The Effect of Scion and Graft Union on Root Growth Potential (RGP) of Two Seedling Cherry Rootstocks, Prunus MahalebL. and P. AviumL. “Mazzard”
DOI:
https://doi.org/10.71318/apom.1987.41.1.8Keywords:
Prunus cerasuscv. Montmorency, rooting, transplantingAbstract
Root growth potential (RGP), measured as capacity to regenerate new roots following transplanting, was evaluated in two seedling cherry rootstocks, Prunus mahalebL. and P. aviumL. “Mazzard” at bud swell following 2 growth cycles. Each of these stocks was treated as follows: unbudded, budded with P. cerasuscv. ‘Montmorency,’ and with itself. Mazzard rootstocks displayed a significantly higher RGP than Mahaleb rootstocks. Presence of ‘Montmorency’ as a scion on Mazzard rootstocks significantly increased new root production compared to unbudded stocks and those budded with Mazzard F12/1. No comparable effect was seen when ‘Montmorency’ was budded on Mahaleb stocks.
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