Patent ID: 7456335

Claim:
A method of generating or increasing a resistance to at least one pathogen in a plant, which comprises: reducing an amount, activity or function of an RacB protein in a plant or a tissue, organ, part or cell thereof, wherein the RacB protein is a polypeptide comprising the sequence of SEQ ID NO: 2 or a sequence having at least 90% homology to the sequence of SEQ ID NO: 2; wherein the reducing comprises introducing into the plant, tissue, organ, part or cell thereof: a nucleic acid encoding a double-stranded RacB RNA or an expression cassette comprising said nucleic acid; and wherein the pathogen is selected from the group consisting of Plasmodiophoramycota, Oomycota, Ascomycota, Chytridiomycetes, Zygomycetes, Basidiomycota, Deuteromycetes, and combinations thereof.