluted at 20%, a control (water), and acibenzolar-S-methyl (AS

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Ansari, Madeeha, Shakil Ahmed, Asim Abbasi, et al. "Green Synthesized Silver Nanoparticles: A Novel Approach for the Enhanced Growth and Yield of Tomato against Early Blight Disease." Microorganisms 11, no. 4 (2023): 886. http://dx.doi.org/10.3390/microorganisms11040886.

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Tomato plants are among the most widely cultivated and economically important crops worldwide. Farmers’ major challenge when growing tomatoes is early blight disease caused by Alternaria solani, which results in significant yield losses. Silver nanoparticles (AgNPs) have gained popularity recently due to their potential antifungal activity. The present study investigated the potential of green synthesized silver nanoparticles (AgNPs) for enhancing the growth and yield of tomato plants and their resistance against early blight disease. AgNPs were synthesized using leaf extract of the neem tree.

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14

Neupane, S. K., and G. B. K C. "Management of Tomato Diseases in Plastic House at Lamjung." Journal of the Plant Protection Society 7, no. 01 (2022): 123–31. http://dx.doi.org/10.3126/jpps.v7i01.47296.

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An experiment was conducted in plastic houses at three farmers’ field, each farmer as a replication, in three local levels (Sundarbazar, Gaunsahar and Besisahar) in Lamjung district during July to December 2017, to identify and manage major diseases of tomato (variety: Srijana) using chemicals and bio-pesticides. The treatments Bio-cure-B (Pseudomonas fluorescens: bio-fungicide) Bavistin Carbendazim, systemic fungicide) and Dithane M-45 (Mancozeb, contact fungicide) were applied as foliar spray. Control plot was maintained without application of any treatment. Mainly four fungal diseases, earl

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Neupane, S. K., G. B. K.C., S. M. Shrestha, and A. C. Neupane. "Assessment and Management of Tomato Diseases under Plastic House Conditions in Lamjung." Journal of Agriculture and Environment 22 (June 30, 2021): 179–87. http://dx.doi.org/10.3126/aej.v22i0.46814.

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An experiment was conducted under plastic houses at three farmers’ field, each farmer as a replication, in Tarku and Banhjakhet VDCs in Lamjung district during July to December 2010, to identify and manage major fungal diseases of tomato (variety Srijana) using chemicals and bio-pesticides. The treatments Bio-cure-F (Trichoderma viride, bio-fungicide), carbendazim (Bavistin, systemic fungicide) and Dithane M-45 (Mancozeb, contact fungicide) were applied as foliar spray. Control plot was maintained without application of any treatment. Mainly four fungal diseases, early blight (Alternaria solan

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16

Latake, S. B., P. M. Katkar, and V. S. Shinde. "Eco-Friendly Management Of Early Blight Of Tomato Caused By Alternaria Solani." Journal of Plant Disease Sciences 17, no. 1 (2022): 73–78. http://dx.doi.org/10.48165/jpds.2022.1714.

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Aqueous plant extract from ten plant species were tested for antifungal activity against Alternaria solani, whichcauses early blight disease in tomato, in vitro and in the field. At 5, 10 and 15% concentrations, all the aqueous plant extracts inhibited mycelial growth of growth of A. solani significantly better than control. Ginger officinale inhibitedA. solani mycelial growth to the greatest extent. It was followed by Azadirchta indica and Allium sativum.Under field conditions, three sprays of aqueous plant extracts at 15-day intervals were found effective in reducing early blight disease int

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17

Odunayo Joseph,, Olawuyi, and Ogundipe Victor Olumide,. "The effect of amf (glomus clarum) on tomato resistance to early leaf blight (alternaria solani) on tomato." Global Journal of Agricultural Sciences 21, no. 1 (2022): 85–90. http://dx.doi.org/10.4314/gjass.v21i1.11.

