"Chrysanthemum: Genetic Divergence" is a specialized book that focuses on the genetic diversity of chrysanthemums (Dendranthema grandiflora Tzvelev), one of the most significant cut flowers worldwide. The book examines the variability within selected phenotypes concerning growth, yield, and quality parameters. It provides a comprehensive analysis of genetic diversity, heritability, and genetic advancements that are crucial for the development of successful breeding programs. The findings of this study are highly beneficial for breeders, students, and farmers, as they offer valuable information for improving yields and identifying superior genotypes. This publication is an essential tool for anyone involved in the breeding and production of chrysanthemums and contributes to the advancement of scientific foundations in plant breeding.