Looks like white hairs browning, perfectly natural, she will lose almost all hairs when buds get fatter, nothing to worry about!
Keep on the great care!
Happy smokes!
Though the buds aren't very clear in the pic. All I see Is some trichomes starting to form on those budsites and surrounding leaves. They are also quite small to get botrytis (budrot) not that it cant happen but that type of fungus generally attacks thicker denser budsites that trap excess moisture inside. The thick denser buds get less airflow through them... making a great stomping grounds for fungus strikes.