Alternating Nodes?

[FATBOY]

can anyone point me out some pics of alternating nodes or give me a link to a pic

[monkerz]

http://www.rollitup.org/userpix/26_Alternating_nodes_1.jpg

[Hick]

fatboy/// clickk on the "Resources" page, scroll down to "Sex ED".. I believe theres a pic in there.

[FATBOY]

thanks guys! now is this absolutly nessary?

[Runbyhemp]

No, not absolutley neccessary.

[Hick]

thanks guys! now is this absolutly nessary?
....ONLY id you desire to maximize your plants potential...:)

[Dr. Manny Bowles]

How "alternating" do they have to be?

If one node is starting to rise above the one on the opposite side of the stem is the plant ready to go into 12/12? Or do they need to look more like the picture above, where each one is distinctly separated?