Field effects of kaolin particle film formulation against major cotton lepidopteran pests in North Benin, West Africa

Alavo, Thiery B. C.; Yarou, Boni Barthélémy; Atachi, P.

doi:10.1080/09670871003628389

Cited by 18 publications

(11 citation statements)

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“…O consumo foliar de algodoeiro, por lagartas de primeiro instar de A. argillacea, não mostrou interação significativa entre tratamentos e períodos de observação (F 152:3 = 0,32; p>0,05), mas variou dentro dos tratamentos (F 152:1 = 7,27; p=0,01) caulim pode alterar o gosto e a digestibilidade das plantas hospedeiras e, assim, reduzir a alimentação e a sobrevivência dos insetos imaturos (Showler, 2003;Sisterson et al, 2003;Cadogan & Scharbach, 2005;Alavo, 2006;Alavo et al, 2010). No presente trabalho, o material vegetal de algodão, ingerido por lagartas de primeiro instar de A. argillacea, se mostrou mais fracionado e em menor quantidade dentro do trato digestório daquelas lagartas que se alimentaram de folhas tratadas com caulim.…”

Section: Resultsunclassified

“…A tecnologia de filme de partículas de caulim é considerada uma alternativa viável, capaz de reduzir e otimizar o uso de inseticidas destinados ao controle de pragas importantes do algodoeiro (Silva & Ramalho, 2013). Vários estudos têm mostrado que as formulações hidrofóbicas do filme de partículas à base de caulim podem proteger com eficiência plantas hospedeiras de coleópteros, lepidópteros, sugadores e ácaros (Showler, 2003;Sisterson et al, 2003;Sackett et al, 2005;Alavo et al, 2010;Alavo et al, 2011;Silva & Ramalho, 2013;Neves et al, 2014). Aplicações de caulim podem repelir pragas, interromper a alimentação e impedir a oviposição de Helicoverpa armigera (Lepidoptera: Noctuidae) (Alavo, 2006).…”

Section: Introductionunclassified

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Oviposição do curuquerê e alimentação de suas lagartas neonatas em algodoeiros tratados com caulim

Gonçalves

Duarte

Vasconcelos

2015

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar a capacidade do caulim de afetar a oviposição e a alimentação de Alabama argillacea (Lepidoptera: Noctuidae) em algodoeiro. Determinou-se a preferência de oviposição, a viabilidade de ovos e o consumo das lagartas de primeiro instar de A. argillacea, em folhas de algodão tratadas ou não com caulim. A preferência de oviposição foi determinada por teste de escolha e confinamento, em delineamento experimental de blocos ao acaso, em arranjo fatorial 2x7, representado pelos tratamentos com caulim em água destilada (60 g L -1 ) ou somente água destilada (testemunha), e pela avaliação de sete estruturas vegetais da planta. O consumo pelas lagartas de primeiro instar foi determinado em delineamento experimental inteiramente casualizado, em arranjo fatorial 2x4, representado pelo tratamento com caulim em água destilada, pela testemunha e pelos quatro períodos de observação (6, 12, 24 e 48 horas). A oviposição das mariposas do curuquerê-do-algodoeiro foi reduzida nas plantas de algodão tratadas com caulim; no entanto, a viabilidade dos ovos não foi afetada. A folha da haste foi a estrutura preferida para oviposição. A sobrevivência e o consumo de lagartas de primeiro instar do curuquerê são menores nas plantas de algodão tratadas com caulim.Termos para indexação: Alabama argillacea, Gossypium hirsutum, filme de partículas, herbivoria. Oviposition of leafworm and feeding of its neonate larvae on cotton treated with kaolinAbstract -The objective of this work was to evaluate the ability of kaolin to affect oviposition and feeding of Alabama argillacea (Lepidoptera: Noctuidae) on cotton. The oviposition preference, the egg viability, and the feed consumption of the first instar larvae of A. argillacea were determined on cotton leaves treated or not with kaolin. The oviposition preference was determined under choice test and confinement, in a randomized complete block design, in a 2x7 factorial arrangement, represented by the treatments with kaolin in distilled water (60 g L -1 ) or distilled water only (control), and by the evaluation of seven plant structures. The feed consumption by the first instar larvae was determined in a completely randomized design, in a 2x4 factorial arrangement, represented by the treatment with kaolin in distilled water, by the control, and by the four observation periods (6, 12, 24, and 48 hours). The oviposition of cotton leafworm moths was reduced in cotton plants treated with kaolin; however, the viability of eggs was not affected. Leaf stem was the preferred structure for oviposition. Survival and feed consumption of first instar larvae of cotton leafworm are lower on cotton plants treated with kaolin.

