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A Grafted Walnut Tree

The selected varieties of walnuts do not breed true from the seeds; so it is necessary to graft them, in making commercial orchards, just as in the case of the orchard fruits. Here is a typical grafted specimen, growing in the back yard of Mr. Burbank's home in Santa Rosa.

A Grafted Walnut Tree

This image is from: Luther Burbank: his methods and discoveries and their practical application. Volume 11 Chapter 2