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Titolo:
Induction of systemic resistance to Colletotrichum falcatum in sugarcane by a synthetic signal molecule, acibenzolar-S-methyl (CGA-245704)
Autore:
Sundar, AR; Velazhahan, R; Viswanathan, R; Padmanaban, P; Vidhyasekaran, P;
Indirizzi:
ICAR, Sugarcane Breeding Inst, Coimbatore 641007, Tamil Nadu, India ICAR Coimbatore Tamil Nadu India 641007 mbatore 641007, Tamil Nadu, India Tamil Nadu Agr Univ, Coimbatore 641003, Tamil Nadu, India Tamil Nadu Agr Univ Coimbatore Tamil Nadu India 641003 Tamil Nadu, India
Titolo Testata:
PHYTOPARASITICA
fascicolo: 3, volume: 29, anno: 2001,
pagine: 231 - 242
SICI:
0334-2123(2001)29:3<231:IOSRTC>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
PATHOGENESIS-RELATED PROTEINS; ACQUIRED DISEASE RESISTANCE; TOBACCO MOSAIC-VIRUS; PHYTOPHTHORA-INFESTANS; BIOLOGICAL FUNCTION; RHIZOCTONIA-SOLANI; CUCUMBER PLANTS; BLIGHT DISEASE; SALICYLIC-ACID; SHEATH BLIGHT;
Keywords:
chitinase; beta-1,3-glucanase; induced systemic resistance; red rot; Saccharum officinarum; thaumatin-like protein;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
71
Recensione:
Indirizzi per estratti:
Indirizzo: Sundar, AR ICAR, Sugarcane Breeding Inst, Coimbatore 641007, Tamil Nadu, India ICAR Coimbatore Tamil Nadu India 641007 007, Tamil Nadu, India
Citazione:
A.R. Sundar et al., "Induction of systemic resistance to Colletotrichum falcatum in sugarcane by a synthetic signal molecule, acibenzolar-S-methyl (CGA-245704)", PHYTOPARASI, 29(3), 2001, pp. 231-242

Abstract

The effect of a novel synthetic signal molecule, acibenzolar-S-methyl (CGA-245704; benzo [1,2,3] thiadiazole-7-carbothioic acid S-methyl ester), in inducing resistance in sugarcane against red rot disease caused by the fungus Colletotrichum falcatum Went was studied. Application of CGA-245704 as a soil drench or along with marcotting rooting mixture induced resistance in sugarcane to challenge inoculation with C. falcatum. When the pathogen was inoculated by the plug method, it caused discoloration in the untreated control stalk tissues; however, in the stalk tissues pretreated with acibenzolar-S-methyl, pathogen colonization was considerably reduced. When the pathogen was inoculated by nodal swabbing, its penetration was arrested in the sensitized stalk tissues. An induced systemic resistance effect was found topersist up to 30 days in the pretreated cut canes. Increased phenolic content and accumulation of pathogenesis-related (PR) proteins, viz., chitinase, beta -1,3-glucanase and thaumatin-like protein (PR-5), were observed in sugarcane plants treated with acibenzolar-S-methyl.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 31/03/20 alle ore 03:49:08