Group 1 - The International Weed Science Congress held in Nanjing, China, brought together over 600 experts from 42 countries to discuss advancements in weed science under the theme "New Technologies Leading Weed Science Development" [2][3] - Weeds pose a significant threat to agricultural production and ecological safety, causing an estimated 10%-15% loss in agricultural yield globally, with China's annual economic loss exceeding 100 billion yuan due to weeds affecting over 85% of its farmland [2] - The conference highlighted China's recent breakthroughs in weed science, including the discovery of new mechanisms of glyphosate resistance and the development of intelligent weeding equipment based on high-precision positioning technology [3] Group 2 - The conference featured diverse agendas, including keynote speeches and roundtable discussions, focusing on the latest advancements in weed biology, ecology, and molecular mechanisms, contributing to global weed challenges [3] - The event underscored China's growing influence in the field of weed science, with calls for global collaboration to enhance innovation and achieve sustainable agricultural practices [4] - The integration of innovative weed control technologies is deemed crucial for ensuring global food and ecological security amid challenges posed by climate change and agricultural transformation [2][3]