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Section: Resultsunclassified

Section: Introductionunclassified

Oviposição do curuquerê e alimentação de suas lagartas neonatas em algodoeiros tratados com caulim

Gonçalves

Duarte

Vasconcelos

2015

Pesq. agropec. bras.

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“…The kaolin formulation called 'Surround' was used for the study. 'Surround' is a kaolinbased particle film formulation used for insect pests management purpose [7][8][9][10]. 'Surround' contains 95% kaolin and 5% other ingredients which are not indicated by the manufacturer (Engelhard Corporation, USA).…”

Section: Methodsmentioning

confidence: 99%

“…Studies have shown that hydrophobic formulations of kaolin-based particle films can effectively protect host plants from insect pests including lepidopterans, sucking insects and mites. Kaolin applications serve to repel pests, disrupt feeding and deter oviposition [7,8]. The effect of different concentrations of kaolin was tested by recording the population dynamics of Aphis gossypii on cotton in West Africa, and results showed that the solution containing 5% kaolin has significantly reduced aphids number [9].…”

Section: Introductionmentioning

confidence: 99%

Effect of Kaolin Particle Film Formulation Against Populations of the Aphid Lipaphis erysimi Kalt. (Homoptera: Aphididae) in Cabbage

Alavo¹,

Abagli²

2011

TOENTOJ

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Abstract:Infestations of the aphid Lipaphis erysimi Kalt.cause a mean yield loss of cabbage that varies from 35.4% to 73.3% depending from agro-climatic conditions. To control this pest insect in Sub-saharan Africa, synthetic chemical insecticides are usually applied. Kaolin is a white, non-abrasive, inert aluminosilicate mineral that has been shown to effectively protect host plants from insect pests including lepidopterans, sucking insects and mites. The present work is aimed to study the effects of kaolin on the population dynamics of L. erysimi for the Integrated Management of this insect pest in cabbage. To carry out the present study, kaolin powder was dissolved in water to obtain a concentration of 5% kaolin. The plants were sprayed with kaolin suspension every week and every 4-days in 2 respective experiments. Results showed that kaolin sprays significantly reduced aphid populations density. Nevertheless, more frequent applications (every 4 days) did not improve kaolin efficacy. It is concluded that kaolin technology should be combined with another plant protection measure in order to keep aphids population under control in cabbage.

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“…The optimal treatment application timing to maximize the performance of Kaolin clay is when Japanese beetle adults first emerge (i.e., early season) and when populations are begin to subside (i.e., late season). During peak Japanese beetle adult activity, the use of conventional insecticides or the combination of Kaolin clay with other alternative, non-conventional products [14] are likely the best management option. It is unlikely that the use of conventional insecticides will be eliminated, however the results of this work provide an alternative management approach that can measurably reduce the reliance on conventional insecticides.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of Kaolin Clay as an Alternative Management Tactic for Japanese Beetle Feeding Damage in Grape Vineyards

Maier¹,

Williamson²

2016

J Hortic

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The Japanese beetle, Popillia japonica Newman (Coleoptera: Scarabaeidae), is an exotic, introduced Scarab that has become one of the most widespread and destructive insect pest of turf, landscapes and nursery crops in the eastern United States. It also damages various fruit, garden and field crops. Evaluation of certain conventional and non-conventional control agents in a Wisconsin vineyard revealed that bifenthrin, a fourth generation synthetic pyrethroid, provided the greatest Japanese beetle adult control in choice and no-choice feeding bioassays. Bacillus thuringiensis gallariae (Btg) was also effective in both bioassays. However, Btg residual activity was relatively limited; its performance decreased five days after treatment. Kaolin clay provided effective Japanese beetle adult management via consistent adult feeding damage mitigation in both study years. Field tests showed that various application Kaolin clay rates were effective in minimizing feeding damage by Japanese beetle adults, and no adverse effects were observed on several important fruit quality characteristics such as sugar content (Brix), acidity, number of fruit produced per plant and fruit weight. Kaolin clay is an alternative, non-insecticide management tactic that can be employed by grape growers to minimize feeding damage by Japanese beetle adults and reduce the amount of conventional insecticide input needed to maintain grape quality.

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Field effects of kaolin particle film formulation against major cotton lepidopteran pests in North Benin, West Africa

Cited by 18 publications

References 7 publications

Oviposição do curuquerê e alimentação de suas lagartas neonatas em algodoeiros tratados com caulim

Oviposição do curuquerê e alimentação de suas lagartas neonatas em algodoeiros tratados com caulim

Effect of Kaolin Particle Film Formulation Against Populations of the Aphid Lipaphis erysimi Kalt. (Homoptera: Aphididae) in Cabbage

Evaluation of Kaolin Clay as an Alternative Management Tactic for Japanese Beetle Feeding Damage in Grape Vineyards

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