Susceptibility of strawberry cultivars to root and crown rot caused by Macrophomina phaseolina

Montejo‐Sánchez, Samuel; Henríquez, José Luis; Urcola, L.A.; Scott, A.; Gambardella, M.

doi:10.3233/jbr-150114

Cited by 23 publications

(17 citation statements)

References 33 publications

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“…M. phaseolina is frequently associated with plant diseases and with significant economic impact on some crops (e.g., soybean, sunflower, sesame, melon) [17][18][19][20]. The present paper describes the identification of six secondary metabolites produced by M. phaseolina PE35 (isolated from E. globulus) in liquid medium.…”

Section: Discussionmentioning

confidence: 99%

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Secondary Metabolites Produced by Macrophomina phaseolina Isolated from Eucalyptus globulus

et al. 2020

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In the course of investigations on the role of secondary metabolites in plant-microbe interactions, the production of secondary metabolites by Macrophomina phaseolina isolates from Eucalyptus globulus, was studied. This fungus is responsible for several plant diseases which affect crop productivity and industry. Although secondary metabolites may play a role in disease development, there are very few reports on M. phaseolina metabolomics and, as far as we know, isolates from eucalypts have not been investigated for secondary metabolites production. In the present paper, metabolites typical of fungi, from the family Botryosphaeriaceae, were identified for the first time as products of M. phaseolina. Furthermore, the isolate under examination was grown in the presence and absence of host stem tissue, and metabolite profiles were compared. Five products are reported for the first time in this species and azelaic acid was exclusively produced in the presence of eucalypt stem. Finally, phytotoxicity and cytotoxicity tests of culture filtrates and crude organic extracts were also performed. Key Contribution: Lipophilic metabolites produced by M. phaseolina might play a role in the plant-fungus interactions responsible for serious diseases of E. globulus.

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Section: Discussionmentioning

confidence: 99%

“…Among them, M. phaseolina (Tassi) Goid. is responsible for serious damages of eucalypt plantations [14,15] and other economically important crops, such as soybean, sunflower, sesame, melon and strawberry [16][17][18][19][20]. In fact, M. phaseolina attacks a wide range of hosts in more than 500 cultivated and wild plant species [21].…”

Section: Introductionmentioning

confidence: 99%

Secondary Metabolites Produced by Macrophomina phaseolina Isolated from Eucalyptus globulus

et al. 2020

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“…Os frascos foram mantidos em estufa tipo D.B.O a 28 ± 2 °C, por 15 dias, até a colonização completa dos substratos. Para os dois métodos utilizaram-se 8 gramas de inóculo na superfície do substrato (16).…”

Section: Methodsunclassified

Métodos de inoculação de Fusarium solani e Sclerotium rolfsii em meloeiro

et al. 2019

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RESUMO A podridão-do-colo do meloeiro, causada por Fusarium solani (Mart.). e a murcha do Sclerotium, causada pelo patógeno Sclerotium rolfsii Sacc., são importantes doenças que acometem o meloeiro. Metodologias adequadas de inoculação destes patógenos nas culturas são de grande importância para diversos estudos envolvendo o controle destas doenças, como a resistência de acessos de meloeiro. Desta forma, este trabalho teve como objetivo determinar métodos de inoculação de F. solani e S. rolfsii em meloeiro, com intuito de verificar uma metodologia de inoculação adequada e eficiente para estudos com os referidos patógenos. Dois experimentos foram conduzidos em casa de vegetação. No primeiro experimento estudou-se 4 métodos de inoculação para F. solani em 5 acessos de meloeiro. O segundo, testou-se 5 métodos de inoculação para S. rolfsii em 4 acessos da mesma cultura. O delineamento experimental foi em blocos casualizados com 5 repetições. Os métodos de inoculação utilizados foram: inoculação com palito de dente colonizado com estruturas do patógeno, discos de BDA com estruturas do fungo, infestação do solo com arroz colonizado com estruturas do fungo e infestação do solo com milho colonizado com estruturas do fungo. Para o S. rolfsii foi acrescentado o método dos escleródios. Em ambos os experimentos foram utilizadas sementes de melão das cultivares Iracema, Olimpic, A-16, A-50 e A-15, exceto A-15 para o fungo S. rolfsii. Utilizou-se a macro SAS F1_LD_F1 para realizar a análise de variância. Para o patógeno F. solani, as metodologias do palito e arroz infestado foram as mais eficientes. Já o método do arroz infestado foi o mais eficiente para o fungo S. rolfsii.

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“…We were grouping the isolates according to isolates pathogenicity to moderately pathogenic, highly pathogenic, severe and destructive isolates. The variation among M. phaseolina isolates pathogenicity can be referred to the high genetic diversity and the diversity in the genotypes can refer to a phenotypes differences between these isolates, and therefore affect their virulence (Sánchez et al, 2016).…”

Section: Discussionmentioning

confidence: 99%

Survey, Varietal Reaction and Chemical Control of Strawberry Charcoal Rot in Egypt

Bakr

Hamad

2019

Pak. J. Phytopathol.

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A survey was carried out to know the occurrence of charcoal rot disease of strawberry caused by Macrophomina phaseolina in different selected locations representing different soil types during the growing season of strawberry in Badr and Kom Hamada Districts in El-Behira governorate, Egypt. Also, the effect of five chemical fungicides at five concentrations was determined in vitro and in vivo experiments against M. phaseolina compared to the control. A total of 69 strawberry samples collected from farmer’s fields. Disease incidence (DI) and percentage of disease incidence (PDI) and disease index were recorded. Results revealed that percentage of disease incidence varies among the surveyed locations. Macrophomina phaseolina isolates M3 and M4 were the most destructive isolates. Results indicate that the selected Four strawberry cultivars showed different susceptibility to charcoal rot and Festival was the high susceptible cultivar. Our findings revealed that at 100 ppm concentration the most of the fungicides used inhibited the M. phaseolina mycelium growth, however the higher rate was recorded with Sendo by 91.95 % followed by 91.12% in Rhizolex-T and the least rate was recorded with Ridomil gold plus by 31.67%. At 200 ppm Rhizolex-T gave the highest inhibition by 96.67%, followed by Sendo and Sandcur by 95.96 and 95.00 % respectively while Ridomil gold plus gave the least inhibition rate by 43.06%.Results illustrated that use of fungicides markedly increased the survival of strawberry plants. The highest plant survival percentage was recorded with Rhizolex-T by 80% followed Sendo by 60%, while least plants survival percentage was recorded with Ridomil gold plus by10% compared with infected untreated control.

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Susceptibility of strawberry cultivars to root and crown rot caused by Macrophomina phaseolina

Cited by 23 publications

References 33 publications

Secondary Metabolites Produced by Macrophomina phaseolina Isolated from Eucalyptus globulus

Secondary Metabolites Produced by Macrophomina phaseolina Isolated from Eucalyptus globulus

Métodos de inoculação de Fusarium solani e Sclerotium rolfsii em meloeiro

Survey, Varietal Reaction and Chemical Control of Strawberry Charcoal Rot in Egypt

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