Antifeedant activity of Melia azedarach (L.) extracts to Diabrotica speciosa (Genn.)(Coleoptera: Chrysomelidae) beetles

Ventura, Maurício Ursi; Ito, M. A.

doi:10.1590/s1516-89132000000200011

Cited by 19 publications

(9 citation statements)

References 9 publications

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“…Besides neem, other Meliaceae tree, Melia azedarach (L.) products produced antifeedant effect on Diabrotica speciosa (Genn.) (Coleoptera: Chrysomelidae) (Ventura and Ito, 2000). …”

Section: Multiple-choice Assaysmentioning

confidence: 99%

Repellent, antifeedant and insecticidal effects of neem oil on Microtheca punctigera

Mikami

Ventura

2008

Braz. arch. biol. technol.

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“…Besides neem, other Meliaceae tree, Melia azedarach (L.) products produced antifeedant effect on Diabrotica speciosa (Genn.) (Coleoptera: Chrysomelidae) (Ventura and Ito, 2000). …”

Section: Multiple-choice Assaysmentioning

confidence: 99%

Repellent, antifeedant and insecticidal effects of neem oil on Microtheca punctigera

Mikami

Ventura

2008

Braz. arch. biol. technol.

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“…Plants of the Meliaceae family were studied to find extracts that could play the role of repellents, antifeedants or insect growth regulators (Reed et al, 1982). Extracts of the Buckthorn (Melia azedarach) Elaeagnaceae, Peganum harmala L. Nitrariaceae, wild marjoram or oregano (Origanum vulgare L.) Labiatae, thyme (Thymus vulgaris), Lamiaceae, China berry (Melia azedarach) Meliaceae were studied to identify their insecticide effects on insects such as the red flour beetle (Tribolium castaneum) (Col: Tenebrionidae) and Noctuid leaf eater larvae (Spodoptera exigua), and to evaluate the antifeedant properties of those extracts on the Colorado potato beetle (Leptinotarsa decemlineata), aphids (Homoptera: Aphididae), and whiteflies (Homoptera: Aleurodidae) (Ventura, Ito, 2000;Szczepanik et al, 2012;Yazdani et al, 2014). Thymol, as one of the essential oils extracted from thyme, proved to play the role of the GABA (Gamma-aminobutyric acid) mimeting and modulating agent.…”

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The effect of thyme (Thymus caucasicus) ethanol extract on Varroa mite (Varroa destructor), an ectoparasite mite of Apis mellifera meda (Hym: Apidae)

Rahimi¹,

Del²,

Moradpour³

2017

biologija

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Chemical control of the Varroa mite (Varroa destructor), which is one of the most important pests of honey bees, is practiced on a worldwide scale. However, because of abundant use of different acaricides, the mites have become resistant to many of them. We chose to apply non-synthetic chemicals for control of Varroa mites by using thyme (Thymus caucasicus) ethanol extract on honey bees. In September-October 2013, we collected wild thyme growing in Kurdistan mountains, ground it, and its ethanol extract was made by using 95% ethylic alcohol. We used a randomized complete design with ten treatments of different concentrations of ethanol extract of thyme as a statistical model and one control with pure 95% ethanol with four replications. The interior temperature of the brood chamber was measured to be 30 ± 1°C, and the ambient temperature surrounding them was 33 ± 2°C. We sprayed the extracted thyme solution on honey bees and counted the number of dead mites by picking them out from the bottom board of each hive at every 12 h, 24 h, and 48 h intervals after spraying. The results showed that the use of the thyme extract influenced significantly the percentage of mortality of dead mites in the extract-sprayed treatment and the control treatment. The percentage of mortality of the honey bees in control hives and the honey bees treated by thyme ethanol extract did not have a significant difference. Results of our experiment using ethanol extract of thyme showed that its use in hives was safe without a high risk of mortality for honey bees.

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“…In spite of the importance of studying botanical pesticides to develop new strategies of pest management, there is a huge limitation for the use of some botanical pesticides formulations under determined conditions. For example, it is not efficient to use plant aqueous extracts with insecticidal activity under intensive sunlight (Ventura and Ito 2000). The current research has shown the efficiency of different formulations of neem-based bioinsecticides in the laboratory, and the most efficient doses are promising to be further assessed under greenhouse and field conditions.…”

Section: Discussionmentioning

confidence: 99%

Neem extract formulations to control Diabrotica speciosa (Coleoptera: Chrysomelidae) larvae in maize

Júnior

Costa

Souza

et al. 2017

Rev. Colomb. Entomol.

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Diabrotica speciosa larvae have been considered to be one of the major subterranean pests of several crops, and its most susceptible host is maize (Zea mays). This study aimed to evaluate the effects of oil-formulated neem extract and lignin-microencapsulated neem extract for D. speciosa larvae control. Effects of applications of neem formulations on the growth of maize plants were also assessed. In the first assay, 0.25, 0.5, 1.0, 2.0, and 4.0 mL of oil-formulated neem extract were applied per 25 g soil and were compared with the insecticide fipronil WG and deionized water. In the second assay, lignin-microencapsulated neem extract was applied at 160, 80, 40, 20 and 10 mg per 25 g soil, and compared with the same controls. Both neem formulations were as efficient as the insecticide fipronil WG in the control of D. speciosa larvae. The evaluated doses of neem formulations did not interfere on maize plants growth. Results of this study permit concluded that, under laboratory conditions, oil-formulated neem extract and lignin-microencapsulated neem extract formulations are promising for controlling D. speciosa larvae in maize, and might benefit sustainable pest management.

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Antifeedant activity of Melia azedarach (L.) extracts to Diabrotica speciosa (Genn.)(Coleoptera: Chrysomelidae) beetles

Abstract: ABSTRACT

Cited by 19 publications

References 9 publications

Repellent, antifeedant and insecticidal effects of neem oil on Microtheca punctigera

Repellent, antifeedant and insecticidal effects of neem oil on Microtheca punctigera

The effect of thyme (Thymus caucasicus) ethanol extract on Varroa mite (Varroa destructor), an ectoparasite mite of Apis mellifera meda (Hym: Apidae)

Neem extract formulations to control Diabrotica speciosa (Coleoptera: Chrysomelidae) larvae in maize

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