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Fruit Varieties and Horticultural Digest
(J Fruit Var & Hort Digest)

American Pomological Society

Volume 25 Number 2 Article 4 Pages: 33-37
Year 1971 Month 4
Title: Scion/Rootstock Tissue Development of the Apple as a Result of Asexual Propagation and Mechanical Injuries
Authors: R.K. Simons and R.F. Carlson
Citation
Abstract:
Tissue response, as a result of wounding in the graft union, affects the vigor of young trees. A poor graft union usually results from one or more of the following factors: (1) scion; rootstock incompatability; (2) climatic conditions in the nursery (such as drought or temperature stress) detrimental to the susceptible, developing parenchyma cells in the graft union; (3) poor propagating technique in the nursery; (4) improper handling of the young trees before planting; and adverse climatic regimes or exposure to poor nutrition immediately after planting.

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