All data are based on my three research experiments that I completed in my PhD study. Sequence information for all genes are in text document (.txt) files. These were used to create protein phylogenetic trees for TaTAR, TaYUC, TaTGW6 and TaIAGLU using Mega7 software. The figures of the trees are in a word file. The bar graphs in the excel files are the expression results of the genes. RNA sequencing (RNA-seq) data of TaTAR, TaYUC and TaTGW6 were downloaded from expVIP (http://www.wheat-expression.com/). Rice RNA-seq data were downloaded from ‘Rice Genome Annotation Project’. These data were used to create Heat Maps for the genes. The effects of different IAA inhibitors and IAA on different yield parameters are found in excel files.