The present invention provides the methods and material for producing and selecting to have at least one plant for downgrading Relevant phenotype. The method and material select the expression with the ARF3 polypeptides changed or active plant about the expression or activity for changing ARF3 polypeptides in plant. The present invention also provides the plants for being produced or being selected by the method. This method further relates to hybridize plant of the invention with other plant to generate at least one other plant for downgrading Relevant phenotype.
