Effect of Neem Powder (Azadirachta indica A. Juss) on the Control of Cowpea Weevils [Callosobruchus maculatus (F.) (Coleoptera: Bruchidae)] in Cowpea Beans

Neto, Eduardo Pereira de Sousa; Andrade, Anderson Bruno Anacleto de; Costa, Ewerton Marinho; Maracajá, Patrício Borges; Santos, Alex Béu; Santos, José Lucas Guilherme; Pimenta, Thiago Alves

doi:10.9734/jeai/2019/46051

Cited by 6 publications

(4 citation statements)

References 3 publications

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“…Various studies have demonstrated the efficacy of several plants as protective agents (Pannuti et al 2012;Tamgno and Tinkeu 2014;Nenaah 2014;Diouf et al 2016). Piper nigrum powder (Piperaceae) has caused a significant reduction in the bruchids population in cowpea stocks (Nwosu et al 2018), and similar results were obtained with Neem powder (Azadirachta indica A. Juss) (Neto et al 2019). Essential oils of Ocimum gratissimum L, and Ocimum basilicum L. have been successfully used against C. maculatus (Kéita et al 2001).Some post-harvest storage methods may also be useful to reducing cowpea bruch infestations as part of an integrated pest management approach (Singano et al 2019;Adesina et al 2019).…”

Section: Introductionmentioning

confidence: 81%

“…In order to control them without using synthetic pesticides, it is interesting to investigate other safer and more effective alternatives in plant protection. Actually, the plants can provide alternative insect control solutions because they are a very rich source of bioactive molecules (Lale 1992;Isman 1995;Qin et al 2010).Many studies have highlighted the bio-insecticidal effects of plants on phytophagous pests (Bruchidae) (Boeke et al 2004;Pourya et al 2018;Neto et al 2019;Ahmad et al 2019;Allali et al 2020c).…”

Section: Introductionmentioning

confidence: 99%

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Screening of Vegetable Powders Used as a Bio-Insecticide Against Callosobruchus Maculatus F. (Chrysomelidae: Bruchinae)

Allali¹,

Rezouki²,

Louaste³

et al. 2021

PLANT ARCHIVES

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The beetle Callosobruchus maculatus (F. 1775) (Chrysomelidae: Bruchinae) is a destructive pest of stored chickpea seeds. Bio-pesticides are pesticides of animal, plant and bacterial origin. Plant products are among the best known substances tested against insects. These products have an insecticidal and repellent effect on insects and can also affect certain biological parameters such as fecundity, life span and reproduction. In search of plant bio-pesticides to control Callosobruchus maculatus main pest of stored chickpea seeds, 18 plants traditionally used in Morocco to control insect pests have been tested in the laboratory, for their toxic effects against this beetle. A conventional synthetic insecticide was included as a positive control, while untreated seed was used as a control. The toxicity of the powders was assessed by measuring the parameters of the life cycle in a situation of non-choice maintained at a climatic chamber with a temperature of 25 ±1 degrees Celsius, a relative humidity of 75% and a photoperiod of 14h (light) / 10h (darkness) for several successive generations. The powders of Mentha pulegium and Syzygium aromaticum have completely wiped out the population of the bruches (% IR=100%) 2%, 1% and 0.5% p/p. Similarly, the powders of the two plants retained the weights of the seeds, which remain significantly different (P < 0.01) at the weight of the control. Also Origanum compactum , Mentha officinalis, Allium sativum Zingiber officinale, Urtica doica and Calamintha officinalis have significantly reduced (P < - 0.01) the population of bruches, the percentage reduction reached (97.5, 89.32, 72.84, 50.3, 46.52 and 39.24% by the highest 2%). The other plants show no significant difference from the control. The results therefore suggest that Syzygium aromaticum powder and Mentha pulegium have an insecticide potential similar to those of conventional insecticides and could be a biotechnological alternative against C. maculatus infestations and damag

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Section: Introductionmentioning

confidence: 81%

Section: Introductionmentioning

confidence: 99%

Screening of Vegetable Powders Used as a Bio-Insecticide Against Callosobruchus Maculatus F. (Chrysomelidae: Bruchinae)

Allali¹,

Rezouki²,

Louaste³

et al. 2021

PLANT ARCHIVES

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show abstract

“…The infections of these insects begin at the field, remains and transport even the seed stores, these insects prefer cowpea seeds over other types of legumes (Arora & Srivastava, 2020). The importance of the insect is related to its nonspecificity, as it does not affect a specific type of legume plant, but its larvae can grow and develop in about 35 types of legume seeds (Neto et al, 2019). Both quantitative and qualitative damages are caused by C. maculatus, it makes a hole in seeds, which decreases its weight, minimizes its marketing value, and reduces its germination potential (Kalpna & Kumar, 2022).…”

