2. Articole

Permanent URI for this collectionhttps://msuir.usm.md/handle/123456789/13419

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Start date: 2023Subject: search.filters.subject.Fusarium spp.

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    Antifungal activity of lipid fractions of medicinal plants against Furasium isolates from infected garlic cloves [Articol]
    (Editura USM, 2025) Bobrova, Olena; Golosna, Lesia; Narozhnyi, Stanislav; Osetsky, Aleksandr; Zamecnik, Jiri
    Garlic (Allium sativum L.) is widely cultivated for its culinary and medicinal value but is highly susceptible to fungal diseases, particularly those caused by Fusarium species. This study evaluated the antifungal activity of lipid fractions from seven medicinal plants against Fusarium isolates obtained from infected garlic cloves. The lipid fractions were added to PDA medium and fungal growth was monitored over nine days. The lipid fractions of Eucalyptus mellidora and Salvia officinalis significantly reduced mycelial growth of both isolates compared to the control, suggesting strong antifungal potential. Other oils exhibited moderate or low activity. These findings support the potential use of selected plant-derived lipid fractions as natural fungicides in garlic protection. Further research is needed to validate efficacy under field conditions.
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    Identificarea moleculară a speciilor de fusarium în seminţe de susan (Sesamum indicum L.)
    (CEP USM, 2024-10-07) Belousova, Galina; Mogîlda, Anatolii
    The research focused on the identification of pathogenic fungi of the genus Fusarium in sesame seeds. To evaluate the spectrum of pathogens in seeds, molecular analysis based on nested-PCR was performed. Twelve samples of DNA extracted from sesame seeds obtained under field conditions were analyzed. The analysis revealed the presence of Fusarium spp. in 11 DNA samples tested. Discrimination analysis of 4 pathogen species was performed: F. culmorum, F. equiseti, F. nivali, F. avenaceum. The species F. culmorum and F. équiseti were identified in six samples. The pathogenic fungi F. nivali and F. avenaceum were not identified in the analyzed samples.
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    THE USE OF TRICHODERMA SPECIES AGAINST THE MAIN MYCOTIC PATHOGENS OF WALNUT
    (CEP USM, 2023) Crucean, Ștefan; Șcerbacova, Tatiana; Voloșciuc, Leonid
    Walnut plantations suffer from the impact caused by a number of pathogenic mycotic microorganisms. The most common pathogen fungus is Alternaria alternata and Fusarium poae. In the framework of the research, we aimed to determine the antagonistic activity of the strain Trichoderma harzianum CNMN - FD - 16 against the identified pathogens. Thus, on the 10th day the inhibition of the pathogen A. alternata by T. harzianum is 74%. On the same day, the inhibition of F. poae by T. harzianum is 73%. Trichoderma harzianum suppressed the colonies of A. alternata of 83% - this means 4 points, and the suppression of the colonies of F. poae was 69% - registering 3 points.