Stump grafting old citrus: Navel orange scions set fruit in fifth growing season following grafting to stumps old old seedling trees
Ralph G. LaRue, University of California
California Agriculture 7(10):6-6. DOI: 10.3733/ca.v007n10p6.
Ralph G. LaRue is Farm Advisor, San Bernardino County, University of California.
Not available – first paragraph follows:
After four growing seasons, thriving scions grafted into old seedling orange tree stumps demonstrated a way to rehabilitate orchards where the original variety is no longer profitable.