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Titolo:
Virulence of entomopathogenic nematodes to pecan weevil larvae, Curculio caryae (Coleoptera : curculionidae), in the laboratory
Autore:
Shapiro-Ilan, DI;
Indirizzi:
USDA ARS, SE Fruit & Tree Nut Res Lab, Byron, GA 31008 USA USDA ARS ByronGA USA 31008 Fruit & Tree Nut Res Lab, Byron, GA 31008 USA
Titolo Testata:
JOURNAL OF ECONOMIC ENTOMOLOGY
fascicolo: 1, volume: 94, anno: 2001,
pagine: 7 - 13
SICI:
0022-0493(200102)94:1<7:VOENTP>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
BLACK VINE WEEVIL; HETERORHABDITIS-BACTERIOPHORA; STEINERNEMA-FELTIAE; ENTOMOGENOUS NEMATODES; DIAPREPES-ABBREVIATUS; PERSISTENCE; RHABDITIDA; EFFICACY; SUSCEPTIBILITY; INFECTIVITY;
Keywords:
Steinernema; Heterorhabditis; biological control; Curculio caryae; entomopathogenic nematode; virulence;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
48
Recensione:
Indirizzi per estratti:
Indirizzo: Shapiro-Ilan, DI USDA ARS, SE Fruit & Tree Nut Res Lab, Byron, GA 31008 USA USDA ARS Byron GA USA 31008 Res Lab, Byron, GA 31008 USA
Citazione:
D.I. Shapiro-Ilan, "Virulence of entomopathogenic nematodes to pecan weevil larvae, Curculio caryae (Coleoptera : curculionidae), in the laboratory", J ECON ENT, 94(1), 2001, pp. 7-13

Abstract

The pecan weevil, Curculio caryae (Horn), is a key pest of pecans in the Southeast. Entomopathogenic nematodes have bct ll shown to be pathogenic toward the larval stage of this pest. Before this research, only three speciesof nematodes had been tested against pecan weevil larvae. In this study, the virulence of the following nine species and 15 strains of nematodes toward fourth-instar pecan weevil was tested: Heterorhabditis bacteriophora Poinar (Baine, HP88, Oswego, NJ1, and Tf strains), H. indica Poinar, Karunakar& David (original and Homl strains),Il.,marelatus Liu & Berry (IN and Point Reyes strains), It megidis Poinar, Jackson & Klein (UK211 strain), II. zealandica Poinar (NZN3 strain), Steinernema riobrave Cabanillas, Poinar & Raulston (355 strain), S. carpocapsae (Weiser) (All strain), S. feltiae (Filipjev) (SN strain), and S. glaseri (Steiner) (NJ43 strain). No significant difference in virulence was detected among nematode species or strains. Nematode-induced mortality was not significantly greater than control mortality(in any of the experiments conducted) for the Following nematodes: E-I. bacteriophora (Baine), H. zealandica (NZH3), S. carpocapsae (All) S. feltiae (SN), S. glaseri (NJ43), and S.,riobrave (355). All other nematodes caused greater mortality than the control in at least one experiment. Heterorhabditis megidis (UK211) but not II. indica (original) displayed a positive linear relationship between nematode concentration and larval mortality. Results suggested that, as pecan weevil larvae age, they may have become mole resistant to infection with entomopathogenic nematodes.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/09/20 alle ore 13:10:42