terclim by ICS banner
IVES 9 IVES Conference Series 9 Characterizing graft union formation in different scion/rootstock combinations of grapevine 

Characterizing graft union formation in different scion/rootstock combinations of grapevine 

Abstract

In most viticultural regions, grapevines are cultivated grafted, employing either hybrid or pure species of various American Vitis spp., such as V. berlandieri, V. rupestris, and V. riparia, as grapevine rootstocks. These rootstocks play a crucial role in providing resistance to the Phylloxera insect pest. Beyond Phylloxera resistance, it is desirable for grapevine rootstocks to exhibit resistance to other soil-borne pathogens and adaptability to abiotic stress conditions. The introduction of new rootstocks holds promise for adapting agriculture to climate change without altering the characteristics of the final harvested product. However, achieving high success rates in grafting for new rootstock genotypes is imperative. This study aims to develop quantitative techniques for characterizing graft union formation in different grapevine scion/rootstock combinations. The research focuses on the initial months after grafting, examining factors such as the quantity of callus (both fresh and dry mass) and the mechanical strength of the graft union. Interestingly, the quantity of callus at the graft interface varied among genotypes and did not necessarily correlate with the mechanical strength of the graft union. Challenges in quantitatively phenotyping different stages of graft union formation have impeded the identification of genetic determinants for grafting success across plant species. To address this bottleneck, various quantitative techniques are being developed to elucidate the genetic architecture of graft union formation in grapevine.

Download the abstract

DOI:

Publication date: June 13, 2024

Issue: Open GPB 2024

Type: Poster

Authors

Marilou Camboué1, Jean-Pascal Tandonnet1, Marine Morel1, Elisa Marguerit1, Sarah Jane Cookson1*

1 EGFV, Univ. Bordeaux, Bordeaux Sciences Agro, INRAE, ISVV, F-33882, Villenave d’Ornon, France

Contact the author*

Keywords

scion, rootstock, grafting, callus, mechanical strength

Tags

IVES Conference Series | Open GPB | Open GPB 2024

Citation

Related articles…

Prediction of astringency in red wine using tribology approach to study in-mouth perception

AIM Astringency is described as a ‘dry puckering‐like sensation’ following consumption of tannins1 that affect consumer preference of foods and beverages, including red wine2. To improve the understanding of astringency, which is a complex interaction due to multiple mechanisms occurring simultaneously, further studies are needed. In this view, oral tribology is considered a useful technique for beverage study to evaluate the thin-film lubrication properties of saliva resulting in oral friction‐related sensations3. The aim of this study was to examine the film behavior of selected protein-based fluids under controlled friction conditions, to understand polyphenol-protein interactions involved in the sensation of astringency.

Read More

Metabolomics of Vitis davidii Foëx. grapes from southern China: Flavonoids and volatiles reveal the flavor profiles of five spine grape varieties

The spine grapes (Vitis davidii Foëx.) are wild grape species that grow in southern China, and can be used for table grapes, juicing and winemaking. To systematically investigate the flavor profiles of spine grapes, flavonoids and volatile compounds were detected in five spine grape varieties (Seputao, Ziqiu, Miputao, Tianputao and Baiputao) using HPLC-QqQ-MS/MS and GC-MS. The content of these compounds highly depended on the variety, such as the total concentrations of anthocyanins (91.43-328.85 mg/kg FW) and free norisprenoids (2.60 to 11.46 μg/kg FW).

Read More

Terroir e DOC: riflessi produttivi e commercial

Da dove scaturisce tutto l’interesse attuale per il terroir? Si provi, per dare risposta a questo quesito, ad immaginare il vino avulso dalla sua dimensione territoriale. Cosa si otterrebbe? Un vino bianco, un vino rosso o quant’altro, ma comunque un prodotto privo di conno­tazione geografica, di premesse storiche, di radici tradizionali, di potere evocativo, di iden­tità e di personalità.

Read More

Development of a novel UAV based approach for assessing the severity of spring frost and hail damages in vineyards

A solid feature of climate change is that the frequency and severity of weather extremes are increasing. Ranking European countries for the number of crop failures related to extreme events reports France on top followed by Italy and Spain (COM 2021).

Read More

Adaptation et expression de l’encépagement et mode de conduite en différents terroirs de la région du Douro/vin de Porto

Ce travail a pour objet l’analyse des résultats agronomiques obtenus sur trois unités expérimentales du Centre d’Etudes Vitivinicoles du Douro (CEVDouro), localisées dans des écosystèmes différenciés de la Région du Douro/Vin de Porto, à différentes altitudes (130, 330 et 520 mètres) et à des expositions diversifiées (SE, N et W).

Read More