Core Viewpoint - Nanjing Agricultural University is leveraging genetic engineering and gene editing technologies to develop new chrysanthemum varieties, including potential "blue chrysanthemums" and "fluorescent chrysanthemums" that can glow in the dark [1][7][8] Group 1: New Varieties - The newly developed chrysanthemum varieties include "Nannong Danxin," "Nannong Fenying," and "Nannong Hongrui," which have unique flower shapes and colors, with some individual varieties achieving annual sales of millions of stems [3][5] - "Nannong Danxin" features a peach-pink flower color, while "Nannong Hongrui" has pink petals with a deep pink center, both noted for their excellent ornamental qualities [5][7] Group 2: Research and Development - The research team at Nanjing Agricultural University is addressing key issues in chrysanthemum cultivation, such as unclear mechanisms of important traits, limited commercial varieties, and poor resistance [7] - The team has made breakthroughs in gene editing and whole-genome selection, focusing on creating new varieties that are resistant, have longer blooming periods, and feature unique colors and shapes [7][8] Group 3: Genetic Resources - The Lake Shushu Chrysanthemum Base at Nanjing Agricultural University is home to the largest collection of chrysanthemum genetic resources globally, preserving over 5,300 resources, including wild species and various cultivated types [8] - This extensive genetic resource collection supports the breeding of new chrysanthemum varieties and innovation across the entire industry chain, reinforcing the foundation for a robust chrysanthemum industry in China [8]