wound on stem

Hey guys, first timer here I've been experimenting with straining/weighing down my plant, well with a tale as old as time... it did crack/split down the stem and the plant seems as live and healthy as its always been but ants have been for the last few days I've noticed crawling in and out the...

I was doing LST on one of my young plants and the twist tie cut into the stem a bit. The plant is only 2 and a half weeks old and it’s the wound is really small so it’s hard to get a picture of it. Just wondering how long it will take to heal and if it will effect growth? Thanks.