Sunset sherb x sunset sherb auto

This is 3rd time growing autos growing all together and i started this grow with 1 mosca seed of sunset sherb and 1 wedding cake by barneys farm both started same time and the sunset sherb by mosca germinated and sprouted to a seedling in about 3 days thats the fastest ive seen yet and this my 3rd grow bt my 5 flower idk if its the great white and the canna root enchancher bt the sunset sherb took off while the wedding cake didnt finish germinating idk what the deal is with it i ended up using a knife after 5 days of nuthing and let it germinate in a papertowel for 24 hours sprinkled a lil great white mycro on it and next day i put it in sum soil going to give it a few days and see what happens again any tips let me know thanks