Here’s 1 reasonable review showing it works to a degree but your looking at weekly applications for any sort of control. Quite frankly there are better methods and far less time consuming. Many of them classed as organic. Powdered Sugar Dusting - Sweet and Safe, but Does it Really Work? Part 3 - Scientific Beekeeping..
As for writing an article it’s old news realistically and not found much favour. So you can draw conclusions from that if you wish. Hope that helps. Ian
As for writing an article it’s old news realistically and not found much favour. So you can draw conclusions from that if you wish. Hope that helps. Ian