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International Letters of Chemistry, Physics and Astronomy
Volume 51

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Comparative Efficacy of Tephrosia vogelii and Moringa oleifera against Insect Pests of Watermelon (Citrullus lanatus Thumb)

This article has been retracted.

Is referred to by “Retraction Notice: F.O. Alao, T.A. Adebayo, Comparative Efficacy of Tephrosia vogelii and Moringa oleifera against Insect Pests of Watermelon (Citrullus lanatus Thumb), International Letters of Chemistry, Physics and Astronomy, Vol. 51, pp. 5-12, 2015”, International Letters of Chemistry, Physics and Astronomy, Vol. 72, pp. 65-65, 2017.

The article was proved to be a duplicate of another publication. The article was published online in the International Letters of Natural Sciences in March 2015 while in the International Letters of Chemistry, Physics and Astronomy (ILCPA) it was published in May 2015. Thus following the COPE Retraction Guidelines, the article published in the ILCPA was subject to retraction for the purpose of eliminating the redundant publication and discouraging the efforts on duplicate publication malpractice. The authors were acknowledged about the decision to retract the article in a proper way. Thus, the paper has been declared retracted and marked accordingly.

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Abstract:

Despite the fact that synthetic insecticides are fast acting, they constitute environmental hazard thereby necessitating the use of ecologically based alternative such as plant based insecticide. This experiment was conducted during the late and early planting seasons of 2011 to determine the insecticidal efficacy of Tephrosia vogelii and Moringa oleifera extracts at three tested concentrations (5, 10 and 20% v/v) against insect pests of watermelon. The experiment was set up in a randomized complete block design with three replicates. The results showed that M. oleifera extracts had 62% reduction of Phyllotreta cruciferae compared with T. vogelii which had 45% control. However, T. vogelii extracts had 64% control of Diabrotica undecimpunctata and Bactrocera curcubitea but M. olefera extracts had 50% control. The plant extracts proved effective against studied insects when compared with untreated plots. However, the effectiveness of the two plants extracts were concentration dependent. Therefore, the two plant extracts can be used in the control of insect pests of the watermelon

Info:

Periodical:
International Letters of Chemistry, Physics and Astronomy (Volume 51)
Pages:
5-12
Citation:
F. O. Alao and T.A. Adebayo, "Comparative Efficacy of Tephrosia vogelii and Moringa oleifera against Insect Pests of Watermelon (Citrullus lanatus Thumb)", International Letters of Chemistry, Physics and Astronomy, Vol. 51, pp. 5-12, 2015
Online since:
May 2015
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References:

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