Section: Introductionmentioning

confidence: 99%

Evaluating the efficiency of silver nanoparticles prepared using Pseudomonas fluorescens and Bacillus thuringiensis subsp. tenebrionis in controlling eggs and adults of Callosobruchus maculatus (F.) (Coleoptera: Bruchidae)

ALI,

AL-JOBOORY,

AL-SHAMMARI

2024

JBC

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This study aimed to evaluate the efficiency of silver nanoparticles (AgNPs) which are prepared biologically by two bacterial species, Bacillus thuringiensis tenebrionis (Btt) and Pseudomonas fluorescens (P.f) to control southern cowpea beetle insect, Callosobruchus maculatus. Many features of the prepared nanoparticles were examined, and the results obtained showed that the highest absorption value of AgNPs was at 262 nm. Whereas the results of FTIR analysis showed that several compounds played a role in the silver ions reduction process, which included alcohol, alkane, primary amine, and amine group. The scanning electronic microscopic images showed that the average diameter of nanoparticles which was created by P.f was 48.52 nm, while it was 56.08 nm for the nanoparticles prepared by Btt. The study showed no significant differences between the activity of both AgNP types against C. maculatus eggs, while a significant preference was recorded for the activity of Btt AgNPs against the C. maculatus adults. The highest percentage of unhitched eggs was 53.8% recorded at 3000 ppm concentration, while Btt AgNPs gave 59.6% at 3000 ppm. The highest mortality rate of the adults who were treated by Btt AgNPs was 58.8 % at 3000 ppm concentration, while it was recorded 50% at 3000 ppm with P.f AgNPs treatment. The current study demonstrates the efficiency of biologically prepared AgNPs in controlling C. maculatus insect life stages, which encourages using of these nanoparticles as a modern strategy in management of insect pests.

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“…Uma das espécies promissoras da família Meliaceae é a Azadirachta indica A. Juss., conhecida como nim, que apresenta baixa toxicidade e ampla distribuição na natureza [12]. A planta possui mais de 50 compostos terpenoides, sendo os principais a azadiractina, salanina, meliantrol e nimbolina, que podem estar presentes nas folhas, sementes e, principalmente frutos [13,14].…”

Section: Introductionunclassified

Atividade inseticida e repelente de extrato e pó de sementes de Anethum graveolens e Azadirachta indica frente ao Sitophilus zeamais

2020

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Sitophilus zeamais conhecido como gorgulho do milho é uma praga que afeta a qualidade de grãos armazenados. O uso de inseticidas químico é o método mais utilizado para o controle desta praga causando impactos ao meio ambiente. Neste sentido, meios menos agressivos são avaliados para o controle de insetos por meio de plantas com compostos de interesse, como extratos, que possuem metabólitos secundários que atuam na defesa das plantas. Portanto, o objetivo foi avaliar o potencial inseticida e repelente de plantas presentes na região Sul. A mortalidade e repelência de adultos S. zeamais foi avaliada em placas de Petri contendo grãos de milho tratados com extrato e pó de Anethum graveolens L. (endro) e Azadirachta indica A. Juss. (nim) em condições de laboratório. Todos os tratamentos afetaram a sobrevivência dos insetos. O melhor resultado foi para o extrato de A. graveolens, que apresentou DL50 = 139,16 μL/placa, menor valor dentre os tratamentos. A dose de 0,25 g de pó de endro/10 g de milho causo 100% dos insetos dos insetos, conferindo potencial inseticida. Quanto a repelência, o extrato de A. graveolens atingiu o maior Índice de Preferência (I.P.) repelindo 100% dos insetos na dose de 1,35 μL/cm². O pó de A. graveolens repeliu a partir de 0,15 g e o extrato de A. indica foi repelente nas doses de 2,29 μL/cm² e 3,95 μL/cm², e atraente nas menores, 0,64 μL/cm² e 1,37 μL/cm². A utilização de extratos e pó de endro e nim constituem uma alternativa de controle sobre o gorgulho do milho.

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Effect of Neem Powder (Azadirachta indica A. Juss) on the Control of Cowpea Weevils [Callosobruchus maculatus (F.) (Coleoptera: Bruchidae)] in Cowpea Beans

Cited by 6 publications

References 3 publications

Screening of Vegetable Powders Used as a Bio-Insecticide Against Callosobruchus Maculatus F. (Chrysomelidae: Bruchinae)

Screening of Vegetable Powders Used as a Bio-Insecticide Against Callosobruchus Maculatus F. (Chrysomelidae: Bruchinae)

Evaluating the efficiency of silver nanoparticles prepared using <i>Pseudomonas fluorescens</i> and <i>Bacillus thuringiensis</i> subsp. <i>tenebrionis</i> in controlling eggs and adults of <i>Callosobruchus maculatus</i> (F.) (Coleoptera: Bruchidae)

Atividade inseticida e repelente de extrato e pó de sementes de Anethum graveolens e Azadirachta indica frente ao Sitophilus zeamais

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