Insights into chestnut (Castanea spp.) graft incompatibility through the monitoring of chemical and physiological parameters.

Giovanni Gamba, Dario Donno, Burak Akyüz, Beatriz Cuenca Valera, Gabriele Loris Beccaro

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Article in Planta, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 authors.

Giovanni GambaDiSAFA, Dipartimento Di Scienze Agrarie, Forestali E Alimentari, Università Di Torino, 10095, Grugliasco TO, Italy. giovanni.gamba@unito.it.ORCID http://orcid.org/0000-0001-9621-2718

Dario DonnoDiSAFA, Dipartimento Di Scienze Agrarie, Forestali E Alimentari, Università Di Torino, 10095, Grugliasco TO, Italy.

Burak AkyüzFaculty of Agriculture, Department of Horticulture, Ondokuz Mayıs University, 55139, Samsun, Türkiye.

Beatriz Cuenca ValeraEmpresa de Transformación Agraria S.A., S.M.E., M.P. (TRAGSA), 32700, Maceda, OU, Spain.

Gabriele Loris BeccaroDiSAFA, Dipartimento Di Scienze Agrarie, Forestali E Alimentari, Università Di Torino, 10095, Grugliasco TO, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

MAIN

conclusionIncompatible chestnut grafts exhibited a notably reduced stomatal conductance, mirroring the trend observed for leaf chlorophyll content. Woody tissues at the graft interface of these combinations showed a significantly higher total phenolic content, especially in the internal layers. In recent years, significant efforts have been made to study the mechanisms of graft incompatibility in horticultural species, though research on minor species like chestnut remains limited. This study investigated the physiological and chemical dynamics in various chestnut grafts, aiming to develop a method for the early detection of graft incompatibility. The total phenolic content (TPC) and specific phenolic markers were analyzed at two phenological stages, callusing (CAL) and end of the vegetative cycle (EVC), using spectrophotometric and chromatographic techniques. These analyses were performed on three sections comprising the graft. Stomatal conductance (G

Indexed as

FagaceaeChlorophyllPhenolsPlant LeavesPlant StomataChlorophyllPhenolsChlorophyll contentClonal rootstocksGreen extractionPhenolic compoundsPredictive markersSPADStomatal conductanceTannins

Identifiers

PMID39953318

DOI10.1007/s00425-025-04639-8

PMCPMC11828799

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