Methods and compositions for modulating plant development are provided. Polynucleotide sequences and amino acid sequences encoding isopentenyl transferase (IPT) polypeptides are provided. The sequences can be used in a variety of methods including modulating root development, modulating floral development, modulating leaf and/or shoot development, modulating senescence, modulating seed size and/or weight, and modulating tolerance of plants to abiotic stress. Polynucleotides comprising an IPT promoter are also provided. The promoter can be used to regulate expression of a sequence of interest. Transformed plants, plant cell, tissues, and seed are also provided.

 
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< Phase difference plate comprising polymer film containing compound having rod-shaped molecular structure

> Use of Acid Scavengers in Removal of Protons (Acidity) of the Reaction Mass During Chlorination of Sucrose-6-Acetate

> Modified gene-silencing RNA and uses thereof

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