It is my belief that this Juniper as well as most others will not ramify if it is not PINCHWED back occasionally contrary to what some teachers are suggesting currently. Do I know what I am talking about? According to many modern teachers I know nothing.
I am having a great deal of difficulty working with images since this appearant change in how to download images has been applied. I wish the powers that be would go back to the way it was.
Never-the-less these are examples of pinched foliage.
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Pinching was a common traditional practice for many! There is an excellent description of the horticultural reasons why it is not the most effective practice in Michael Hagedorn's book Bonsai Heresy.
"Pinching" off the growing tips on healthy foliage simply sets the foliage back removing the tiny growing extensions off each branchlet. Rather if one cuts the extension growth that occurs within the foliage bundle it causes further division and additional ramification for the healthy foliage. Cutting the extension growth removes auxin and creates a more refined response in the remaining healthy foliage as well as desirable back budding.
The key is to recognize the four types of foliage on the plant and deal with each type correctly. Remove ( cut back) extension growth, usually on or two per foliage bundle. Remove the weak growth that has very little division in the foliage. Leave the healthy foliage alone and allow juvenile growth to mature if it is in a desired location, otherwise remove the juvenile foliage.
Full disclosure, I used to pinch! Try the new approach for a season or two, you will notice the difference! On the other hand if you are happy with your results than no need to give it a try!
The picture below is just inserted to illustrate what I mean by extension growth! The long growing tips that occur within the foliage bundle, Thses get cut back into the bundle to create ramification. The rest of the healthy foliage remains untouched. Weak foliage such as hanging down is removed! Further ramification occurs as the branchlets are wired out and the pad shape begins with healthy foliage and additional back budding. This picture was the beginning of June 2020 will upload a progress picture in the next day or so as time allows.
Hope the comments make sense!