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Abstract
In this study, the seasonal differences on rooting and sprouting of GF677 (peach × almond hybrid) (Prunus persica × Prunus aygdalus) root cuttings were investigated. The results showed significant seasonal differences in the rooting and sprouting of GF677 root cuttings with the highest rooting percentages in January‐February, July‐August, and October‐November. There were two major peaks of sprouting during the year, in January and November, with a smaller peak in August. There was no correlation between mineral elements, carbohydrates, natural auxin, and abscisic acid with the rooting or sprouting of cuttings. There was also no significant difference between different levels of benzylaminopurine (BAP) on the sprouting of root cuttings. Shorter root cuttings (10 and 15 cm) produced significantly fewer sprouts than 20 or 25 cm cuttings. It was concluded that the best periods to propagate this rootstock using root cuttings were during January‐February and October‐November. The possible role of BAP on the rooting and sprouting of GF677 root cuttings requires further investigation.