NDLI: INSECTICIDAL ACTION OF FIVE PLANTS AGAINST MAIZE WEEVIL, Sitophilus Zeamais Motsch. (COLEOPTERA: CURCULIONIDAE)

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INSECTICIDAL ACTION OF FIVE PLANTS AGAINST MAIZE WEEVIL, Sitophilus Zeamais Motsch. (COLEOPTERA: CURCULIONIDAE)

Content Provider	Semantic Scholar
Author	Parugrug, Maribet L.
Copyright Year	2008
Abstract	ABSTRACT A study was conducted to evaluate the insecticidal action of five locally available plants namely: Azadirachta indica (Neem), Cymbopogon citratus (Lemon Grass), Lantana camara (Lantana), Ocimum basilicum (Basil) and Tagetes erecta (African marigold) against maize weevil, Sitophilus zeamais Motsch. following the repellency, adult mortality and antioviposition and growth inhibition tests. Results revealed that all test materials exhibited repellency action against maize weevil. Powdered leaves of neem and lantana were noted to be highly repellant while powdered leaves of lemon grass, basil and African marigold were observed to be moderately repellant against maize weevil within 96 hours of exposure. Corn grains treated with powdered leaves of lemon grass and basil exhibited a low mortality of 5.33% and 0.66%, respectively, at 24 DAII. Other test plants revealed zero adult mortality. None among the test plants manifested anti-ovipositional and growth inhibitory action against maize weevil. All examined corn grains except for carbaryl - treated corn grains showed larval tunnel. The total development period of the maize weevils emerged from both treated and untreated corn grains was the same (39 days) and 100% insect survival was noted indicating zero percent of insects that reached larval or pupal stages only. The adult body weight was comparable among treatments.
File Format	PDF HTM / HTML
Volume Number	8
Alternate Webpage(s)	http://www.thaiscience.info/journals/Article/KLST/10424518.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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