Question
I have two limbs from a pear tree on our old home place.  This tree is at least 60 years old.  My intention is to graft these onto a Keifer pear.  Question: 1. do you think this graft will take, 2.  when is the best time to make the graft?

Answer
HI MIke,
Thanx for your question. I am not a grafting expert.  My expertise lies in seeding and limited experience rooting cuttings.  Here is a link to the University of North Dakoata that I think you will find helpful.

http://www.ext.nodak.edu/county/cass/horticulture/fruit/graft.htm

I hope this helps.
Tom