Induced resistance--an innovative approach to manage branched broomrape (Orobanche ramosa) in hemp and tobacco

This study indicates that induced disease resistance might be useful to control branched broomrape. Strains of the rhizosphere bacteria Pseudomonas spp. (Proradix), salicylic acid derivates (Bion), and extracts of the algae Ascophyllum nodosum L. (Goemar Fruton Spezial) can decrease branched broomra...

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Bibliographic Details
Published inWeed science Vol. 52; no. 6; pp. 1050 - 1053
Main Authors Gonsior, G, Buschmann, H, Szinicz, G, Spring, O, Sauerborn, J
Format Journal Article
LanguageEnglish
Published 01.11.2004
Subjects
Cannabis sativa
crop production
disease resistance
hemp
induced resistance
Nicotiana tabacum
Orobanche ramosa
plant pathogenic bacteria
Pseudomonas fluorescens
tobacco
weed control
Germany
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Summary:This study indicates that induced disease resistance might be useful to control branched broomrape. Strains of the rhizosphere bacteria Pseudomonas spp. (Proradix), salicylic acid derivates (Bion), and extracts of the algae Ascophyllum nodosum L. (Goemar Fruton Spezial) can decrease branched broomrape infection to 80%. Results suggest that agents working as elicitors for resistance in other plant-pathogen interactions by induced systemic resistance or by systemic acquired resistance also could reduce branched broomrape infestation. These findings suggest that activation of immune responses before infection of plants could be an innovative control method for parasitic weeds.
ISSN:0043-1745
1550-2759
DOI:10.1614/WS-04-088R1