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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2016, Vol. 4, Issue 1
The toxicity and repellency of some plant extracts applied as individual and mixed extracts against termites (Macrotermes bellicosus)

Ojianwuna. C. Cynthia, Olisedeme Precious, Ossai. S. Lynda

Study was conducted tornevaluate the toxicity and repellency of Zingiber officinale, Allium sativum,rnDennettia tripetala and Capsicum annuum applied as individual and mixedrnextracts against termites (M. bellicocus) under laboratory and fieldrnconditions in Abraka. The experiment was replicated trice with 0.21% Diazinonrn(a synthetic insecticide) and distilled water as a standard check and untreatedrncontrol respectively. The result revealed that as concentration of all plantrnextracts increased, mortality was significant (p< 0.05) after 72hoursrnof exposure. The mixture of Z. officinale + A. sativum was mostrntoxic having the least LC50 of 7.41mgL-1, LT50 of 34hrsrnand a repellency value of 88.89%. Extracts of C. annuum, D. tripitala,rnA.sativum and their mixtures were very effective against termites afterrn30 days of post treatment in the field because the termitaria were not rebuilt.rnHowever, the efficacy of the extract of Z. officinale applied singlyrnagainst termites was slightly reduced after 24 days of post application. Allrnplant botanicals maybe used as plant termiticides as they are readily availablernand cheap to purchase.
Pages : 406-418 | 1114 Views | 43 Downloads
How to cite this article:
Ojianwuna. C. Cynthia, Olisedeme Precious, Ossai. S. Lynda. The toxicity and repellency of some plant extracts applied as individual and mixed extracts against termites (Macrotermes bellicosus). J Entomol Zool Stud 2016;4(1):406-418.
Journal of Entomology and Zoology Studies
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