Repellent activity of Cymbopogon citratus and Tagetes minuta and their specific volatiles against Megalurothrips sjostedti

2019 ◽  
Vol 143 (8) ◽  
pp. 855-866 ◽  
Author(s):  
Seydou Diabate ◽  
Thibaud Martin ◽  
Lucy Kananu Murungi ◽  
Komi K. M. Fiaboe ◽  
Sevgan Subramanian ◽  
...  
Keyword(s):  
Repellent Activity ◽  
Cymbopogon Citratus ◽  
Megalurothrips Sjostedti ◽  
Tagetes Minuta

scholarly journals Repellent Activity of Cymbopogon citratus Essential Oil Against Four Major Stored Product Pests: Plodia interpunctella, Sitophilus oryzae, Acanthoscelides obtectus and Tribolium castaneum

2021 ◽  
Vol 70 (3-4) ◽  
pp. 140-148
Author(s):  
Sonja Gvozdenac ◽  
Biljana Kiprovski ◽  
Milica Aćimović ◽  
Jovana Stanković Jeremić ◽  
Mirjana Cvetković ◽  
...  
Keyword(s):  
Essential Oil ◽  
Tribolium Castaneum ◽  
Sitophilus Oryzae ◽  
Chemical Characterization ◽  
Plodia Interpunctella ◽  
Repellent Activity ◽  
Class Iii ◽  
Cymbopogon Citratus ◽  
Acanthoscelides Obtectus ◽  
Stored Product Pests

Summary The purpose of this study is to assess the repellent activity of lemongrass (Cymbopogon citratus) essential oil (EO), grown in Serbia under greenhouse conditions, against four prevalent stored product pests: Plodia interpunctella (larvae), Sitophilus oryzae, Acanthoscelides obtectus and Tribolium castaneum (adults). The lemongrass EO repellency was tested using filter paper in Petri dishes and a Y-tube olfactometer. According to the repellency index (RI), the lemongrass EO repellency was divided into 5 classes. Prior to biotesting, the chemical characterization of lemongrass EO was performed and the following main compounds were detected: myrcene (31.0%), geranial (30.0%), and neral (23.6%). The C. citratus EO considered was found to exhibit the Class III repellent activity against P. interpunctella larvae only at the highest concentration (namely 0.5%). This is the very first report on the C. citratus EO repellent activity against this pest. The lemongrass EO examined showed strong repellency (Class IV) against S. oryzae (0.2% and 0.5% of EO), A. obtectus (0.1% and 0.2%), and T. castaneum (0.05-0.1%). Moreover, higher lemongrass EO concentrations (0.5%) were found to exhibit extreme repellency (Class V) against A. obtectus and T. castaneum. The results obtained were confirmed in the bioassays performed, indicating the great potential of lemongrass EO as a bio-repellent when applied in higher concentrations to all the insects considered, regardless of the exposure period.

scholarly journals Ovicidal and Repellent Activities of Several Plant Essential Oils Against Periplaneta americana L. and Enhanced Activities from their Combined Formulation

2021 ◽  
Author(s):  
Mayura Soonwera ◽  
Tanapoom Moungthipmalai ◽  
Wacharaporn Takawirapat ◽  
Sirawut Sittichok
Keyword(s):  
Soybean Oil ◽  
Essential Oils ◽  
Ethyl Alcohol ◽  
Eucalyptus Globulus ◽  
Periplaneta Americana ◽  
Repellent Activity ◽  
Inhibition Rate ◽  
Cymbopogon Citratus ◽  
Plant Essential Oils ◽  
Illicium Verum

Abstract Natural ovicidal and repellent agents against Periplaneta americana are in urgent need, and plant essential oils (EOs) can assume this role quite readily. In this study, ovicidal and repellent activities against Periplaneta americana of EOs from Cymbopogon citratus, Cinnamomum verum, Eucalyptus globulus, Illicium verum, and Zanthoxylum limonella in soybean oil and in ethyl alcohol were determined by topical and dual-choice assays, as well as 10% cypermethrin and a combined formulation of 5% C. verum EO + 5% I. verum EO. Cypermethrin at 10% provided the highest toxicity (100% inhibition rate) against the eggs, but only slightly higher than that (99.3%) provided by the combined EO formulation, while the highest repellent activity against the adults was provided by the combined formulation (89.5% repelled cockroaches at 48 h after treatment). In addition, all EO formulations in soybean oil provided higher ovicidal and repellent activities than in ethyl alcohol. To conclude, the combined EO formulation in soybean oil can replace cypermethrin because their efficacy was nearly equivalent, but the combination should be much safer to use.

scholarly journals Repellent effects of the essential oils of Cymbopogon citratus and Tagetes minuta on the sandfly, Phlebotomus duboscqi

2017 ◽  
Vol 10 (1) ◽  
Author(s):  
Albert Kimutai ◽  
Moses Ngeiywa ◽  
Margaret Mulaa ◽  
Peter G. N. Njagi ◽  
Johnstone Ingonga ◽  
...  
Keyword(s):  
Essential Oils ◽  
Cymbopogon Citratus ◽  
Tagetes Minuta ◽  
Phlebotomus Duboscqi

Polyphenols from Cymbopogon citratus inhibit iNOS expression and NO production – a promising source of new anti-inflammatory drugs

Planta Medica ◽  
2010 ◽  
Vol 76 (12) ◽  
Author(s):  
V Francisco ◽  
A Figueirinha ◽  
B Neves ◽  
C Garcia-Rodriguez ◽  
M Lopes ◽  
...  
Keyword(s):  
Inos Expression ◽  
No Production ◽  
Cymbopogon Citratus ◽  
Inflammatory Drugs ◽  
Anti Inflammatory ◽  
Promising Source

Anti-inflammatory properties of polyphenols from Cymbopogon citratus by inhibition of NF-κB pathway

Planta Medica ◽  
2011 ◽  
Vol 77 (12) ◽  
Author(s):  
V Francisco ◽  
A Figueirinha ◽  
G Costa ◽  
MC Lopes ◽  
C García-Rodríguez ◽  
...  
Keyword(s):  
Cymbopogon Citratus ◽  
Anti Inflammatory

Antioxidant potential of Cymbopogon citratus (lemongrass) polyphenols

Planta Medica ◽  
2013 ◽  
Vol 79 (13) ◽  
Author(s):  
G Costa ◽  
S González-Manzano ◽  
A González-Paramás ◽  
C Santos-Buelga ◽  
IV Figueiredo ◽  
...  
Keyword(s):  
Antioxidant Potential ◽  
Cymbopogon Citratus

Mosquito larvicidal activity of essential oils of Cymbopogon citratus and Thymus vulgaris grown in Cameroon

Planta Medica ◽  
2007 ◽  
Vol 73 (09) ◽  
Author(s):  
EG Nkouaya Mbanjo ◽  
F Tchoumbougnang ◽  
PM Jazet Dongmo ◽  
ML Sameza ◽  
PH Amvam Zollo ◽  
...  
Keyword(s):  
Essential Oils ◽  
Larvicidal Activity ◽  
Thymus Vulgaris ◽  
Cymbopogon Citratus ◽  
Mosquito Larvicidal Activity
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