Abstract: The present invention provides a method for improving traits in a plant, like e.g. improving yield-related traits like number of flowers, number of siliques, seed yield, stem growth in a plant, the method comprising disruption of endogenous ROCK1 gene in a plant cell, wherein said disruption inhibits expression and/or activity of a product of said endogenous ROCK1 gene compared to a corresponding control plant cell lacking such a disruption.

Abstract: The present invention is directed to a method for increasing seed yield in a plant, the method comprising disruption of endogenous AHP6 gene in cells of the plant, wherein said disruption inhibits expression and/or activity of a product of said endogenous AHP6 gene compared to a corresponding control plant lacking such a disruption.

Abstract: The present invention relates to two new gain of function variants of the cytokinin receptor proteins AHK2 and AHK3, namely rock2 and rock3, to transgenic organisms comprising at least one of said new gain-of-function cytokinin receptor variants and to a method for the manufacturing of a transgenic plant comprising at least one of the new gain-of-function variants.

Abstract: The present invention is directed to isolated plant cells and transgenic plants comprising a disruption in at least a CKX3 gene and in one further gene encoding for a cytokininoxidase/dehydrogenase and being different from CKX3 well as to methods of producing such transgenic plants and to methods of increasing seed yield in a plant and/or plant height.

Abstract: The present invention provides methods and compositions for increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight. The methods comprise expression of a cytokinin oxidase or expression of another protein that reduces the level of active cytokinins in plants or plant parts. Methods and compositions for increasing seed yield are also provided. The invention also relates to isolated plant cytokinin oxidase proteins, nucleic acid sequences encoding cytokinin oxidase proteins as well as to vectors, host cells, transgenic cells and plants comprising such sequences.

Abstract: The present invention relates to methods for stimulating root growth and/or enhancing the formation of lateral or adventitious roots and/or altering root geotropism comprising expression of a plant cytokinin oxidase or comprising expression of another protein that reduces the level of active cytokinins in plants or plant parts. The invention also relates to novel plant cytokinin oxidase proteins, nucleic acid sequences encoding cytokinin oxidase proteins as well as to vectors, host cells, transgenic cells and plants comprising said sequences. The invention also relates to the use of said sequences for improving root-related characteristics including increasing yield and/or enhancing early vigor and/or modifying root/shoot ratio and/or improving resistance to lodging and/or increasing drought tolerance and/or promoting in vitro propagation of explants and/or modifying cell fate and/or plant development and/or plant morphology and/or plant biochemistry and/or plant physiology.

Abstract: The present invention relates to methods for increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight. The methods comprise expression of a cytokinin oxidase in plants or plant parts, preferably in seeds, embryos and/or cotyledons. The methods result in increases in: yield, growth of seedlings, early vigor, and stress tolerance. The invention also relates to isolated plant cytokinin oxidase proteins, nucleic acid sequences encoding cytokinin oxidase proteins as well as to vectors, host cells, transgenic cells and plants comprising such sequences.

Abstract: The present invention is directed to a method for increasing seed yield in a plant, the method comprising disruption of endogenous AHP6 gene in cells of the plant, wherein said disruption inhibits expression and/or activity of a product of said endo genus AHP6 gene compared to a corresponding control plant lacking such a disruption.

Abstract: The present invention provides methods and compositions for increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight. The methods comprise expression of a cytokinin oxidase or expression of another protein that reduces the level of active cytokinins in plants or plant parts. Methods and compositions for increasing seed yield are also provided. The invention also relates to isolated plant cytokinin oxidase proteins, nucleic acid sequences encoding cytokinin oxidase proteins as well as to vectors, host cells, transgenic cells and plants comprising such sequences.

Abstract: The present invention relates to methods for increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight. The methods comprise expression of a cytokinin oxidase in plants or plant parts, preferably in seeds, embryos and/or cotyledons. The methods result in increases in: yield, growth of seedlings, early vigor, and stress tolerance. The invention also relates to isolated plant cytokinin oxidase proteins, nucleic acid sequences encoding cytokinin oxidase proteins as well as to vectors, host cells, transgenic cells and plants comprising such sequences.

Abstract: The present invention relates to two new gain of function variants of the cytokinin receptor proteins AHK2 and AHK3, namely rock2 and rock3, to transgenic organisms comprising at least one of said new gain-of-function cytokinin receptor variants and to a method for the manufacturing of a transgenic plant comprising at least one of the new gain-of-function variants.

