Weed Biocontrol Issue 77
In this issue
Bristly Dairy Farm Dilemma
Dairy farms around the North Island are struggling to keep pastures clean as another weed, yellow bristle brass (Setaria pumila), is making its presence felt.
Comparing Ragwort Then with Now: Part One
In a world where accountability and measurable outcomes are becoming the norm, there seems to be more need than ever to demonstrate whether a project has been successful or not.
Three New Agents Approved for Two Weeds
The release of agents to biologically control two serious weeds, tutsan (Hypericum androsaemum) and field horsetail (Equisetum arvense), is a step closer after we received approvals from the Environmental Protection Authority (EPA) in May this year.
Smut for Tradescantia Soon
The three beetles released for the biological control of tradescantia (Tradescantia fluminensis) continue to go from strength to strength in New Zealand.
Most biocontrol agents become active during spring, making it a busy time of year to check release sites and move agents around.
Complete list of biological control agents in use in New Zealand.
Recent publications relating to the biological control of weeds
Changes to pages
If you are keeping your copy of The Biological Control of Weeds Book up to date you might like to download the following new oramended pages.