Zucchini Problem I Created - Help!

My SoCal garden is doing well and I am happy with it.  Zucchini started coming and I cut it at 5-6" because I understand it is prolific and I don't want 5-pound zucchinis that the neighbors won't want.  So, yesterday I cut a few for my friend and when I got back home half the giant zucchini leaves and stems (tubes?) had done a complete swoon which appeared fatal. Even though no other plants looked parched I first thought or hoped it just needed water and so water I did.  This morning, upon closed inspection, I see that I cut the last zucchini too close to the main stem.  No, I actually cut the main stem, nearly severing it and apparently killing all everything beyond the growth point.  I have not removed it yet and I want to know if there is any way to save this lovely plant.  I don't know if it will create a new growth point like a tomato plant or is it over when it's just begun?  Help please...(I feel like a killer!)

If you can, cover the stem near the cut with some good MM containing lots of new compost. If you are not using MM cover with rich, well amended soil. Keep.moist. it may survive.

Thank you for that kind response.  However, I visited it again after I posted the problem and it has detached completely now.  I took some photos and I am trying to post them here.  However, I can't even harvest a zucchini correctly so how can I figure out how to post photos on here? 

Agree.  Cover the wound.  Is it a surgical cut?  I have successfully “taped” trunks of plants that I have cut accidentally.  Using, yes, duct tape.  But if it’s rough, try to minimize the gap (use anything to prop, etc.) and cover, keep watered.  Don’t water the leaves, just the base so you don’t get mildew issues...

Keep us posted?  

You live in Southern California, so you could still transplant another squash plant because we have such a long season, maybe right next to it.

A Master gardener in Los Angeles found in this link:
www.gardeninginla.net
suggests under her August Monthly Tips,

"Last sowings of summer-maturing crops can also be made now--bush beans, cucumbers, oakleaf lettuce, white seed potatoes, New Zealand spinach, and squash."

Good luck and welcome to this forum.