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Titolo:
Resistance to bacterial spot in bell pepper induced by acibenzolar-S-methyl
Autore:
Romero, AM; Kousik, CS; Ritchie, DF;
Indirizzi:
N Carolina State Univ, Dept Plant Pathol, Raleigh, NC 27695 USA N CarolinaState Univ Raleigh NC USA 27695 Pathol, Raleigh, NC 27695 USA
Titolo Testata:
PLANT DISEASE
fascicolo: 2, volume: 85, anno: 2001,
pagine: 189 - 194
SICI:
0191-2917(200102)85:2<189:RTBSIB>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
CAMPESTRIS PV-VESICATORIA; SYSTEMIC ACQUIRED-RESISTANCE; DISEASE RESISTANCE; XANTHOMONAS; COPPER; BENZOTHIADIAZOLE; STRAINS; GENE; ARABIDOPSIS; RESPONSES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
34
Recensione:
Indirizzi per estratti:
Indirizzo: Ritchie, DF N Carolina State Univ, Dept Plant Pathol, Box 7616, Raleigh, NC 27695 USA N Carolina State Univ Box 7616 Raleigh NC USA 27695 27695 USA
Citazione:
A.M. Romero et al., "Resistance to bacterial spot in bell pepper induced by acibenzolar-S-methyl", PLANT DIS, 85(2), 2001, pp. 189-194

Abstract

Bell pepper plants sprayed with the chemical acibenzolar-S-methyl (ABM, Actigard 50 WG) showed resistance to subsequent infections with the bacterialspot agent Xanthomonas monopodis pv. vesicatoria. Induction of resistance was independent of the cultivar used, and was expressed as early as 3 days after treatment and continued for at least 2 weeks. In the field, applications of ABM every 2 weeks, alone or in combination with copper, resulted in disease control similar to the standard treatment of copper plus maneb. Yield response was variable, with certain combinations of chemical treatments and cultivars producing yields as large as the copper plus maneb treatment. In contrast, weekly applications during the entire crop season had a negative impact on yield. In plots maintained free of bacterial spot, applications of ABM every 2 weeks caused a reduction in yield for one cultivar of sixtested. The use of chemical inducers for the control of bacterial spot on bell pepper, while generally promising, may result in an unpredictable lossin fruit yield.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/04/20 alle ore 13:07:16