Once again, the ratio specified by the manufacturers had more to do with the oil technology at the time then with the engine technology/design. 2 cycle oils have improved so much that even the old 16:1 engine recomendations get better lubrication using 40-50:1 assuming the newer oils are used. (the old 16:1 oils were probably Group I dino's where the new 50:1 oils are typically a highly advanced synthetic.)
You don't need a seperate jug for each mix as long as you use a modern
2 cycle oil. I've done research and Mobil MX2T is one of the best. (available at Autozone)