Efecto pediculicida de una formulación en base a Eucaliptus globulus L

Avello, Marcia; Fernández, P; Fernández, Marcos; Schulz, Berta; Diego, Marta de; Mennickent, Sigrid; Novoa, Pedro; Pastene, Edgar

doi:10.4067/s0716-10182016000400008

Cited by 5 publications

(3 citation statements)

References 13 publications

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“…The action of the allelochemicals from different materials of eucalyptus is already described in the literature on different species (Sasikumar et al, 2002;Florentine and Fox, 2003;Javed et al, 2012;Bhagat et al, 2012;Avello et al, 2016). However, for the torelliodora eucalyptus (hybrid resulting from Corymbia citriodora x Eucalyptus torelliana) no chemical constituents were reported with allelopathic action.…”

Section: Introductionmentioning

confidence: 96%

“…The species of the genus Eucalyptus are rich in terpenoids, followed of steroids, polar compounds (Avello et al, 2016). However other classes of constituents were mentioned for different species, as for example, in the hydroalcoholic extract of dried leaves of E. benthamii Maiden et Cambage were described the triterpenes, steroids, tannins and the flavonic and saponinic glycosides (Döll-Boscardin et al, 2010).…”

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confidence: 99%

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Phytochemistry and Allelophatic Potential of Torelliodora Eucalyptus Leaves on Germination and Initial Growth of Mutambo

et al. 2018

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Considering the possibility of a intercropping between exotic and native wood species for Legal Reserve areas restoration, information is needed about the possible interactions (positive or negative) between the involved species. The aim of this study was to determine the allelochemicals classes of aqueous extracts from dried and fresh leaves of torelliodora eucalyptus, as well as to evaluate the allelopathic potential of these extracts in the germination and initial growth of Guazuma ulmifola, a native species from Cerrado. To obtain the aqueous extracts at the concentrations of 25 mg mL-1, 50 mg mL-1, 100 mg mL-1 and 200 mg mL-1, the fresh and dried leaves of the eucalyptus were separately subjected to turbolize, followed by an ultrasound bath for two hours and static maceration, in darkness, for 48 hours in a refrigerator. The extracts were subjected to classical phytochemical analysis and determination of pH, electrical conductivity, soluble solids and allelopathic tests. For the germination and growth biological tests, a completely randomized experimental design with four replications per treatment was performed. The phytochemical analysis indicated that the phenolic compounds and derivatives are the major constituents of the aqueous extract of fresh and dried leaves of the tolleriodora eucalyptus, with predominance of the flavonoid contents on the dried leaves. Dried and fresh leaves extracts of torelliodora eucalyptus influenced G. ulmifolia germination, but this effect was dependent on their concentration. Initial seedling growth of G. ulmifolia was negatively influenced only by the dried leaves extract of the exotic species.

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Section: Introductionmentioning

confidence: 96%

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confidence: 99%

Phytochemistry and Allelophatic Potential of Torelliodora Eucalyptus Leaves on Germination and Initial Growth of Mutambo

et al. 2018

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“…Its essential oil has been included in a mixture with other volatile oils to relieve muscular aches, arthritis and respiratory troubles [3], being recently corroborated the mucolytic effect of the fluid extract obtained from the leaves of E. globulus together Borago officinalis L. and Sambucus nigra L. [4]. In addition, their essential oil is also a recognized insecticidal agent commonly used not only as an alternative pediculicide with a 100% of effectiveness in humans [5) but also as insect repellent against harmful creatures in agriculture, such as housefly (Musca domestica) and Acanthoscelides obtectus [6][7][8]. In this sense, E. globulus essential oil is being studied for pest control in food production, due to its wide-spectrum antimicrobial activity against storage foodstuff pathogens, like certain bacteria including Escherichia coli and Pseudomonas aeruginosa [9], fungal strains with a dose-dependent fungicidal effect against Aspergillus flavus and A. parasiticus and their aflatoxin production [10] and also against the normal development of Fusarium verticillioides by delaying spore germination causing a reduction in fumonisin production, too [11], as well as against other food spoilage microorganisms, such as yeasts strains (Candida albicans and Sacchromyces cerevisiae) [9].…”

Section: Introductionmentioning

confidence: 99%

Post-emergence herbicidal activity of <em>Eucalyptus globulus</em> Labill. essential oil

Blázquez¹,

Ibáñez²

2018

Proceedings of MOL2NET 2018, International Conference on Multidisciplinary Sciences, 4th Edition

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Weed resistances to synthetic herbicides, as well as consequent health and environmental problems, are important items to find more eco-friendly natural alternatives to weed control. Eucalyptus globulus Labill. essential oil has been traditionally used against respiratory troubles as well as insect repellent due to 1,8-cineole content. Chemical composition of commercial E. globulus essential oil and its phytotoxic activity against three common annual weeds (Portulaca oleracea L., Echinochloa crus-galli (L) Beau. and Lolium multiflorum Lam.) has been studied. Twenty-eight compounds reaching 99.83% of the total essential oil were identified by gas chromatography-mass spectrometry analysis. The oxygenated monoterpene 1,8-cineole (76.43±0.35%), followed by the monoterpene hydrocarbon α-pinene (14.64±0.27%) were the main compounds. E. globulus essential oil lacks of phytotoxicity against the seed germination of the tested weed, showing significant effect on hypocotyl and radicle elongation of E. crus-galli at the highest dose (1 µL/mL) assayed and radicle inhibitory effects at all concentrations applied (0.125, 0.25, 0.50 and 1 µL/mL) against L. multiflorum. E. globulus essential oil could be used in the management of E. crus-galli due to its post-emergence herbicidal activity.

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Eucalyptus essential oils in pest control: a review of chemical composition and applications against insects and mites

Danna¹,

Malaspina²,

Cornara³

et al. 2024

Crop Protection

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Efecto pediculicida de una formulación en base a Eucaliptus globulus L

Cited by 5 publications

References 13 publications

Phytochemistry and Allelophatic Potential of Torelliodora Eucalyptus Leaves on Germination and Initial Growth of Mutambo

Phytochemistry and Allelophatic Potential of Torelliodora Eucalyptus Leaves on Germination and Initial Growth of Mutambo

Post-emergence herbicidal activity of <em>Eucalyptus globulus</em> Labill. essential oil

Eucalyptus essential oils in pest control: a review of chemical composition and applications against insects and mites

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