Kaolin potential for the integrated management of<i>Aphis gossypii</i>Glov. (Homoptera: Aphididae) on cotton

Alavo, Thiery B. C.; Abagli, Ayaba Z.; Tégbéssou, K. J.C.; Dunphy, Gary B.

doi:10.1080/03235408.2010.507959

Cited by 7 publications

(10 citation statements)

References 12 publications

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“…It was therefore concluded that 5 % kaolin powder and adequate application method that provides a full and continuous coverage of the plants with kaolin particle film should be used [9]. Nevertheless, one week interval application of this concentration does not completely suppress populations of A. craccivora and A. gossypii [9,10]. The present work has revealed that even more frequent kaolin applications do not improve the product efficacy against L. erysimi.…”

Section: Discussionmentioning

confidence: 58%

“…The effects of kaolin against aphid species such as Aphis craccivora [10] and Aphis gossypii [9] have been investigated. As in the present study, these works have showed that the solution containing 5 % kaolin powder has significantly reduced aphids' population density.…”

Section: Discussionmentioning

confidence: 99%

“…These experiments revealed that higher kaolin concentration have left a large deposit of kaolin particle on cotton leaves thus handicapping chlorophyll synthesis and the proper growth and development of the plants. It was therefore concluded that 5 % kaolin powder and adequate application method that provides a full and continuous coverage of the plants with kaolin particle film should be used [9]. Nevertheless, one week interval application of this concentration does not completely suppress populations of A. craccivora and A. gossypii [9,10].…”

Section: Discussionmentioning

confidence: 99%

“…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%

“…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]. Weekly applications of 5% kaolin significantly reduced populations of the aphid Aphis craccivora in cowpea, Vigna unguiculata [10].…”

Section: Introductionmentioning

confidence: 99%

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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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Section: Discussionmentioning

confidence: 58%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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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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Survival, development and reproduction of Phenacoccus solenopsis (Hemiptera: Pseudococcidae) on kaolin-treated cotton

Guedes

Zanuncio

2020

Braz. J. Biol.

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The mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae) is a cotton pest widespread in several cotton growing regions of Brazil, particularly in the semi-arid region of southwestern Bahia. The impact of kaolin on survival, development and reproduction of P. solenopsis was evaluated in the laboratory. The experiment was developed in a completely randomized design with two treatments: immature or newly emerged adults of P. solenopsis sprayed with kaolin and fed with cotton leaf discs treated with kaolin suspension (with kaolin) (T1) and immature or newly emerged adults of P. solenopsis sprayed with distilled water and fed with cotton leaf discs treated with distilled water (without kaolin) (T2). The kaolin suspension shortens the life cycle, increases the reproductive potential and population growth of the cotton mealybug, P. solenopsis and, therefore, it should be used with caution on cotton plants in regions with a history of occurrence of this pest.

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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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Kaolin potential for the integrated management ofAphis gossypiiGlov. (Homoptera: Aphididae) on cotton

Cited by 7 publications

References 12 publications

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

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

Survival, development and reproduction of Phenacoccus solenopsis (Hemiptera: Pseudococcidae) on kaolin-treated cotton

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

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