topping hasn't proved beneficial for me. I have always yeilded better when the plant has been left alone. When you think about it, while the two brances below the cut do end up at the top.. they would have been very close to the top anyway, with topping, your just removing a very productive part of the plant. I think bending over the main stem to create the bush effect is better, you still have the other branches getting good light, as well as the main cola