Chemical composition of essential oils of four Eucalyptus species and their phytotoxicity on silverleaf nightshade (Solanum elaeagnifolium Cav.) in Australia

Zhang, Jinbiao; An, Malaviya; Wu, Hanwen; Liu, De Li; Stanton, Rex

doi:10.1007/s10725-012-9711-5

Cited by 59 publications

(56 citation statements)

References 13 publications

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“…Several reports indicated that monoterpenoids was lethal to the insects through inhibition of the activity of the acetyl choline esterase (AChE) enzyme (Houghton et al 2006). In the current study, the main compound of E. dundasii essential oil was found to be 1,8-cineole, a monoterpenoid, and this finding is supported by many researchers Fathi and Sefidkon 2012;Zhang et al 2012). The main component of the fumigation toxicity agent in the essential oils against storage pests was found to be 1,8-cineole (Cimanga et al 2002;Lee et al 2004;Rajendran and Sriranjini 2008).…”

Section: Discussionsupporting

confidence: 80%

Eucalyptus dundasii Maiden essential oil, chemical composition and insecticidal values against Rhyzopertha dominica (F.) and Oryzaephilus surinamensis (L.)

Aref¹,

Valizadegan²,

Farashiani³

2015

Journal of Plant Protection Research

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Abstract:The insecticidal effects of Eucalyptus dundasii Maiden essential oil was studied on the adults of the lesser grain borer, Rhyzopertha dominica (F.), and the saw-toothed grain beetle, Oryzaephilus surinamensis (L.). Essential oil was obtained by the hydro-distillation method and essential oil composition was analysed by GC-MS. Chemical analysis indicated that 1,8-cineole (54.15%), p-cymene (12.41%), α-thujene (11.37%), and E-caryophyllene (6.7%) were major constituents. For R. dominica and O. surinamensis, the LC 50 of E. dundasii essential oil was 41.69 and 57.92 μl · l -1 of air, respectively. Increasing the concentration of the essential oil and the exposure time, increased mortality. The durability of fumigant toxicity on O. surinamensis adults was higher than on R. dominica adults and was statistically different. Based on the mean of the repellent indexes and the standard deviation, E. dundasii essence was repellent for both insects at 70, 140, and 280 μl · l -1 of air concentrations. Statistical analysis showed that Relative Growth Rate (RGR) in O. surinamensis was higher than in R. dominica, and the Relative Consumption Rate (RCR), the Efficiency of Conversion of Ingested food (ECI), and the Feeding Deterrence Index (FDI) in O. surinamensis was lower than in R. dominica. The many diverse bio-effects of E. dundasii essential oil confirmed that it is a good candidate for management of R. dominica and O. surinamensis.

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Section: Discussionsupporting

confidence: 80%

Eucalyptus dundasii Maiden essential oil, chemical composition and insecticidal values against Rhyzopertha dominica (F.) and Oryzaephilus surinamensis (L.)

Aref¹,

Valizadegan²,

Farashiani³

2015

Journal of Plant Protection Research

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“…Our previous study has confirmed that the phytotoxicity of essential oils (water insoluble fractions) from leaves of these four Eucalyptus species on silverleaf nightshade [15]. The essential oils were extracted by steam distillation from the leaves of the four Eucalyptuses .…”

Section: Introductionmentioning

confidence: 60%

Phytotoxic Activity and Chemical Composition of Aqueous Volatile Fractions from Eucalyptus Species

