Journal of
Medicinal Plants Research

  • Abbreviation: J. Med. Plants Res.
  • Language: English
  • ISSN: 1996-0875
  • DOI: 10.5897/JMPR
  • Start Year: 2007
  • Published Articles: 3843

Full Length Research Paper

Insecticidal activity of Azadirachta indica A. Juss. extracts on Aleurocanthus woglumi Ashby (Hemiptera: Aleyrodidae)

Kleydejany Lima de Lemos
  • Kleydejany Lima de Lemos
  • Federal Institute of Education, Science and Technology of Maranhão, São Luis, Brazil
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Raimunda Nonata Santos de Lemos
  • Raimunda Nonata Santos de Lemos
  • Graduate Program in Agroecology, Maranhão State University 65055-098. C.P. 09. São Luís, Maranhão State, Brazil
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Fabíola Rodrigues Medeiros
  • Fabíola Rodrigues Medeiros
  • Graduate Program in Agroecology, Maranhão State University 65055-098. C.P. 09. São Luís, Maranhão State, Brazil
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Ester Azevedo da Silva
  • Ester Azevedo da Silva
  • Graduate Program in Agroecology, Maranhão State University 65055-098. C.P. 09. São Luís, Maranhão State, Brazil
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Mário Luiz Ribeiro Mesquita
  • Mário Luiz Ribeiro Mesquita
  • Maranhão State University Campus Bacabal, Brazil
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José Ribamar Gusmão Araujo
  • José Ribamar Gusmão Araujo
  • Graduate Program in Agroecology, Maranhão State University 65055-098. C.P. 09. São Luís, Maranhão State, Brazil
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  •  Received: 21 October 2016
  •  Accepted: 20 March 2017
  •  Published: 03 April 2017

Abstract

The use of natural products with insecticidal action is a control method compatible with integrated pest management, since it reduces the impacts caused to human health and the environment. This study aimed to assess the effect of Azadirachta indica A. Juss. (Meliaceae) leaf and seed aqueous extracts, on citrus blackfly (Aleurocanthus woglumi Ashby). Citrus x latifolia Tanaka ex Q. Jiménez leaves infested with blackfly nymphs were immersed for five seconds in different A. indica leaf and seed extract concentrations (1.0, 2.5, 5.0 and 10 w/v). Distillate water was used as control. The assessments were performed at 3, 6 and 9 days after leaf immersion, by counting dead insect number. The A. indica leaf and seed aqueous extracts were efficient in the mortality of A. woglumi nymphs, representing an alternative method to control this pest.

 

Key words: Insecticidal activity, Azadirachta indica extracts, Aleurocanthus woglumi Ashby

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This article is published under the terms of the Creative Commons Attribution License 4.0

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