Impact Of Pine (<i>Pinus sylvestris</i> L.) And Spruce (<i>Picea abies</i> (L.) Karst.) Bark Extracts On Important Strawberry Pathogens

Minova, Sandra; Sešķēna, Rita; Voitkāne, Santa; Metla, Z.; Daugavietis, M.; Jankevica, Liga

doi:10.1515/prolas-2015-0008

Cited by 16 publications

(17 citation statements)

References 21 publications

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“…Recently, Minova et al (2015) confirmed that ethanol extracts of the bark of P. abies inhibit mycelial growth of B. cinerea, C. acutatum, P. cactorum, and M. fragariae. Bark extracts can reduce the sporulation of B. cinerea, C. acutatum, and P. cactorum (Minova et al 2015). The bark extract of P. abies has the most efficient antioxidant activity within lipid peroxidation tests (Pietarinen et al 2006).…”

Section: Antifungal and Antibacterial Activitiesmentioning

confidence: 90%

In vitro Bioactivity and Antimicrobial Activity of Picea abies and Larix decidua Wood and Bark Extracts

Salem

Elansary

Elkelish

et al. 2016

BioRes

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Picea abies and Larix decidua were subjected to GC/MS analyses, and antimicrobial (fungi and bacteria) assays of their stem wood and bark extracts were investigated. L. decidua bark extract exhibited the highest antifungal and antibacterial activities against the microorganisms that were screened. The microbes Penecillium ochrochloron and Aspergillus ochraceus were the most sensitive to the extracts, whereas Candida albicans was the most resistant fungus. L. decidua wood and bark did not exhibit much variation in their antibacterial activities, except against Micrococcus flavus and Pseudomonas aeruginosa. The bacterium most sensitive to the extracts was Escherichia coli, whereas the most resistant was M. flavus. 13-epimanool and α-cedrol were the main components of P. abies wood extract. The main components in its bark were abietic acid, astringin, dehydroabietic acid, and α-terpineol. The main chemical compounds in L. decidua wood extract were abietic acid, oleanolic acid, duvatrienediol, and larixol. The main chemical compounds in its bark were (-)-2,9-dihydroxyverrucosane and larixol. The study revealed that P. abies and L. decidua stem wood and bark extracts contain several compounds that have antimicrobial activities towards diverse human pathogenic, food, and agricultural microbes. These results might guide in future searches for novel natural products with chemotherapeutic uses. (El-Shatby), Alexandria University, Alexandria, Egypt; b: Molecular Biology Laboratory, Floriculture, Ornamental Horticulture and Garden Design Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, Egypt; c: Department of Botany, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt; d: Department of Wood Processing, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic; e: Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; f: Department of Timber Trees Research, Sabahia Horticulture Research Station, Horticulture Research Institute, Agriculture Research Center, Alexandria, Egypt; g: Department of Environmental Sciences, University of South Africa, Florida campus, Florida 1710, South Africa; * Corresponding author: zidan_forest@yahoo.com; mohamed-salim@alexu.edu.eg Keywords: Picea abies; Larix decidua; Antifungal activity; Antibacterial activity; GC/MS Contact information: a: Department of Forestry and Wood Technology, Faculty of Agriculture INTRODUCTIONForestry residues such as tree barks and branches are important but underexplored supplies of biologically or pharmaceutically active compounds (Liimatainen et al. 2012;Si et al. 2012;Patinha et al. 2013). Tree bark, for example, provides not only a physical protective barrier for plants, but also an important chemical defense mediated through the secondary compounds they produce (Horsfall 1980;Merrill 1992;Alfredsen et al. 2008). Numerous studies recently conducted on bark extracts focus on tropical tree spec...

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Section: Antifungal and Antibacterial Activitiesmentioning

confidence: 90%

In vitro Bioactivity and Antimicrobial Activity of Picea abies and Larix decidua Wood and Bark Extracts

Salem

Elansary

Elkelish

et al. 2016

BioRes

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“…En este sentido, la ICM es similar a la reportada por El-Kateeb et al (2013) con extractos metanólicos al 0.4 % de hojas de V. vinifera 'Thompson seedless' y 'Flame seedless' (entre 63 y 72 %). Particularmente, el modo de acción de los polifenoles contra B. cinerea no ha sido totalmente explicado, pero se ha sugerido que actúan sobre la membrana citoplasmática, produciendo cambios en su permeabilidad, ocasionando liberación del contenido celular, coagulación del material citoplasmático y desorganización de organelos y membrana celular, todo ello inhibe el desarrollo del micelio y evita su esporulación (Adrian y Jeandet, 2012;Minova et al, 2015). Por otro lado, se ha indicado que polifenoles del tipo ácido 3b-hydroxy-kaurenoico están involucrados con reducción en la germinación de B. cinerea .…”

Section: Fully Bilingualunclassified

“…In particular, the action mode of polyphenols against B. cinerea has not been fully explained, but it has been suggested that they act upon the cytoplasmic membrane and change its permeability causing the cell content to be released, the cytoplasmic material to coagulate and the organelles and cell membrane to become disorganized. All this inhibits the development of mycelium and prevents sporulation (Adrian y Jeandet, 2012;Minova et al, 2015). It has been suggested that polyphenols of the type 3b-hydroxy-kaurenoic acid are involved in the reduction of B. cinerea spores germination .…”

Section: Fully Bilingualmentioning

confidence: 99%

Inhibición in vitro de Botrytis cinerea con extractos de hojas de vid silvestre (Vitis spp.)