Zhang

et al. 2014

PLoS ONE

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The essential oils from four Eucalyptus species (E. spathulata, E. salubris, E. brockwayii and E. dundasii) have been previously confirmed to have stronger inhibitory effects on germination and seedling growth of silverleaf nightshade (Solanum elaeagnifolium Cav.). The aqueous volatile fractions (AVFs) were the water soluble volatile fractions produced together with the essential oils (water insoluble fractions) during the steam distillation process. The aim of this study was to further assess the phytotoxicity of AVFs from the four Eucalyptus species and their chemical composition. The fresh leaves of the four Eucalyptus species were used for the extraction of AVFs. The AVFs were tested for their phytotoxic effects on the perennial weed, silverleaf nightshade under laboratory conditions. The chemical compositions of the AVFs were determined by gas chromatograph–mass spectrometry (GC-MS). Our results showed that the AVFs had strong inhibition on the germination and seedling growth of silverleaf nightshade. The inhibition index increased with the increasing concentrations of AVFs. The inhibitory effects of the AVFs varied between different Eucalyptus species. The AVF from E. salubris demonstrated the highest inhibitory activity on the weed tested, with complete inhibition on germination and seedling growth at a concentration of 75%. The GC-MS analysis revealed that 1,8-cineole, isopentyl isovalerate, isomenthol, pinocarvone, trans-pinocarveol, alpha-terpineol and globulol were the main compounds in the AVFs. These results indicated that all AVFs tested had differential inhibition on the germination and seedling growth of silverleaf nightshade, which could be due to the joint effects of compounds present in the AVFs as these compounds were present in different quantities and ratio between Eucalyptus species.

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“…Twenty-one compounds were identified in the oil of E. spathulata with 1,8-cineole (72.5%) and α-pinene (12.7%) as the main components (Sefidkon et al 2007). Zhang et al (2012) found that the E. spathulata oil contained 60 compounds, predominantly 1,8-cineole (52.9%) and α-pinene (31.0%). The main components identified in E. oleosa were 1,8-cineole (89.4%), β-pinene (1.2%), and α-pinene (1%) (Jaimand et al 2009).…”

Section: Resultsmentioning

confidence: 99%

Evaluation of the Insecticidal Activities of Three Eucalyptus Species Cultivated in Iran, Against Hyphantria Cunea Drury (Lepidoptera: Arctiidae)

Ebadollahi¹,

Rahimi‐Nasrabadi²,

Batooli³

et al. 2013

Journal of Plant Protection Research

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In the current study, the larvicidal activity of leaf essential oils from three eucalyptus species (Eucalyptus largiflorens Meull, Eucalyptus oleosa Meull, and Eucalyptus spathulata Hook) against American white moth, Hyphantria cunea Drury 1773 (Lepidoptera: Arctiidae), was investigated. Mortality was recorded daily for three days after treatment. Leaf disc bioassays revealed that all three oils had strong insecticidal activity on the experimental insects insofar as 50% lethal concentrations (LC 50 ) for E. oleosa, E. spathulata, and E. largiflorens at 24 h exposure time were 0.36, 0.61, and 1.24%, respectively. The time needed to kill 50% (LT 50 ) values were calculated as 9.09 h with E. largiflorens, 11.03 h with E. oleosa, and 13.03 h with E. spathulata at the highest concentrations (2.5% for E. largiflorens, 2% for E. oleosa, and 2.5% for E. spathulata). Based on probit analysis, an increase in the susceptibility of the insect was associated with an increase in the different concentrations of all oils and the increase in the time of exposure. The results of this study show that leaf essential oils of E. largiflorens, E. oleosa, and E. spathulata might be considered as a potent source for the production of fine natural larvicides.

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Chemical composition of essential oils of four Eucalyptus species and their phytotoxicity on silverleaf nightshade (Solanum elaeagnifolium Cav.) in Australia

Cited by 59 publications

References 13 publications

Eucalyptus dundasii Maiden essential oil, chemical composition and insecticidal values against Rhyzopertha dominica (F.) and Oryzaephilus surinamensis (L.)

Eucalyptus dundasii Maiden essential oil, chemical composition and insecticidal values against Rhyzopertha dominica (F.) and Oryzaephilus surinamensis (L.)

Phytotoxic Activity and Chemical Composition of Aqueous Volatile Fractions from Eucalyptus Species

Evaluation of the Insecticidal Activities of Three Eucalyptus Species Cultivated in Iran, Against Hyphantria Cunea Drury (Lepidoptera: Arctiidae)

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