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Tomato (Solanum lycopersicum L.), is an economic plant which belongs to Family Solanaceae and is widely consumed as food and other processed natural products. Tomato production areas are faced with economic losses due to early blight disease caused by Alternaria solani. Early blight disease reduce yield and renders fruit unmarketable, Cultural practices and fungicides are majorly adopted in the management of this disease. The use of tolerant varieties and Glomus clarum as alternatives which are environmental friendly necessitated this study. Therefore, this study investigated genetic resistanc

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18

Opoku, B. A., C. Kwoseh, E. Gyasi, and E. Moses. "Incidence and severity of major fungal diseases on tomato in three districts within the forest and forest-savannah agro-ecological zones of Ghana." Ghana Journal of Agricultural Science 56, no. 2 (2021): 46–60. http://dx.doi.org/10.4314/gjas.v56i2.5.

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This study was initiated to determine the incidence and severity of fungal diseases of tomatoes and document farmers’ knowledge of these diseases and their control measures in Offinso North, Techiman North and Asante Akim North Districts within the forest and forest-savannah agro-ecological zones of Ghana. A survey was conducted in three selected communities in each district to document the incidence and severity of fungal diseases of tomato and also farmers’ knowledge of fungal diseases of tomato and control practices adopted on their farms using a well-structured questionnaire. Early blight,

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19

Martinko, Katarina, Siniša Ivanković, Boris Lazarević, Edyta Đermić, and Damir Đermić. "Control of Early Blight Fungus (Alternaria alternata) in Tomato by Boric and Phenylboronic Acid." Antibiotics 11, no. 3 (2022): 320. http://dx.doi.org/10.3390/antibiotics11030320.

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Finding a suitable alternative to the small pool of existing antifungal agents is a vital task in contemporary agriculture. Therefore, intensive research has been conducted globally to uncover environmentally friendly and efficient agents that can suppress pathogens resistant to the currently used antimycotics. Here, we tested the activity of boric acid (BA) and its derivative phenylboronic acid (PBA) in controlling the early blight symptoms in tomato plants infected with pathogenic fungus Alternaria alternata. By following the appearance and intensity of the lesions on leaves of the tested pl

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20

Hassan, Sk Mahmudul, Michal Jasinski, Zbigniew Leonowicz, Elzbieta Jasinska, and Arnab Kumar Maji. "Plant Disease Identification Using Shallow Convolutional Neural Network." Agronomy 11, no. 12 (2021): 2388. http://dx.doi.org/10.3390/agronomy11122388.

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Various plant diseases are major threats to agriculture. For timely control of different plant diseases in effective manner, automated identification of diseases are highly beneficial. So far, different techniques have been used to identify the diseases in plants. Deep learning is among the most widely used techniques in recent times due to its impressive results. In this work, we have proposed two methods namely shallow VGG with RF and shallow VGG with Xgboost to identify the diseases. The proposed model is compared with other hand-crafted and deep learning-based approaches. The experiments a

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Schaefer, Scott C., Ksenija Gasic, and Schuyler S. Korban. "(262) Transgenic Tomato Lines Expressing Plant Defense Genes Show Resistance to Early Blight Disease." HortScience 40, no. 4 (2005): 1015C—1015. http://dx.doi.org/10.21273/hortsci.40.4.1015c.

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Several plant defense genes, including an iris ribosomal-inactivating protein (I-RIP) and a maize β-glucanase (M-GLU) as well as a small antimicrobial peptide (5 kd) from Mirabilisjalapa(Mj-AMP) were separately introduced into tomato (Lycopersiconesculentum) cv. Sweet Chelsea using Agrobacteriumtumefaciens-mediated transformation. Transgenic lines carrying each of the transgenes were confirmed for integration into the tomato genome using Southern blot hybridization. Transcription of I-RIP, M-GLU, and Mj-AMP genes in various transgenic lines was determined using Northern blot analysis. Plants o

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Havryliuk, Liliia, Iryna Beznosko, Danylo Humennyi, Dmytro Gentosh, and Olena Bashta. "Review of the main diseases of Solanum lycopersicum and methods of chemical control of pathogens." Ukrainian Black Sea Region Agrarian Science 28, no. 4 (2024): 32–40. https://doi.org/10.56407/bs.agrarian/4.2024.32.

