| Autor: |
Cavalcante ALA; Departamento de Ciências Agronômicas e Florestais, Universidade Federal Rural do Semi-Árido, Mossoró RN 59625-900, Brazil., Negreiros AMP; Departamento de Ciências Agronômicas e Florestais, Universidade Federal Rural do Semi-Árido, Mossoró RN 59625-900, Brazil., Tavares MB; Departamento de Ciências Agronômicas e Florestais, Universidade Federal Rural do Semi-Árido, Mossoró RN 59625-900, Brazil., Barreto ÉDS; Departamento de Ciências Agronômicas e Florestais, Universidade Federal Rural do Semi-Árido, Mossoró RN 59625-900, Brazil., Armengol J; Instituto Agroforestal Mediterráneo, Universitat Politècnica de València, Camino de Vera S/N, 46022 Valencia, Spain., Sales Júnior R; Departamento de Ciências Agronômicas e Florestais, Universidade Federal Rural do Semi-Árido, Mossoró RN 59625-900, Brazil. |
| Jazyk: |
angličtina |
| Zdroj: |
Journal of fungi (Basel, Switzerland) [J Fungi (Basel)] 2020 Sep 10; Vol. 6 (3). Date of Electronic Publication: 2020 Sep 10. |
| DOI: |
10.3390/jof6030169 |
| Abstrakt: |
In this study, five new recently described Monosporascus species, M . brasiliensis , M . caatinguensis , M . mossoroensis , M . nordestinus , and M . semiaridus, which were found on weeds collected from cucurbit cultivation fields in northeastern Brazil, are characterized regarding mycelial growth at different pH levels and salinity (NaCl) concentrations, their pathogenicity to selected cucurbit species, and their sensitivity to fungicides with different modes of action. Our results reveal great variability among the representative isolates of each Monosporascus spp. All of them showed a wide range of tolerance to different pH levels, and NaCl significantly reduced their in vitro mycelial growth, although no concentration was able to inhibit them completely. In pathogenicity tests, all seedlings of cucurbits evaluated, melon, watermelon, cucumber, and pumpkin, were susceptible to the five Monosporascus spp. in greenhouse experiments using artificial inoculation of roots. Moreover, all Monosporascus spp. were highly susceptible to the fungicides fludioxonil and fluazinam. Our findings provide relevant information about the response of these new Monosporascus spp. to environmental factors, plant genotypes and fungicides. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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