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Life Sciences

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Published yearly: 

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ISSN: 2320-964X (Online) 

ISSN: 2320-7817  (Print)

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ORIGINAL ARTICLE

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Int. Journal of Life Sciences, 2016; 4(1):22-28 |  Available online, April 11, 2016

Nematicidal potential of three plant materials against root-knot nematode (Meloidogyne incognita) infestation on tomato (Solanum lycopersicum)

 

Ekpenyong EP, Ononuju CC, Orikara CC and Ikwunagu EA*

College of Crop and Soil Sciences, Department of Plant Health Management, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria.

*Correspnding author Email: emmanuelikwunagu@yahoo.com  

Received: 15.02.2016   |   Accepted: 21.03.2016   |  Published : 11.04.2016

Pot trial experiment was conducted at the College of Crop and Soil Sciences, Michael Okpara University of Agriculture, Umudike, Abia State, Nigeria between the months of June and October, 2014. The study was designed to determine; the nematicidal effect of leaf powders of Aspilia africana (African marigold), Terminalia catappa (Indian almond) and Cymbopogon citratus (Lemon grass) against nematode infestation on tomato; appropriate time of application of plant materials  and to compare the effect of the plant materials with synthetic nematicide (carbofuran). The experiment consisted of six treatments with six replicates, arranged in a Completely Randomized Design. Parameters recorded were number of leaves, plant height, number of fruits, weight of fruits, fresh shoot weight, fresh root weight, number of galls in roots, number of nematodes egg in root and number of nematodes larvae in soil. Result obtained showed that treatments at 1 and 15 days after inoculation (DAI) with nematode eggs significantly reduced nematode population in some parameters than 30 DAI, although in some cases, there were no significant differences between treated and untreated experiments. Thus, different powders significantly increased tomato yield when compared with untreated (nematode alone). However treatments with Aspilia africana appeared to be most effective, as it recorded least number of galls irrespective of periods of application, also for eggs in the roots and nematode larvae in soil. Plants treated with nematicide ranked second in reducing number of galls, eggs in roots and nematode larvae in soil. Aspilia africana performed better than Terminalia catappa and Cymbopogon citratus leaf powders, suggesting that they could be used in the management of root-knot nematodes in tomato production as alternative to chemical nematicides in view of their environmental hazard and pollution problems.

 

Keywords: Aspilia Africana, Cymbopogon citrates, Carbofuran, Meloidogyne incognita, Terminalia catappa

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Editor: Dr. Arvind Chavhan

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Cite this article as:

Ekpenyong EP, Ononuju CC, Orikara CC and Ikwunagu EA (2016) Nematicidal potential of three plant materials against root-knot nematode (Meloidogyne incognita) infestation on tomato (Solanum lycopersicum).  International J. of Life Sciences, 4(1): 22-28. 

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Copyright: © 2016 | Author(s), This is an open access article under the terms of the Creative Commons Attribution-Non-Commercial - No Derivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.


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    INTERNATIONAL JOURNAL OF

    LIFE SCIENCES

    Print ISSN : 2320-7817 

    Online ISSN:2320-964X

    UGC Approved Journal No. 48951


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