She said, "plants love to be torn apart, it makes then grow back stronger." Something to think about.
Yeah, something to think about - she's an idiot, and you more so for falling for such a damaging practice that does nothing more than shock the plant and weaken it, permanently.
Kinda like leaves, who needs those nasty root hairs, eh? They only get in the way.
Having said that I don't believe you ever had a horticultural professor. I think you threw that out to make a point, another one of your falsehoods.
UB