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This article overviews the major diseases affecting tomato plants (Solanum lycopersicum), caused by viral, bacterial, and phytopathogenic microorganisms. Pathogenic microorganisms parasitising tomato plants lead to significant crop losses in agricultural production, reducing the quality of the produce. The study aimed to investigate the impact of microorganisms on tomato plants, the extent of their harmful effects, and methods of controlling disease pathogens. It has been established that the primary diseases of tomato plants are caused by fungi of the genera Fusarium (fusarium wilt), Phytopht

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Maiero, Marisa, Timothy J. Ng, and Thomas H. Barksdale. "Combining Ability Estimates for Early Blight Resistance in Tomato." Journal of the American Society for Horticultural Science 114, no. 1 (1989): 118–21. http://dx.doi.org/10.21273/jashs.114.1.118.

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Abstract Six inbred tomato (Lycopersicon esculentum Mill.) genotypes and 13 hybrids among them were evaluated at two locations for resistance to early blight (Altemaria solani). The breeding lines 71B2, C1943, and NC EBR-1 were the most resistant, while ‘Castlejay’ was consistently the most susceptible. Hybrid means for area under the disease progress curve (AUDPC) generally were intermediate to their parental values, indicating quantitative genetic control. Five of the parents were included in a diallel mating design to obtain estimates of general combining ability (GCA) and specific combinin

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Sallam, Nashwa M. A. "Control of Tomato Early Blight Disease by Certain Aqueous Plant Extracts." Plant Pathology Journal 10, no. 4 (2011): 187–91. http://dx.doi.org/10.3923/ppj.2011.187.191.

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Cowgill, W. P., M. H. Maletta, and S. A. Johnston. "EVALUATION OF THREE DISEASE FORECASTING SYSTEMS FOR CONTROLLING EARLY BLIGHT ON TOMATO IN NEW JERSEY." HortScience 28, no. 5 (1993): 454a—454. http://dx.doi.org/10.21273/hortsci.28.5.454a.

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Three disease forecasting systems, FAST, CUFAST and TOM-CAST, were statistically evaluated at The Rutgers Snyder Research and Extension Farm in northwestern New Jersey for efficacy in the control of early blight (Alternarina solani) on tomato. All three forecasting systems have generated reduced fungicide application schedules that significantly reduced fungicide input and provided adequate control for early blight. In 1991, using FAST and CUFAST, and in 1992, using all three disease forecasting systems, six fungicide applications were eliminated from the standard weekly spray schedule. Elimin

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Dobariya, K. G., J. R. Pandya, R. P. Pandya, and S. H. Joshi. "Biological Control of Early Blight of Tomato (Solanum lycopersicum L.) by the Use of Pseudomonas fluorescens (Flugge and Migula) under Field Condition." Current Journal of Applied Science and Technology 42, no. 13 (2023): 34–41. http://dx.doi.org/10.9734/cjast/2023/v42i134115.

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Tomato is the second most important vegetable crop. It is widely grown on all over the world. Diseases are the major constraint in economic crop production as they inflict heavy loss in tomato. Among the various fungal diseases, early blight was reported severe as it causes heavy damage to the crop. The main aim of this study is to explore the potentiality of native and most efficient isolate of P. fluorescens as biocontrol agent. A total 30 Pseudomonas fluorescens isolates were isolated from soil samples of different villages of Navsari district by serial dilution method on King’s B medium. T

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Maiero, Marisa, Timothy J. Ng, and Thomas H. Barksdale. "Genetic Resistance to Early Blight in Tomato Breeding Lines." HortScience 25, no. 3 (1990): 344–46. http://dx.doi.org/10.21273/hortsci.25.3.344.

