LST Pros:
-Appropriate for both growth stages
- Lowers main cola so Auxin (growth hormone) is redistributed to lower shoots for more even growth and light distribution
- Puts slight Stress on the stem causing larger "trunks"
- Easily acquired tools (string, duct tape)
- No slowing of growth
LST Cons:
-Requires vigilance to keep all shoots level
Topping Pros:
-Causes two shoots to form from the main stem (FIMing a technique derived from topping, is cutting the growing tip and removing ~1/2 of all the new growth to form 4 shoots.)
-Can be done multiple times on a plant to increase bushiness
Topping Cons:
-Only for the vegetative stage
-Cutting a growing tip slows your plants growth for a period
Im an LST man through and through. Just bend them out and look at the results.