Vol. 72 No: 5

Title:
Propagation of Chestnut Cultivars by Grafting: Methods, Rootstocks and Plant Quality

Authors:
S. PEREIRA-LORENZO and J. FERNANDEZ-LOPEZ

pp: 731-740

Abstract:
Propagation of chestnut has been studied to improve grafting success, but there are few results on the resistance of interspecific hybrid clones to ink disease of cultivars of Castanea sativa. This is an interesting combination in Europe for nut or nut and timber production. Five methods of grafting, nine Spanish hybrid rootstocks and the French CA15 Marigoule, different dates of grafting, height growth of grafted plants and short diameter up to four years, and compatibility between scion and rootstocks were studied. For five Spanish rootstocks, the results in the eighth and tenth year are presented. The best graft method was patch budding, although no significant differences were found between grafting methods since poor results were sometimes obtained with all methods. Grafting is most successful at the end of August and the beginning of September. We found low graft success in Spanish hybrid CHR-137. Severe incompatibility was shown early in the third year of growth with CA15 hybrid rootstock (C. crenata × C. sativa) and Spanish cultivars (C. sativa). Plant quality was very good two years after grafting, at 149 cm height for cleft graft and 156 cm for patch bud.

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