Use of Botanical Insecticides as an Alternative for the Management of the Mexican Bean Weevil

Silva, Karen Ferreira Da; Baldin, Edson Luiz Lopes; Pannuti, Luiz Eduardo da Rocha

doi:10.1590/1983-21252016v29n211rc

Cited by 7 publications

(3 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Melia azedarach can be used to control B. tabaci biotype B and Spodoptera frugiperda (Baldin et al, 2007;Scapinello et al, 2014). Moreover, the insecticide activity of Trichilia catigua extracts has been reported for S. frugiperda and Zabrotes subfasciatus (Matos et al, 2009;Silva;Pannuti, 2016).…”

Section: Introductionmentioning

confidence: 99%

Assessing potential plants extracts to reduce Leucoptera coffeella (lepidoptera: Lyonetiidae) attack in coffee

Fanela

Baldin

Bentivenha

et al. 2020

View full text Add to dashboard Cite

Leucoptera coffeella (Guérin-Méneville) (Lepidoptera: Lyonetiidae) is one of the major pests of coffee in South America, causing severe defoliation in coffee plants. Chemical control has been widely used for the management of this insect. However, this practice is becoming gradually less efficient due to the selection of coffee leaf miner populations resistant to synthetic insecticides. Plants extracts can be a valuable tool for the management of L. coffeella, due to the potential of plants insecticidal properties of them being compatible with the integrated pest management. This study evaluated the effect of nine botanic aqueous extracts on the oviposition and biology of L. coffeella, under laboratory conditions. The extracts of Toona ciliata, Trichilia casaretti and Trichilia pallida decreased the oviposition rate of L. coffeella on coffee leaves. Along with Trichilia catigua, Chenopodium ambrosioides and Melia azedarach, these extracts were classified as deterrent to oviposition by a preference index and the C. ambrosioides, T. casaretti and T. ciliata extracts caused high egg mortality of L. coffeella. Extracts of seeds of A. indica and T. pallida negatively affected the development and survival of L. coffeella, and reduced the mined area by larvae. In conclusion, the extracts of A. indica (S), T. pallida, C. ambrosioides, T. casaretti and T. ciliata exhibited high insecticidal activity and might be useful in integrated management programs for L. coffeella.

show abstract

Section: Introductionmentioning

confidence: 99%

Assessing potential plants extracts to reduce Leucoptera coffeella (lepidoptera: Lyonetiidae) attack in coffee

Fanela

Baldin

Bentivenha

et al. 2020

View full text Add to dashboard Cite

show abstract

“…Researchers have tested natural or plantderived products efficacy (BAGAVAN et al, 2009;SILVA et al, 2016), as well as associated molecules in the same formulation, searching safer alternatives SILVA, S. M. et al…”

Section: Introductionmentioning

confidence: 99%

Synergistic effects of binary mixtures of linalool with pyrethroids against fall armyworm

et al. 2020

View full text Add to dashboard Cite

The present work aimed to determine the toxicity of linalool and evaluate the lethal and toxic effects of linalool associated with pyrethroids in binary mixtures to fall armyworm (Spodoptera frugiperda). The insects used in the experiment were obtained from stock breeding initiated from larvae collected from conventional corn plants, grown in an experimental area, in the city of Uberlândia, Minas Gerais. Also, it was obtained essential oil from a variety of Ocimum basilicum, with a high content of linalool (80%), found naturally, as a measure of comparison of different linalool (97.5%) assays. Dose-response bioassays with 3rd instar larvae were performed to determine lethal dose for 50% mortality (LD50) of linalool. Toxicity tests were also performed with O. basilicum essential oil and with pyrethroid insecticides: deltamethrin and its commercial product (Decis 25 EC, Bayer®). After this, combinations between different doses of these products were made and applied on 3rd instar larvae of Spodoptera frugiperda (Smith). Linalool presented high toxicity to S. frugiperda (LD50 = 0.177 μL a.i. μL-1). It was observed neurotoxic effects after the linalool application since the insects presented an aspect of confusion, followed by extreme agitation and finally death. All binary mixtures caused mortality higher than the products applied alone (deltamethrin and linalool) used at 100% LD50, except to 75% LD50 deltamethrin added to 25% LD50 linalool, whose mortality did not differ the products alone, in 24 hours. It was obtained over 90% larval mortality when linalool was combined with 25% LD50 of deltamethrin, in 24 and 48 hours after application, and over 80% of mortality when linalool was combined with 25% LD50 of Decis, only in 48 hours after application. We conclude that linalool is a potential insecticidal and can be associated with pyrethroids to control of S. frugiperda. Further studies are required in order to evaluate the synergistic combinations against field populations of S. frugiperda.

show abstract

“…This highlights an urgent need to reduce the selection pressure of synthetic products by using alternative insecticides, like plant-based products, in order to reduce the development of pest resistance. Natural products have been tested in different parts of the world in isolated use and in combination with synthetic molecules in the same formulation (Herron & Wilson, 2011;Silva et al, 2016), due the advantages that it can promotes at synergic combination.…”

Section: Introductionmentioning

confidence: 99%

Toxicity of Ocimum basilicum essential oil combined with thiamethoxam to cotton aphid

Marques

Landim

Silva

et al. 2019

Agraria

View full text Add to dashboard Cite

Aphis gossypii Glöver is one of the main cotton insect pests, causing significant losses in the crop. In order to reduce these damages, frequent applications of insecticides are carried out, despite reported cases of resistance. One auxiliary tool of resistance management is the combination of natural and synthetic products because the combinations can deliver comparable or greater pest toxicity while reducing the necessary dose of the synthetic molecules, thus maintaining its effectiveness. Therefore, the present work evaluated the toxicity of Ocimum basilicum essential oil, the synthetic insecticide thiamethoxam and the combination of these in the control of cotton aphid. The acute toxicities of thiamethoxam and the essential oil were obtained through dose response assays; then, combinations of the two products were assessed. The essential oil had a high concentration of linalool and it exhibited toxicity to the cotton aphid. The combination of the two products caused high mortality, particularly when they were applied as the LD 50 of the thiamethoxam + LD 50 of the essential oil and the 50% LD 50 of the thiamethoxam + 50% LD 50 of the essential oil. This work concludes that O. basilicum L. essential oil combined with thiamethoxam may be an alternative in the population management of the cotton aphid and may contribute in the future to the management of resistance and reduce the environmental impact of pesticides.

show abstract

Use of Botanical Insecticides as an Alternative for the Management of the Mexican Bean Weevil

Cited by 7 publications

References 25 publications

Assessing potential plants extracts to reduce Leucoptera coffeella (lepidoptera: Lyonetiidae) attack in coffee

Assessing potential plants extracts to reduce Leucoptera coffeella (lepidoptera: Lyonetiidae) attack in coffee

Synergistic effects of binary mixtures of linalool with pyrethroids against fall armyworm

Toxicity of Ocimum basilicum essential oil combined with thiamethoxam to cotton aphid

Contact Info

Product

Resources

About