Rodríguez¹,

Mora²,

Siclán³

et al. 2017

RMF

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Abstract. The extracts of wild grapevines (Vitis) leaves (EHVS) from three accessions (P-178, E-200 and TN-4) at 6, 8 and 12 % v/v, were tested in vitro to evaluate their inhibitory effect on Botrytis cinerea development. Resveratrol (RVS) (60, 90, 120 µg/mL), citrus extracts (EC) (3, 5 and 8 % v/v) and cyprodinil + fludioxonil (SW) (500, 800 and 1000 µg/mL) were compared against EHVS. In average, SW presented inhibition of mycelial growth (ICM), sporulation (IE) and spore germination (IGC) (88.9; 85.5 and 93.7 %, average respectively). RVS presented the second higher inhibition rate. All EHVS presented antifungal activity; specially, P-178 at 12 % resulted in 72 % ICM, 75 % IE and 62 % IGC. This dose contained phenolic compounds 19.9 mg/mL, RVS 1.7 mg/mL, gallic acid 3.8 mg/mL and ferulic acid 2.5 mg/mL.

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“…On the other side, removed bark represents row material with a whole scale of valuable purposes. Substrate formulations, soil conditioners, plant protection, health and industrial products, bioremediation agents are some of the potential applications of this material considered as a waste [1,[3][4][5][6]. Coniferous bark as a component of commercial substrates increases water and nutrient availability and exhibits antifungal, antibacterial, and insecticidal effects [3][4].…”

Section: Introductionmentioning

confidence: 99%

Potential of Trichoderma spp. and Pinus sylvestris Bark Extracts as Biocontrol Agents against Fungal Pathogens Residing in the Botryosphaeriales

Karličić

Jovičić-Petrović

Marojević

et al. 2020

The 1st International Electronic Conference on Forests—Forests for a Better Future: Sustainability, Innovation, Inter

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The Botryosphaeriales represents a diverse order of fungal pathogens of various woody plant species. In Serbia, these fungi are important pathogens of forest, ornamental and fruit trees causing die-back, cankers, leaf blights, fruit, and root rot. The aim of this study was to evaluate the antifungal activity of Pinus sylvestris bark extracts and Trichoderma spp. against Botryosphaeria dothidea, Dothiorella sarmentorum and Neofusicoccum parvum (Ascomycota: Botryosphaeriales) isolated from Picea abies, Thuja occidentalis and Prunus laurocerasus trees planted in urban areas in Serbia. Bark extracts were prepared in water solution at two temperatures (80 and 120 ºC). The extracts were tested using two concentrations (20 and 30%). Moreover, two Trichoderma isolates obtained from P. sylvestris bark were tested against Botryosphaeriales and their antagonistic potential was estimated in vitro using a confrontation test. Mycelial growth of B. dothidea and D. sarmentorum was significantly inhibited in the presence of bark extracts, while N. parvum showed no growth inhibition. Botryosphaeria dothidea growth was inhibited by 35 to 39% in the case of 20% extracts and by 39 to 44% in the case of 30% extracts. The growth inhibition of D. sarmentorum was between 48 to 56% in the case of 20% extracts and 53 to 60% in the case of 30% extracts. The two Trichoderma isolates showed antifungal activity against the selected pathogens. An isolate BKG 4 showed the highest inhibition level and it inhibited the growth of B. dothidea, D. sarmentorum and N. parvum by 85, 75 and 62%, respectively. Preliminary results suggest that both P. sylvestris bark extracts and Trichoderma spp. could be used as biocontrol agents against B. dothidea, D. sarmentorum and N. parvum, and this deserves a further study.

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Impact Of Pine (Pinus sylvestris L.) And Spruce (Picea abies (L.) Karst.) Bark Extracts On Important Strawberry Pathogens

Cited by 16 publications

References 21 publications

In vitro Bioactivity and Antimicrobial Activity of Picea abies and Larix decidua Wood and Bark Extracts

In vitro Bioactivity and Antimicrobial Activity of Picea abies and Larix decidua Wood and Bark Extracts

Inhibición in vitro de Botrytis cinerea con extractos de hojas de vid silvestre (Vitis spp.)

Potential of Trichoderma spp. and Pinus sylvestris Bark Extracts as Biocontrol Agents against Fungal Pathogens Residing in the Botryosphaeriales

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