Abstract: The present invention relates to methods for stimulating root growth and/or enhancing the formation of lateral or adventitious roots and/or altering root geotropism comprising expression of a cytokinin oxidase or comprising expression of another protein that reduces the level of active cytokinins in plants or plant parts. Also provided by the present invention are methods for increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight. The methods comprise expression of a cytokinin oxidase or expression of another protein that reduces the level of active cytokinins in plants or plant parts. Methods and compositions for increasing seed yield are also provided. The invention also relates to isolated plant cytokinin oxidase proteins, nucleic acid sequences encoding cytokinin oxidase proteins as well as to vectors, host cells, transgenic cells and plants comprising such sequences.

Abstract: The invention relates to substituted 6-anilinopurine derivatives of the general formula I, wherein R denotes one to five substituents independently selected from the group consisting of hydrogen, halogen, hydroxyl, amino, alkyloxy and alkyl group, and R2 denotes amino, halogen, nitro, thio, alkylthio or alkyl group for use as inhibitors of cytokinin oxidase/dehydrogenase. The invention also relates to the compositions containing these derivatives.

Abstract: The present invention is directed to isolated plant cells and transgenic plants comprising a disruption in at least a CKX3 gene and in one further gene encoding for a cytokininoxidase/dehydrogenase and being different from CKX3 well as to methods of producing such transgenic plants and to methods of increasing seed yield in a plant and/or plant height.

Abstract: The present invention provides nucleotide sequences and corresponding amino acid sequences for plant cytokinin oxidase proteins. In addition, vectors, host cells, and transgenic plants comprising such sequences as well as methods for stimulating root growth and/or enhancing the formation of lateral or adventitious roots and/or altering root geotropism using such sequences are provided by the present invention. Also provided by the present invention are methods for altering various plant phenotypes including delaying onset to flowering, increasing leaf thickness, reducing vessel size, inducing parthenocarpy, increasing branching, increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight using cytokinin oxidase proteins and/or nucleic acid molecules encoding cytokinin oxidase.

Abstract: The present invention provides nucleotide sequences and corresponding amino acid sequences for plant cytokinin oxidase proteins. In addition, vectors, host cells, and transgenic plants comprising such sequences as well as methods for stimulating root growth and/or enhancing the formation of lateral or adventitious roots and/or altering root geotropism using such sequences are provided by the present invention. Also provided by the present invention are methods for altering various plant phenotypes including delaying onset to flowering, increasing leaf thickness, reducing vessel size, inducing parthenocarpy, increasing branching, increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight using cytokinin oxidase proteins and/or nucleic acid molecules encoding cytokinin oxidase.

Abstract: The present invention provides nucleotide sequences and corresponding amino acid sequences for plant cytokinin oxidase proteins. In addition, vectors, host cells, and transgenic plants comprising such sequences as well as methods for stimulating root growth and/or enhancing the formation of lateral or adventitious roots and/or altering root geotropism using such sequences are provided by the present invention. Also provided by the present invention are methods for altering various plant phenotypes including delaying onset to flowering, increasing leaf thickness, reducing vessel size, inducing parthenocarpy, increasing branching, increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight using cytokinin oxidase proteins and/or nucleic acid molecules encoding cytokinin oxidase.

Abstract: The invention relates to 6-(alkylbenzylamino)purine derivatives of the general formula I for use as cytokinin receptor antagonists, wherein R1 is selected from the group comprising hydroxyl, amino, nitro, thio and alkyl group, and R2 denotes one to four alkyl groups. The invention also relates to preparations containing these derivatives.

Abstract: The invention relates to substituted 6-anilinopurine derivatives of the general formula I, wherein R denotes one to five substituents independently selected from the group consisting of hydrogen, halogen, hydroxyl, amino, alkyloxy and alkyl group, and R2 denotes amino, halogen, nitro, thio, alkylthio or alkyl group for use as inhibitors of cytokinin oxidase/dehydrogenase. The invention also relates to the compositions containing these derivatives.

Abstract: The present invention relates to methods for stimulating root growth and/or enhancing the formation of lateral or adventitious roots and/or altering root geotropism comprising expression of a cytokinin oxidase or comprising expression of another protein that reduces the level of active cytokinins in plants or plant parts. Also provided by the present invention are methods for increasing seed size and/or weight, embryo size and/or weight, and cotyledon size and/or weight. The methods comprise expression of a cytokinin oxidase or expression of another protein that reduces the level of active cytokinins in plants or plant parts. Methods and compositions for increasing seed yield are also provided. The invention also relates to isolated plant cytokinin oxidase proteins, nucleic acid sequences encoding cytokinin oxidase proteins as well as to vectors, host cells, transgenic cells and plants comprising such sequences.