Starting from semihardwood shoots of peach rootstocks (Prunus cerasifera E.) cv. Mr.S.2/5, plum rootstocks (Prunus cerasifera × P. salicina) × (P. cerasifera × P. persica) cv. Ishtarà and olive tree (Olea europaea L.) cv. Frantoio, cuttings were collected and treated with 0 mgL-1 and 2500 mgL-1 of indolebutyric acid (IBA) by immersion the base of the cuttings. After 60 days of planting, the cultivars Mr.S. 2/5, Ishtarà and Frantoio presented a significative difference with relation to the rooting induction by application of the indolebutyric acid (27.5, 47.5 and 41.25 %, respectively), inducing a higher number of roots per cutting without at the same time significantly increasing the length of the roots themselves. The levels of ascorbate and dehydroascorbate in the rooted and non-rooted cuttings of the three cultivars were determined. These parameters varied in function of the consistency of the cuttings from each species, but showed a positive correlation between the increase of the rooting and the increase of the ascorbate in the reduced form.

Extraction and determination of ascorbate and dehydroascorbate from apoplastic fluid of stem of rooted and non-rooted cuttings in relation to the rhizogenesis.

MORINI, STEFANO;PICCIARELLI, PIERO;
2010-01-01

Abstract

Starting from semihardwood shoots of peach rootstocks (Prunus cerasifera E.) cv. Mr.S.2/5, plum rootstocks (Prunus cerasifera × P. salicina) × (P. cerasifera × P. persica) cv. Ishtarà and olive tree (Olea europaea L.) cv. Frantoio, cuttings were collected and treated with 0 mgL-1 and 2500 mgL-1 of indolebutyric acid (IBA) by immersion the base of the cuttings. After 60 days of planting, the cultivars Mr.S. 2/5, Ishtarà and Frantoio presented a significative difference with relation to the rooting induction by application of the indolebutyric acid (27.5, 47.5 and 41.25 %, respectively), inducing a higher number of roots per cutting without at the same time significantly increasing the length of the roots themselves. The levels of ascorbate and dehydroascorbate in the rooted and non-rooted cuttings of the three cultivars were determined. These parameters varied in function of the consistency of the cuttings from each species, but showed a positive correlation between the increase of the rooting and the increase of the ascorbate in the reduced form.
2010
ZUFFELLATO RIBAS, Kc; Morini, Stefano; Picciarelli, Piero; Mignolli, F.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11568/192512
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