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Greener Trends in Plant Pathology and Entomology

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Greener Trends in Plant Pathology and Entomology

Vol. 2(2), pp. 19-28, 2019

ISSN: 2672-4510

Copyright ©2019, the copyright of this article is retained by the author(s)

DOI Link: https://doi.org/10.15580/GTPPE.2019.2.070519127

https://gjournals.org/GTPPE

 

 

 

Field Evaluation of the Insecticidal Activity of Some Plant Extracts against Major Insect Pests of Mung bean (Vigna radiata L. Wilczek) in Nigeria

  

*Emeasor, KC; Ngwobia, MU

  

Department of Plant Health Management, Michael Okpara University of Agriculture Umudike, P.M.B. 7267 Umuahia, Abia State Nigeria.

 

 

ARTICLE INFO

ABSTRACT

 

Article No.: 070519127

Type: Research

DOI: 10.15580/GTPPE.2019.2.070519127

 

A field trial was conducted at the Teaching and Research Farm of the Michael Okpara University of Agriculture, Umudike during the 2018 cropping season to evaluate efficacy of selected plant extracts from five plant species against insect pests of Mung bean (Vigna radiata L. Wilczek). The extracts tested were obtained from leaves of Vernonia amygdalina, Tephrosia vogelii, Alchornea cordifolia, Azadirachta indica, Moringa oleifera and untreated plot was introduced as the check (control) in the trial. The experimental design was a Randomized Complete Block Design (RCBD) with four replicates. Data were collected weekly on the insect population densities, yield and yield components. The results indicated that there was a significant P<0.05) reduction in the population of insects on the plots treated with plant extracts compared with the control plot. The results indicated that all the treatments were effective against major field insect pests of Mung bean (Aphis craccivora (Aphid), Ootheca mutabilis, (brown leaf beetle), Megalurothrips sjostedti (flower bud thrips), Maruca vitrata (legume pod borer), and pod sucking bugs (Nezara viridula “green vegetable bug”), (Riptortus seripes “large brown bean bug”), Anoplocnemis curvipes, Melanacanthus scutellaris (small brown bean bug). Plots treated with Tephrosia vogelii recorded high insecticidal properties when compared with other plant extracts. The plots treated with Tephrosia vogelii and Moringa oleifera recorded the highest grain yield of 406.0kg/ha and 289.5kg/ha in 2018 cropping season. All the plant extracts used exhibited insecticidal activity against insect pests of Mung bean in the field.

 

Submitted: 05/07/2019

Accepted:  30/07/2019

Published: 25/09/2019

 

*Corresponding Author

Emeasor, KC

E-mail: kingsleychidiemeasor@ yahoo.com

 

Keywords:

Plant extracts; Insecticides; Insect pests; Mung bean

 

Peer Review Link: https://gjournals.org/GTPPE/peer-review/2019/070519127.pdf 

 

 

 

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Cite this Article: Emeasor, KC; Ngwobia, MU (2019). Field Evaluation of the Insecticidal Activity of Some Plant Extracts against Major Insect Pests of Mung bean (Vigna radiata L. Wilczek) in Nigeria. Greener Trends in Plant Pathology and Entomology 9(2): 19-28, https://doi.org/10.15580/GTPPE.2019.2.070519127.

 



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