stinky split vines and yellow-blotchy leaves

Well, I don't see my question appearing on the list, so here goes; I'll try
again.  Yesterday I found a yellow vine which had split and the inside was a
bright orange color, and it smelled nasty.  Several of my plants have leaves
which are yellow-blotchy starting at the outside edges, and some of their
vines appear kind of yellow, too.  I amputated the split portion of the vine
back to clean with no yellow, then sprayed with strong bleach solution.

1.  Are yellow vines normal?
2.  Was the amputation right and necessary?
3.  Is it possible the yellow blotchy leaves are related to the yellow stinky
vine?

I've not seen any more cucumber beetles or squash bugs since I got a good dose
of systemic insecticide in them.  Well, one or two, but they're always dying,
not having a good time!

Also, could these problems be caused by too much rain or too little moisture
in the ground?  We may have compacted the ground when it was so mucky wet a
couple of weeks ago.

Thanks for any help

cheers,
duchess of gladstone

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