Tytuł artykułuAntifungal activity of Solanum extracts against phytopathogenic Curvularia lunata
Tytuł czasopismaJournal of Plant Protection Research
Słowa kluczoweCurvularia lunata ; botanical extracts ; control plant diseases ; leaf spot disease ; phytopathogen inhibition ; plant antifungals
Wydział PANNauki Biologiczne i Rolnicze
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Journal of Plant Protection Research is an international peer-reviewed journal that publishes original papers, rapid communications, reviews, covering all areas of plant protection. Subjects include phytopathological virology, bacteriology, mycology and applied nematology and entomology as well as topics on protecting crop plants and stocks of crop products against diseases, viruses, weeds etc.
The Journal is published by Institute of Plant Protection – National Research Institute and Committee on Agronomic Sciences of the Polish Academy of Sciences. By 1997 under the title Prace Naukowe Instytutu Ochrony Roślin and Annals of Agricultural Sciences - Series E - Plant Protection).
JPPR publishes original research papers, rapid communications, critical reviews, and book reviews covering all areas of modern plant protection. Subjects include phytopathological virology, bacteriology, mycology and applied nematology and entomology as well as topics on protecting crop plants and stocks of crop products against diseases, viruses, weeds etc. We publish papers which use an interdisciplinary approach showing how different control strategies can be integrated into pest management programmes, which cover high and low input agricultural systems worldwide, within the framework of ecologically sound and economically responsible land cultivation.
Relevant topics include: advanced methods of diagnostic, and computer-assisted diagnostic plant research and new findings, biological methods of plant protection, selective chemical methods of plant protection, the effects of plant-protecting agents and their toxicology, methods to induce and utilize crop resistance, application techniques, and economic aspects of plant protection.
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Several species of Solanum produce secondary metabolites with antimicrobial activity. In
the present study, the inhibitory activity of Solanum chrysotrichum, S. erianthum, S. torvum
and S. rostratum against phytopathogenic Curvularia lunata was determined. Methanol extracts
from roots, stems, leaves and fruits were evaluated by the method of mycelial inhibition
on agar and the minimum inhibitory concentration (MIC) was determined on a liquid
medium. To increase the antimicrobial activity, the combined activity of the most active
extracts for each phytopathogen was also determined (a combination of intra and interspecies
extracts). The results showed that 12 of the 16 methanolic extracts of Solanum species
had antifungal effects against C. lunata. The extracts of S. rostratum and S. erianthum
developed the highest activity (~80% inhibition and 28.4 MIC μg . ml–1), even, equal to or
greater than, the reference fungicide. The mixture of the active extracts of S. chrysotrichum
and S. torvum increased their activity. Various extracts affected the macro and microscopic
morphology and most of them reduced the number of conidia of the fungus. This resulted
in the capacity to control the vegetative growth and reproduction of C. lunata, the causal
fungus of corn leaf spot disease.
WydawcaCommittee of Plant Protection PAS ; Institute of Plant Protection – National Research Institute
IdentyfikatoreISSN 1899–007X ; ISSN 1427–4345