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AssigneeProbelte, S.A.
InventorsAna Isabel Fernández Martínez, Mario Jorge Villaverde Fernández, Juan Antonio Casanova Roca, José Antonio Nicolás Martínez, Jorge Malo López-Roman, Ceferin Ballesta Germán
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A nematicidal product for the biological control of plant pathogenic nematodes containing three new isolates of Bacillus thuringiensis strain N11, Bacillus mojavensis strain SR11 and Azospirillum brasilense strain ALo1, deposited in the Spanish Type Culture Collection (CECT) with the names CECT-7665, CECT-7666 and CECT-5856 respectively, which have a high antagonistic capacity against pathogens of this type, as well as the property of stimulating plant growth through different mechanisms. Liquid and solid formulations of the product which have good stability at room temperature and which are effective in the biological control of plant pathogenic nematodes and for stimulating the growth of plants.
A pure culture of the strain called N11 of the Bacillus thuringiensis species, characterized by having high nematicidal activity, as well as collagenase activity, not producing β-exotoxin and having the capacity to solubilize phosphates, deposited in the Spanish Type Culture Collection (CECT) with number CECT-7665.
A pure culture of the strain called SR11 of the Bacillus mojavensis species, characterized by its capacity to solubilize soil phosphates and stimulate plant growth, being capable of producing indole-3-acetic acid and growing in 1-aminocyclopropane-1-carboxylic acid (ACC) as a single source of nitrogen, said strain having been deposited in the CECT with number CECT-7666.
A pure culture of the strain called ALo1 of the Azospirillum brasilense species, characterized by producing indole-3-acetic acid with a conversion percent of between 70-90% of the tryptophan added in the culture medium, siderophores and other plant growth regulating substances, as well as atmospheric nitrogen fixation with growing capacity in 1-aminocyclopropane-1-carboxylic acid (ACC) as a single source of nitrogen, deposited in the Spanish Type Culture Collection (CECT) with number CECT-5856.
A bionematicidal and plant growth stimulator biological preparation, comprising viable cells containing Bacillus thuringiensis strain N11 (CECT-7665), Bacillus mojavensis strain SR11 (CECT-7666) and Azospirillum brasilense strain ALo1 (CECT-5856).
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