IWSC 2028 · Bologna, Italy

IWSS

Plant illustration

International Weed Science Society (IWSS)

The International Weed Science Society (IWSS) is the leading international scientific society devoted to the advancement of weed science and the dissemination of knowledge on weed management at the global level.

Founded to foster international cooperation among weed scientists, the Society serves as a platform for the exchange of scientific knowledge, innovative technologies, and best practices in weed management. The official website of the Society is www.iwss.info, which provides information on its activities, publications, governance, membership, and upcoming events.

The Society publishes a newsletter twice a year to keep its members informed about recent developments, research activities, and international events. In addition, it organizes the International Weed Control Congress, a major scientific gathering held every four years that brings together researchers, educators, industry representatives, and policy makers from around the world.

Stage of the 9th International Weed Science Congress, organized by the IWSS, in Nanjing, China, 2025

Mission and Objectives

The mission of the IWSS is to advance weed science and promote sustainable weed management worldwide through international cooperation, knowledge exchange, education, and scientific innovation.

Its main objectives include:

Advancing global weed science and weed management technologies.

Fostering international scientific communication and collaboration.

Supporting the organization of symposia and scientific events of international relevance.

Promoting education, training, and capacity building in weed science.

Providing information on key international weed science activities and events.

Developing partnerships with national and international organizations.

Encouraging research, extension, and regulatory programs that address emerging weed problems.

Supporting the development of weed science societies around the world.

Main Activities

To achieve its goals, the IWSS provides an international forum for addressing global weed issues through:

Organization of international congresses, conferences, workshops, training courses, and scientific meetings.

Collaboration with scientific societies, universities, research institutions, and international organizations in the development of educational and scientific initiatives.

Publication and dissemination of newsletters, conference proceedings, monographs, and other scientific and technical resources.

Promotion of networking opportunities among researchers, students, extension specialists, industry representatives, and policy makers.

International Role and Impact

As the leading global organization dedicated to weed science, the IWSS provides a unique forum for international collaboration and knowledge exchange. Its activities strengthen scientific capacity, promote innovation in weed management, and support the adoption of sustainable practices capable of addressing the evolving challenges faced by agricultural and natural ecosystems worldwide.

Participants gathered on stage at the 9th International Weed Science Congress, Nanjing, China, 2025

Governance and Current Leadership

The Society is governed by an elected Board of Officers that reflects its international character and commitment to global collaboration.

President

Do-Soon Kim

Seoul National University, Republic of Korea.

Vice President

Josef Soukup

Czech University of Life Sciences, Prague, Czech Republic.

Secretary

Bianca Assis Barbosa Martins

Bayer AG, Frankfurt, Germany.