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Titolo:
EVALUATION OF 2 LEAFHOPPER SAMPLING METHODS FOR PREDICTING THE INCIDENCE OF A LEAFHOPPER-TRANSMITTED VIRUS OF MAIZE
Autore:
POWER AG; RODRIGUEZ CM; GAMEZ R;
Indirizzi:
UNIV COSTA RICA,CELLULAR & MOLEC BIOL RES CTR,CIUDAD UNIV SAN JOSE COSTA RICA
Titolo Testata:
Journal of economic entomology
fascicolo: 2, volume: 85, anno: 1992,
pagine: 411 - 415
SICI:
0022-0493(1992)85:2<411:EO2LSM>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
CORN STUNT; DISEASE;
Keywords:
INSECTA; CICADELLIDAE; INSECT VECTOR; PLANT INSECT INTERACTIONS;
Tipo documento:
Article
Natura:
Periodico
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
A.G. Power et al., "EVALUATION OF 2 LEAFHOPPER SAMPLING METHODS FOR PREDICTING THE INCIDENCE OF A LEAFHOPPER-TRANSMITTED VIRUS OF MAIZE", Journal of economic entomology, 85(2), 1992, pp. 411-415

Abstract

Two sampling methods for estimating the abundance of corn leafhopper,Dalbulus maidis Delong & Wolcott, were evaluated for predicting the incidence of maize rayado fino virus (MRFV), a virus transmitted to maize in a persistent manner by D. maidis. Leafhoppers were sampled weekly using both counts of insects on plants and yellow sticky traps in maize planted at two densities, and the incidence of MRFV was recorded twice during that period. There were fewer leafhoppers per plant, a lower incidence of MRFV, and fewer virus-infected plants per square meterin maize planted at a higher density, but there were no differences in the number of leafhoppers caught per trap or in the number of leafhoppers per square meter. Multiple regression analysis revealed that thenumber of leafhoppers per plant was a reliable predictor of disease incidence, but no relationship between trap catch and disease incidencecould be detected. These results suggest that counts of vectors on plants may be more reliable than sticky traps for predicting the incidence of persistently transmitted plant pathogens.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/07/20 alle ore 12:50:37