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Tomato (Lycopersicon esculentum Mill.) genotypes evaluated for early blight [Alternaria solani (Ellis & Martin) Jones and Grout] resistance included five tolerant breeding lines, a susceptible cultivar, and seven hybrids among them. Three of the genotypes (`Castlejay', NC EBR-2, and 87B187) were crossed in a diallel mating design to estimate general combining ability and specific combining ability for the resistance trait. Parental, F1, F2, and backcross generations of the family Cl943 x `Castlejay' were evaluated for resistance and included in generation mean analysis. Hybrid means for ar

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Li, Qing, Xueyan Zhang, Xin Ma, and Hailong Li. "Evaluating the Applicability of the TOMCAST Model for the Control of Potato Early Blight in China." Plants 12, no. 8 (2023): 1634. http://dx.doi.org/10.3390/plants12081634.

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To explore the applicability of different fungicide application schemes to control potato early blight (mainly caused by Alternaria solani) in China, field trials were conducted from 2020 to 2022, combining different fungicides with the tomato forecaster (TOMCAST) model and using weather variables to adjust the minimum temperature of TOMCAST to 7 °C. To effectively manage potato early blight, the TOMCAST model combines relative humidity (>88%) and air temperature to calculate daily severity values (DSVs). The application of fungicides (fungicide schedule) is as follows: untreated; two stand

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Maletta, M. H., W. P. Cowgill, W. Tietjen, P. Nitzsche, and S. A. Johnston. "284 EVALUATION OF THREE DISEASE FORECASTING SYSTEMS FOR CON-l-ROLLING EARLY BLIGHT ON STAKED OR GROUND CULTURE TOMATOES IN NEW JERSEY." HortScience 29, no. 5 (1994): 470f—471. http://dx.doi.org/10.21273/hortsci.29.5.470f.

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Since 1990, FAST - Pennsylvania State University, CUFAST - Cornell University. and TOM-CAST - Ridgetown College, Ontario, three systems for forecasting early blight, have been field tested at The Snyder Research and Extension Farm in northwestern New Jersey for their potential use in fresh market tomato production in that area of the state. In 1993, the number of fungicide applications for tomato early blight control required by the three forecast systems was less than the number required following a weekly schedule. FAST and CUFAST scheduled applications of chlorothalonil, 1.5 lb per acre, re

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Devagoud, Thadaka, and Sobita Simon. "Evaluation of Antimicrobial Activity of Neem Cake and Bio-Agents on Early Blight (Alternaria solani) of Tomato (Lycopersicon esculentum L.)." Journal of Experimental Agriculture International 46, no. 5 (2024): 173–80. http://dx.doi.org/10.9734/jeai/2024/v46i52368.

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Early blight is the important disease of tomato because it causes huge economic loss to the farmer every year. Alternaria solani cause early blight of tomato and it is considered weed of field because of its wide adaptability under different environment. Use of fungicides for the management of disease in crop puts a large number of negative health and environmental effects therefore, the urgent need for a more sustainable and ecological approach to manage disease without fungicides. To avoid relying solely on chemicals and to identify a viable alternative component,this experiment was conducte

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Ms. Sowmya B and Dr. Guruprasad S. "Deep Learning-Based Classification of Tomato Leaf Diseases: A Comparative Review of Approaches." international journal of engineering technology and management sciences 8, no. 3 (2024): 8–14. http://dx.doi.org/10.46647/ijetms.2024.v08i03.002.

