There are ways to produce more females, or ways to give you better percentages of females. I have read it in a book. Lots of it depends on the enviroment u have it in and stressing the plant. If you want to know more I can tell you or if you already know, that is cool.
But, when plants are in veg state, High Humity makes more females, low temps makes more females. Letting the tap root grow to six inches supposed to make ratio of 80% females.
It looks like you did not let the soap dry and the light from the HPS turned the drops of soap in to a magnifying glass and burned the leaves.