Call
About IWSS
International Weed Science Society (IWSS)
The International Weed Science Society (IWSS) was formed in 1975, by individuals from Europe, North America, South America, and the Asian-Pacific area, to deal with global weed science issues. The Society has held six highly successful International Weed Control Congresses, in Australia (1992), Denmark (1996), Brazil (2000), South Africa (2004), Canada (2008) and China (2012). The IWSS is a worldwide scientific organization, open to all who are interested in weeds and their control. The formation of IWSS was promoted actively by the six existing regional weed science societies. The purpose of IWSS is to supplement and complement their vital role...
Founded
in 1975
Latest News
IWSS 2025
-
9th International
Weed Science Congress (IWSC)19-24 October 2025 in Nanjing, China
-
In collaboration with
International Weed Science Society (IWSS)
Management
President's Message
At the outset, let me sincerely thank the International Weed Science Society members for electing a new and dynamic Board. You have entrusted a big responsibility on us and we assure you that the new team will further the cause of IWSS initiated in 1975 by the founding fathers, Les J. Matthews (New Zealand), Marvin M. Schreiber (USA), Larry Burrill (USA), John Fryer (UK), Jerry Doll (USA) and other members.
Photo Gallery
More @ IWSS
Member's Feedbacks
What our Member's Saying About Us
It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here'.
Pedro Alves
BrazilIt is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here'.
Scott Baerson
MalayasiaIt is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here'.
Pedro Alves
BrazilIt is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here'.
Scott Baerson
MalayasiaIt is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here'.
Pedro Alves
BrazilIt is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. The point of using Lorem Ipsum is that it has a more-or-less normal distribution of letters, as opposed to using 'Content here, content here'.
