Influence of grain type on the insecticidal efficacy of two diatomaceous earth formulations against Rhyzopertha dominica (F) (Coleoptera: Bostrychidae)

dc.contributor.author	Kavallieratos, NG	en
dc.contributor.author	Athanassiou, CG	en
dc.contributor.author	Pashalidou, FG	en
dc.contributor.author	Andris, NS	en
dc.contributor.author	Tomanovic, Z	en
dc.date.accessioned	2014-06-06T06:46:33Z
dc.date.available	2014-06-06T06:46:33Z
dc.date.issued	2005	en
dc.identifier.issn	1526498X	en
dc.identifier.uri	http://dx.doi.org/10.1002/ps.1034	en
dc.identifier.uri	http://62.217.125.90/xmlui/handle/123456789/3074
dc.subject	Barley	en
dc.subject	Diatomaceous earth	en
dc.subject	Maize	en
dc.subject	Oats	en
dc.subject	Rhyzopertha dominica	en
dc.subject	Rice	en
dc.subject	Rye	en
dc.subject	Triticale	en
dc.subject	Wheat	en
dc.subject.other	infusorial earth	en
dc.subject.other	insecticide	en
dc.subject.other	pest control	en
dc.subject.other	animal	en
dc.subject.other	article	en
dc.subject.other	beetle	en
dc.subject.other	cereal	en
dc.subject.other	comparative study	en
dc.subject.other	drug effect	en
dc.subject.other	parasitology	en
dc.subject.other	physiology	en
dc.subject.other	reproduction	en
dc.subject.other	Animals	en
dc.subject.other	Beetles	en
dc.subject.other	Cereals	en
dc.subject.other	Diatomaceous Earth	en
dc.subject.other	Insecticides	en
dc.subject.other	Reproduction	en
dc.subject.other	Avena	en
dc.subject.other	Bostrichidae	en
dc.subject.other	Coleoptera	en
dc.subject.other	Hordeum vulgare subsp. vulgare	en
dc.subject.other	Rhyzopertha dominica	en
dc.subject.other	Secale cereale	en
dc.subject.other	Triticosecale	en
dc.subject.other	Triticum aestivum	en
dc.subject.other	Zea mays	en
dc.title	Influence of grain type on the insecticidal efficacy of two diatomaceous earth formulations against Rhyzopertha dominica (F) (Coleoptera: Bostrychidae)	en
heal.type	journalArticle	en
heal.identifier.primary	10.1002/ps.1034	en
heal.publicationDate	2005	en
heal.abstract	Laboratory bioassays were carried out in order to evaluate the effectiveness of two diatomaceous earth (DE) formulations, Insecto and SilicoSec, against adults of Rhyzopertha dominica (F) in eight different grain commodities. The adherence of the two DEs to each grain was also measured. The eight grains tested were wheat, whole barley, peeled barley, oats, rye, triticale, rice and maize. These commodities were treated with the DEs at three rates, 0.75, 1.0 and 1.5 g DE kg-1 grain. The mortality of R dominica adults was measured after 24 h, 48 h, 7 days and 14 days of exposure in the treated grains at 26°C and 55% RH. After the 14-day mortality count, all adults were removed and the treated grains retained under the same conditions for a further 60 days. The treated grains were subsequently examined for F 1 progeny. Significant differences were recorded among the eight grain types as well as between the DE formulations tested. After 14 days of exposure, even at the lowest DE rate for both formulations, adult mortality was high (>90%) in wheat and triticale. In contrast, adult mortality was significantly lower in peeled barley. Increasing the rate improved the efficacy of the DEs significantly in only some of the grains tested. Reproductive capacity in all the treated grains was significantly suppressed when compared with untreated grains. Generally, more F1 individuals of R dominica were noted in the treated peeled barley than in the other commodities. Significant differences in the percentage of DE retention were noted among the eight grains. The highest retention level was noted in rice (>87%) and the lowest in maize (<6%). However, the degree of DE adherence to a given grain was not always indicative of the effectiveness of DE against R dominica. © 2005 Society of Chemical Industry.	en
heal.journalName	Pest Management Science	en
dc.identifier.issue	7	en
dc.identifier.volume	61	en
dc.identifier.doi	10.1002/ps.1034	en
dc.identifier.spage	660	en
dc.identifier.epage	666	en