http://reply.papertrans.cn/4/307/30615/30615-11.png
http://reply.papertrans.cn/4/307/30615/30615-12.png
Submitted on: 19 December 1998.
Revised on: 29 January 1999.
Accepted on: 19 February 1999.
WEED SCIENCE
http://reply.papertrans.cn/4/307/30615/30615-14.png
Submitted on: 21 December 1998.
Revised on: 05 January 1999.
Accepted on: 30 January 1999.
WEED SCIENCE---CAMBRIDGE UNIV PRESS
http://reply.papertrans.cn/4/307/30615/30615-16.png
http://reply.papertrans.cn/4/307/30615/30615-17.png
http://reply.papertrans.cn/4/307/30615/30615-18.png
Submitted on: 14 February 2019.
Revised on: 18 March 2019.
Accepted on: 25 March 2019.
WEED SCIENCE
http://reply.papertrans.cn/4/307/30615/30615-20.png