Plant Health and Main Stem Problem

I am growing 1 sugar blossom (Joey Seeds, white widow strain) under a 400 watt HPS, regular potting soil, and it is my third grow (I've never made it to harvest). During its month of vegetative growth, the bottom leaves (not just seed leaves) always turned yellow and died off eventually, once I started adding nutes (20-10-10 with trace minerals) it stopped doing this. At 3 days into flowering I transplanted it, there was a day or two of stunted growth, and when it started to grow the top fan leaf fingers seemed to fold in half and not grow very big, and to make it worse the bottom leaves started turning yellow and dieing off again, I'm am using flowering nutes right now, 10-15-10, and the PH of the soil stays around 6.0. Its now been 2 weeks of flowering, the top colas are developing nicely, but the top leaf fingers are still folded and small, the bottom leaves are yellowing, the lowest are preddy much brown and dead. So today i decided to cut off all the yellowing bottom leaves, around 1/3 of the plants material. As i was cutting some of the lowest leaves, I accidentally put the blades around the main stem and squeezed, realizing it was the main stem I didn't cut it off, but there are now two small indentations on each side of the lower main stem. Will the plant survive this? If so what should be done about the top leaves?

lmao no one answered you

it should survive but the yellowing that early sounds like your main problem. Sounds like you are keeping it in too small of pots or something. and you should really try not to repot in flower. im all about potting up but to do it in flower is too late. Once you have started flowering your root growth will be slim to nill. You need to put her in the final pot, give her some superthrive and wait a week or two, then flower. Bigger roots give bigger fruits

Sounds like they're hungry. When they can't get macronutes, particularly nitrogen from the soil they will cannibalize lower leaves. The question is, are they not getting enough feed or are they getting too much causing a lockout condition.
From you're description I think you have serious lockout due to using a very potent fertilizer. What is that shit? Miracle Grow? I've never seen numbers that high. Does the soil also come with nutes in it? Sounds like a recipe for rapid death.
The first step in any suspected deficiency is to flush thoroughly. Then raise the lights a little and wait till they dry out a bit and slowly start to add back nutes a little at a time. A strong as your formulas are, I would never feed above 50% recommended strength.
You also need to raise your Ph a little. In real soil an ideal Ph is closer to 6.5.
As gotigers pointed out, final transplant should be about two weeks before the flip. Also, don't top past this date either. They need some time to recover before the stress of flowering begins.
Fred

you know this post is over 3 years old?

Even still but i would agree with fred on the solution