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Plant diseases cause to decreases in product in agriculture. The majority of farmers find it challenging to identify and control plant diseases. It is necessary to spot diseases early in order to minimize future losses. In this paper, a deep learning method utilizing convolutional neural networks (CNNs) to identify tomato leaf diseases is described. For example, to classify tomato leaf images into one of ten categories—healthy, yellow leaf curl virus (YLCV), bacterial spot (BS), early blight (EB), leaf mold (LM), spectoria leaf spot (SLS), target spot (TS), two spotted spider mite spot (TSSMS)

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Harish, P., B. Rex, S. Karpagavalli, M. Muthukumar, and R. Yuva Rani. "Screening of Newer Generation Fungicides against Alternaria solani Causing Early Blight in Tomato under in vitro Condition." Journal of Experimental Agriculture International 47, no. 7 (2025): 184–91. https://doi.org/10.9734/jeai/2025/v47i73559.

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Tomato (Solanum lycopersicum L.) is a globally vital horticultural crop, yet its productivity is severely threatened by early blight, caused by Alternaria solani. In a 2024 field survey across districts in Tamil Nadu, disease incidence ranged from 25.4% to 53.9% Per cent disease index, with the pathogen affects 60% in tomato field. Alternaria solani isolates were characterized morphologically, confirming typical septate, branched mycelia and muriform conidia. In vitro antifungal screening of eight newer-generation fungicides revealed that achieved the highest inhibition zone (48.15%), followed

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Hardiana, Sindy Sukma, and Abdul Latief Abadi. "Efficacy and Compatibility Test of Pseudomonas fluorescens with Fungicides Pyraclostrobin and Fluxapyroxad Against Alternaria solani in Tomato Plants." Journal of Tropical Plant Protection 6, no. 2 (2025): 93–102. https://doi.org/10.21776/ub.jtpp.2025.006.2.5.

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Early Blight disease is an important disease of tomato plants caused by the fungus Alternaria solani. This disease attack can cause a decrease in production yields up to 78%. Control efforts using synthetic fungicides continuously can cause new problems for the environment. This research was conducted to determine the effect of fungicide applications with active ingredients Pyraclostrobin+Fluxapyroxad and the addition of biological agent Pseudomonas fluorescens on early blight disease and growth of tomato plants. This study consisted of in vivo and in vitro studies with observation parameters

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Li, Wangxi, Lili Sun, Hangtao Wu, et al. "Bacillus velezensis YXDHD1-7 Prevents Early Blight Disease by Promoting Growth and Enhancing Defense Enzyme Activities in Tomato Plants." Microorganisms 12, no. 5 (2024): 921. http://dx.doi.org/10.3390/microorganisms12050921.

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Bacillus velezensis is well known as a plant growth-promoting rhizobacteria (PGPR) and biocontrol agent. Nevertheless, there are very few reports on the study of B. velezensis on tomato early blight, especially the biocontrol effects among different inoculation concentrations. In this study, an IAA-producing strain, Bacillus velezensis YXDHD1-7 was isolated from the tomato rhizosphere soil, which had the strongest inhibitory effect against Alternaria solani. Inoculation with bacterial suspensions of this strain promoted the growth of tomato seedlings effectively. Furthermore, inoculations at 1

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Mugao, Lydia G., Bernard M. Gichimu, Phyllis W. Muturi, and Ezekiel K. Njoroge. "Essential Oils as Biocontrol Agents of Early and Late Blight Diseases of Tomato under Greenhouse Conditions." International Journal of Agronomy 2021 (December 26, 2021): 1–10. http://dx.doi.org/10.1155/2021/5719091.

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Tomato production worldwide is usually restrained by various infections, among them mainly the late and early blight caused by Phytophthora infestans and Alternaria solani, respectively. Lately, there has been a growing concern over the use of synthetic fungicides on environmental and food safety, hence the need to explore other alternatives that are friendly to the user, the consumer, and the general environment. This research sought to test the potency of ginger, garlic, and Mexican marigold essential oils against the early and late blight diseases of tomato under greenhouse conditions. A sy

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Boziné-Pullai, Krisztina, László Csambalik, Dóra Drexler, et al. "Tomato Landraces Are Competitive with Commercial Varieties in Terms of Tolerance to Plant Pathogens—A Case Study of Hungarian Gene Bank Accessions on Organic Farms." Diversity 13, no. 5 (2021): 195. http://dx.doi.org/10.3390/d13050195.

