Queensland agricultural journal Volume 5, Government Printer, Australia, 1899, pages 429–: “Orchard Notes for October ... Attend to the disbudding of all young trees, for, if superfluous growths are checked now, they are converted into fruit-wood, and the vigour of the tree is thrown into those shoots which are to form the future branches of the tree...”
Source: wiktionary
Herbert John Webber; Leon Dexter Batchelor (1965), The Citrus Industry, University of California Press, GGKEY:NJ9T7DK5XJL, pages 16–: “On the much-debated question whether to use only the so-called "fruit-wood" twigs in propagation, or whether "sucker" wood can also be used satisfactorily, the evidence is fragmentary, and at present definite conclusions cannot be stated.”
Source: wiktionary