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Titolo:
FIELD PERFORMANCE OF CLAVIBACTER-XYLI SUBSP CYNODONTIS EXPRESSING THEINSECTICIDAL PROTEIN GENE CRYIA(C) OF BACILLUS-THURINGIENSIS AGAINST EUROPEAN CORN-BORER IN-FIELD CORN
Autore:
TOMASINO SF; LEISTER RT; DIMOCK MB; BEACH RM; KELLY JL;
Indirizzi:
CROP GENET INT BV,10150 OLD COLUMBIA RD COLUMBIA MD 21046
Titolo Testata:
Biological control
fascicolo: 3, volume: 5, anno: 1995,
pagine: 442 - 448
SICI:
1049-9644(1995)5:3<442:FPOCSC>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
BERMUDAGRASS STUNTING DISEASE; TRANSGENIC TOMATO PLANTS; INACTIVATION; LEPIDOPTERA;
Keywords:
CLAVIBACTER XYLI SUBSP CYNODONTIS; ENDOPHYTIC BACTERIA; BACILLUS THURINGIENSIS; OSTRINIA NUBILALIS; BIOLOGICAL CONTROL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
26
Recensione:
Indirizzi per estratti:
Citazione:
S.F. Tomasino et al., "FIELD PERFORMANCE OF CLAVIBACTER-XYLI SUBSP CYNODONTIS EXPRESSING THEINSECTICIDAL PROTEIN GENE CRYIA(C) OF BACILLUS-THURINGIENSIS AGAINST EUROPEAN CORN-BORER IN-FIELD CORN", Biological control, 5(3), 1995, pp. 442-448

Abstract

The field efficacy of the endophytic bacterium Clavibacter xyli subsp. cynodontis (Cxc) expressing the cry-IA(c) insecticidal protein gene of Bacillus thuringiensis (Bt) was evaluated against European corn borer (Ostrinia nubilalis) (ECB) in field corn during 1990 in Maryland and during 1991-1993 in Nebraska. The engineered strains, referred to asCxc/Bt, were introduced into corn seedlings using a would inoculationtechnique or into corn seed via a pressure infiltration technique. Two Cxc/Bt strains (MDR1.586, MDR1.1413) were evaluated in the pedigree LH119 x LH82. Plants were artificially infested near pollen shed with neonate ECB larvae and later dissected to determine the amount of ECB tunneling. In 1993, plots were machine-harvested to obtain yield data. Both Cxc/Bt strains significantly reduced ECB damage compared with plants colonized by wild-type Cxc and/or uncolonized control plants. In 1990, strain MDR1.586 reduced the number of tunnels by 64.0%. Field efficacy of strain MDR1.586 was further demonstrated in 1991 and 1992 astreated plants exhibited 57.1 and 65.0% fewer tunnels, respectively. Strain MDR1.1413 reduced the number of tunnels by 79.0% in 1992 and by68.7% in 1993. Despite the significant control of ECB by strain MDR1.1413 in 1993, grain yield from Cxc/Bt-inoculated plants was not significantly different from the uninoculated control. (C) 1995 Academic Press, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 20/09/20 alle ore 23:06:40