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Landraces are generally neglected by industrialized agriculture, regardless of their potential to provide valuable genetic material for breeding and to diversifying the available assortment for producers and markets. They may also excel in certain plant protection issues with possible resistance or tolerance to plant pathogens. This is the first report on the disease susceptibility traits of Hungarian on certain indeterminate and determinate tomato gene bank accessions under on-farm organic conditions. For this, a three-year on-farm experiment was conducted in two management systems, open-fiel

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周, 新明. "Field Control Efficacy of 60% Enoximide?Propionzin WG on Tomato Early Blight." Hans Journal of Agricultural Sciences 13, no. 11 (2023): 1033–37. http://dx.doi.org/10.12677/hjas.2023.1311141.

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Chipuli, Jane P., and Godfrey W. Luwemba. "Tomato Plant Leaf Disease Detection Using Image Recognition: A Case Study of Mlali in Morogoro Region, Tanzania." European Journal of Information Technologies and Computer Science 3, no. 4 (2023): 18–25. http://dx.doi.org/10.24018/compute.2023.3.4.114.

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Tomato plant diseases pose a big problem as they drastically reduce the quantity of a farm’s yield and also result in poor tomato quality, which may affect users. Detecting and identifying leaf diseases in tomato plants is a big challenge for farmers and agricultural officers due to the lack of necessary knowledge and diagnosis tools. This study developed a diagnostic tool accessible through a mobile phone application that can easily be used in the field. The tool uses image recognition technology to classify tomato disease from affected plants. The methodology used to develop the image recogn

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Ayana, Getachew, and Endriyas Gabrekiristos. "EVALUATION OF IN VITRO EFFECTIVENESS OF SELECTED FUNGICIDES FOR THE MANAGEMENT OF EARLY BLIGHT OF TOMATO CAUSED BY ALTERNARIA SOLANI IN ETHIOPIA." Plant Protection 6, no. 1 (2022): 35–41. http://dx.doi.org/10.33804/pp.006.01.4057.

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Tomato is one of the most popular vegetables grown throughout the world in general and in Ethiopia in particular. Production of the crop is constrained by different diseases and the disease caused by the early blight pathogen, Alternaria solani, is among the major ones. Early blight has been considered as commonly occurring and causing a significant economic impact on the yield and quality of the crops. Major tomato diseases in general and early blight, in particular, could be best managed by integrating a number of control practices and the application of fungicides. The application of fungic

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Feliciano-Rivera, Merari, and Paul Vincelli. "Efficacy of OMRI-certified fungicides and chitosan for managing early blight caused by Alternaria solani and Septoria leaf spot in tomato." Journal of Agriculture of the University of Puerto Rico 107, no. 1 (2023): 41–55. http://dx.doi.org/10.46429/jaupr.v107i1.21222.

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Field studies to evaluate the efficacy of OMRI-certified fungicides and other materials for control of early blight caused by Alternaria solani and Septoria leaf spot of tomato were conducted in Lexington, Kentucky during 2009 and 2010. Nine fungicides as well as ammonium bicarbonate and chitosan were evaluated in an organic production system. The most effective fungicides for managing Septoria leaf spot and early blight of tomato were copper based. None of the biological-based products (Sonata® and Serenade Max®), plant-based extracts (Trilogy® and Regalia® SC), chitosan, ammonium bicarbonate

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Dole, Priyanka, Digvijay Rajaram Chavan, Mukta Joshi, and Shriram Mahadev Mhaske. "Exploring Natural Solutions: Botanical Approaches for Controlling Early Blight in Tomato Plants under Laboratory Conditions." Journal of Experimental Agriculture International 46, no. 8 (2024): 209–14. http://dx.doi.org/10.9734/jeai/2024/v46i82697.

