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]

Core Insights - The International Weed Science Congress is being held in Nanjing from October 19 to 24, with over 600 experts from 42 countries participating [1] - Weeds cause an estimated annual agricultural yield loss of 10% to 15%, with China's annual economic loss exceeding 100 billion yuan due to weed infestations [1] - The conference focuses on the latest advancements in weed biology, ecology, molecular mechanisms, smart identification, resistance management, and green control [1] Industry Overview - In 2024, China's grain sowing area is projected to be approximately 119 million hectares, with weed occurrence affecting over 100 million hectares, accounting for more than 85% of the farmland [1] - The challenges posed by difficult-to-control weeds, accelerated community succession, herbicide resistance, and frequent pesticide damage incidents are increasingly prominent, threatening sustainable agricultural development [1] - Innovative weed control technologies are deemed crucial for ensuring global food and ecological security [1] Conference Themes - The theme of the conference is "New Technologies Leading the Development of Weed Science," aiming to share successful experiences from various countries and build scientific consensus for future development paths [1] - The event showcases the latest progress in China's weed science research, contributing Chinese wisdom and solutions to global weed challenges [1]