Eco-Friendly Alternatives for Storage Pest Management:Leaves of Ruta Graveolens (Aruda) as a Repellent Against the Rice Weevil, Sitophilus Oryzae L.

Perera, A.G.W.U.; Karunaratne, M.M.S.C.

doi:10.4038/ijms.v2i2.73

Cited by 4 publications

(2 citation statements)

References 10 publications

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“…Mobki et al [42] reported that the garlic extract had a strong non-attractive activity for T. castaneum. Perera and Karunaratne [43] identified strong non-attractiveness (91%) of the aqueous extract of rue against Sitophilus oryzae L. adults (Coleoptera: Curculionidae). Prajapati et al [44] demonstrated that the cinnamon essential oil has a high degree of repellency on Anopheles stephensi Liston, Aedes aegypti (L.), and Culex quinquefasciatus (Say) (Diptera: Culicidae).…”

Section: Discussionmentioning

confidence: 99%

Olfactory Response of Mahanarva spectabilis (Distant, 1909) (Hemiptera: Cercopidae) to Volatile Aqueous Extracts of Plant Origin Applied to Elephant Grass Plants (Pennisetum purpureum Schum)

2021

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In this study, we evaluate the olfactory responses of Mahanarva spectabilis adults to aqueous extracts from the following non-host plants for the pest insect: garlic (Allium sativum L.), rue (Ruta graveolens L.), cinnamon (Cinnamomum verum J. Presl), lemongrass (Cymbopogon citratus Stapf.), clove (Syzygium aromaticum L.), star anise (Illicium verum Hook.f), eucalyptus (Eucalyptus globulus Labill.), tobacco (Nicotiana tabacum L.), and thyme (Thymus vulgaris L.) applied to the host plant, elephant grass (Pennisetum purpureum Schum.). The bioassays were performed using a Y olfactometer, and the combinations of the plant extracts applied to the host plant were tested against fresh air and against the host plant without the extract. The results show that the extracts of tobacco and star anise were non-attractive to M. spectabilis adults. The extracts from the remaining plants did not alter the response of M. spectabilis to the host plant.

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Section: Discussionmentioning

confidence: 99%

Olfactory Response of Mahanarva spectabilis (Distant, 1909) (Hemiptera: Cercopidae) to Volatile Aqueous Extracts of Plant Origin Applied to Elephant Grass Plants (Pennisetum purpureum Schum)

2021

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“…Nonetheless, previous research shows that the application of the extracts pre-pared from garlic, rue, cinnamon, lemongrass, cloves, and thyme revealed behavioral changes of other insect species Mobki et al (2014). reported that the garlic extract had a strong non-attractive activity for T. castaneum Perera and Karunaratne (2015). identified strong non-attractiveness (91%) of the aqueous extract of rue against Sitophilus oryzae L adults (Coleoptera: Curculionidae) Prajapati et al (2005).…”

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confidence: 99%

Evaluation of lethal and repellent action of aqueous vegetable extracts for the control of spittlebugs (Hemiptera: Cercopidae)

Nascimento¹

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Spittlebugs (Hemiptera: Cercopidae) are species considered to be the main pests of forage grasses throughout Tropical America. In Brazil, Mahanarva spectabilis (Distant) is the main and most limiting pest associated with elephant grass (Pennisetum purpureum Schum.). These insects have the potential to generate great economic losses for the milk and meat production chain, harming producers. Among the spittlebugs control tactics, the use of resistant grasses, biological control and the application of synthetic insecticides in adults are the best known methods. The use of synthetic insecticides is economically viable only when combined with other spittlebugs control strategies, but they are environmentally unsafe products, so it is necessary to research tactics that are less aggressive to the environment, socially viable and of low cost for mainly small farmers. In this context, the insecticidal and repellent action that plant compounds have against different insect-pest species stands out. Thus, the objectives of this research were to evaluate whether aqueous extracts of the aromatic plants A. sativum, R. graveolens, C. verum, C. citratus, S. aromaticum, I. verum, E. globulus, N. tabacum and T. vulgaris have an insecticidal effect on spittlebug nymphs and the choice of spittlebugs adults can be altered for elephant grass, by attraction or non-attraction, in olfactometry tests. In the first stage of the research, the insecticidal effect of the extracts on nymphs of M. spectabilis was evaluated. The results indicated that the tobacco extract was the most effective among all nine tested. At a concentration of 20%, after 48 hours, it reached an efficiency of 76%. Then, bioassays were carried out comparing 5 concentrations of tobacco extract (5%, 10%, 15%, 20% and, 25%), where the extract in the concentration of 25% reached an efficiency greater than 92%. As for the extraction methods, the infusion and decoction methods were shown to be equivalent to the standard extraction method (UAE). Tobacco extract is recommended as a strategy to control M. spectabilis, at a concentration of 25%, with its extraction by infusion and decoction. In the second stage, olfactometry bioassays were performed. The combinations of aqueous extracts applied to the host plant were tested against fresh air and against the host plant without the extract. The aqueous vegetable extracts of tobacco, star anise and eucalyptus were not attractive for the M. spectabilis, and can be used as a management tactic in the case of elephant grass.

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Valorization of clove (Syzygium aromaticum) by-products as potential stored grain protectants

Senevirathne

2023

J Food Sci Technol

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Eco-Friendly Alternatives for Storage Pest Management:Leaves of Ruta Graveolens (Aruda) as a Repellent Against the Rice Weevil, Sitophilus Oryzae L.

Cited by 4 publications

References 10 publications

Olfactory Response of Mahanarva spectabilis (Distant, 1909) (Hemiptera: Cercopidae) to Volatile Aqueous Extracts of Plant Origin Applied to Elephant Grass Plants (Pennisetum purpureum Schum)

Olfactory Response of Mahanarva spectabilis (Distant, 1909) (Hemiptera: Cercopidae) to Volatile Aqueous Extracts of Plant Origin Applied to Elephant Grass Plants (Pennisetum purpureum Schum)

Evaluation of lethal and repellent action of aqueous vegetable extracts for the control of spittlebugs (Hemiptera: Cercopidae)

Valorization of clove (Syzygium aromaticum) by-products as potential stored grain protectants

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