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Around the world, Alternaria solani is the culprit behind the deadly and devastating early blight of tomatoes. To control the mycelial growth of A. solani in this investigation, a concentration of 10% for each plant extract was examined using the poison food technique. In comparison to the control, the pathogen mycelial growth was greatly suppressed by all examined extracts. With a 90.54% inhibition at 10% concentration, garlic clove extract proved to be the most successful of the extracts. Other extracts that showed promise were neem leaf extract (87.83%), ginger (83.78%), eucalyptus (75.67%)

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Grigolli, José Fernando Jurca, Mirian Maristela Kubota, Daniel Pedrosa Alves, et al. "Characterization of tomato accessions for resistance to early blight." Crop Breeding and Applied Biotechnology 11, no. 2 (2011): 174–80. http://dx.doi.org/10.1590/s1984-70332011000200010.

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The purpose of this study was to characterize 50 tomato genotypes of the Vegetable Genebank of the Federal University of Viçosa. They were evaluated together with the controls Débora, Fanny and Santa Clara, in a randomized block design with two replications. The experiment was conducted in a research field of the UFV, from February to May 2007. We evaluated the disease severity, which is the percentage of diseased leaf area. The severity values were transformed into area under the disease progress curve (AUDPC), improving the result visualization. The analysis of variance and grouping of AUDPC

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Roy, Chapol K., Nafiza Akter, Mohammad K. I. Sarkar, et al. "Control of Early Blight of Tomato Caused by Alternaria Solani and Screening of Tomato Varieties against the Pathogen." Open Microbiology Journal 13, no. 1 (2019): 41–50. http://dx.doi.org/10.2174/1874285801913010041.

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Introduction:Early blight is a common disease of tomato, which is caused byAlternaria solani.Objectives:This work was accompanied to find an alternative to chemical fungicides and to screen tomato varieties againstAlternaria solani.Methods:The infected leaves were collected from five tomato fields of Shere-e-Bangla Agricultural University, Dhaka and were cultured for the identification of the infectious fungus and The phytobiocidal role of six plants againstAlternaria solaniwas evaluatedin vitromodel.Results & Discussion:Alternaria solaniwas identified as the infectious fungus. The growth

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Bista, Samarth, and Anjela Adhikari. "A COMPREHENSIVE STRATEGY FOR LATE BLIGHT MANAGEMENT IN POTATO AND TOMATO." Reviews In Food And Agriculture 4, no. 2 (2023): 50–53. http://dx.doi.org/10.26480/rfna.02.2023.50.53.

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Late blight is a highly destructive disease primarily affecting potato (Solanum tuberosum) and tomato (Solanum lycopersicum) and some other closely related crops such as aubergine, pepper, solanaceous weeds such as nightshade species, wild tomato etc. This disease is caused by fungus-like organism oomycetes also known as water mold called Phytophthora infestans. Whereas early blight of potato and tomato are caused by fungus Alternaria solani and Alternaria tomatophila respectively. Heinrich Anton De Bary, the father of modern plant pathology studied the epidemics of Late Blight in 1863 and ren

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Babaeva, G., N. Salybekova, A. Serzhanova, and Esin Basim. "BIOLOGICAL FEATURES OF SPECIES OF PHYTOPATHOLOGICAL FUNGI AFFECTING TOMATOES (LYCOPERSICON ESCULENTUM MILL.) IN THE SOUTHERN REGION OF KAZAKHSTAN." BULLETIN 389, no. 1 (2021): 42–49. http://dx.doi.org/10.32014/2021.2518-1467.6.

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The article considers studies designed to justify the types of pathogens of tomatoes that occur during vegetation and storage, and measures to combat them. The work was carried out in 2019 on a land plot near the rural districts of Babaykorgan, Zhuynek, and Issa of the Turkestan region. As it became known, the growth period of vegetable seedlings depends on the temperature of the soil. In our experience, the seed material was planted in the open ground in early April. The soil was very hot and moist. Depending on the culture and varietal characteristics, the sprouts appeared on 6-15 days after

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Nashwa, S. M. A., and K. A. M. Abo-Elyousr. "Evaluation of various plant extracts against the early blight disease of tomato plants under greenhouse and field conditions." Plant Protection Science 48, No. 2 (2012): 74–79. http://dx.doi.org/10.17221/14/2011-pps.

