Do those plants look infected with HLVd?

[This1guy]

Its hard to tell from the pics, but does stalk look like this at all?

Any idea what might be going on with my stalk?

Any idea what this might be? First, this is an indoor soil grow. From what I can gather, its most likely pythium or possibly fusarium. Seems to be only affecting the stalk right now, but it might be creeping to the branches. Not sure if its creeping up, or some other prob with the branches, which are turning striped purple and a little woody. I had four, but culled one, because it semed to be much worse. Now I have three, two look about the same, and one doesnt look near as bad. So far, Ive…