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The antimicrobial activity of six plant extracts from Ocimum basilicum (Sweat Basil), Azadirachta indica (Neem), Eucalyptus chamadulonsis (Eucalyptus), Datura stramonium (Jimsonweed), Nerium oleander (Oleander), and Allium sativum (Garlic) was tested for controlling Alternaria solani in vitro and in vivo. In in vitro study the leaf extracts of D. stramonium, A. indica, and A. sativum at 5% concentration caused the highest reduction of mycelial growth of A. solani (44.4, 43.3 and 42.2%, respectively), while O. basilicum at 1% and 5% concentration and N. oleander at 5% concentration caused the l

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Kesho, Asela, and Yitagesu Tadesse. "Fruit Yield Loss Assessment of Tomato (Solanum lycopersicum Mill.) due to Late Blight (Phytophthora infestans) Disease in Central Parts of Ethiopia." Middle East Research Journal of Biological Sciences 3, no. 01 (2023): 19–23. http://dx.doi.org/10.36348/merjbs.2023.v03i01.003.

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Tomato is an important vegetable crop grown around the world. Tomato is the most widely cultivated and lucrative vegetable in Ethiopia in particular and in the world in general. It is well known that disease late blight affects tomato crop production and late blight is one of the most devastating diseases of tomatoes worldwide and causes significant loss in production. The objective of this study is to update fruit yield loss assessment data for tomato late blight disease. In this study, 3 treatments were used in a randomized complete block design (RCBD) with three replications. The combined a

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Lanna Filho, Roberto, Reginaldo da Silva Romeiro, and Eduardo Alves. "Bacterial spot and early blight biocontrol by epiphytic bacteria in tomato plants." Pesquisa Agropecuária Brasileira 45, no. 12 (2010): 1381–87. http://dx.doi.org/10.1590/s0100-204x2010001200007.

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The objective of this work was to evaluate in vitro and in vivo biocontrol of bacterial spot (Xanthomonas vesicatoria) and early blight (Alternaria solani) by the epiphytic bacteria Paenibacillus macerans and Bacillus pumilus. Tomato plants were previously sprayed with epiphytic bacteria, benzalkonium chloride and PBS buffer and, after four days, they were inoculated with A. solani and X. vesicatoria. To determine the phytopathogenic bacteria population, leaflet samples were collected from each treatment every 24 hours, for seven days, and plated on semi-selective medium. The effect of epiphyt

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Stevens, C., V. A. Khan, L. D. Ploper, et al. "Reduction of Tomato Early Blight by Combining Soil Solarization and Biological Control Strategies." HortScience 32, no. 4 (1997): 600F—601. http://dx.doi.org/10.21273/hortsci.32.4.600f.

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Combinations of solarized soil (SBS), bare soil control (BS), black plastic mulched soil (BM), row cover (RC), fungicide (chlorothalonil) and biological treatments (Bacillus cereus) were evaluated. SBS vs. BS treatments were main plots, mulch and row covers splitplots and foliage treatments split-splitplots. Application of either foliar treatment was superior to BS. Using a 1/2 rate of fungicide on plants from solarized soil treatments showed equal or comparable reduction of the disease when compared to tomatoes grown in BS with high rates of the fungicide. Combined treatments of solarized + B

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., Ashraf Saber Hawamde, and Shabeer Ahmad . "In vitro Control of Alternaria solani, the Cause of Early Blight of Tomato." Journal of Biological Sciences 1, no. 10 (2001): 949–50. http://dx.doi.org/10.3923/jbs.2001.949.950.

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