terclim by ICS banner
IVES 9 IVES Conference Series 9 Evaluation of wood starch content on bench grafting success rate in grapevine

Evaluation of wood starch content on bench grafting success rate in grapevine

Abstract

Since the emergence of phylloxera, grafting has been the most used propagation method in viticulture. Despite all the improvement measures implemented in the nurseries, it is frequent that graft success rates vary depending on the nursery process and scion/rootstock combinations. The reasons behind this unsatisfactory behaviour are still unknown and can be diverse, although carbohydrate reserves might be hypothesised to be crucial, since callus, root, and new tissue formation will be built based on them. In order to identify the effect of carbohydrates on grafting success, nine combinations were established based on the starch content in grapevine scionwoods (cv. Tempranillo clone VN69) and rootstocks cuttings (110 Richter clone 237) used for grafting: Low (L), Medium (M), High (H). To perform this work, more than 90 plants were omega grafted per carbohydrate content combination and, after the callusing period, transferred to the rooting field. In August, nine plants per combination were uprooted and the grafting success rate was recorded as well as the vegetative growth and root system characteristics (number and diameter). Likewise, histological and histochemical characterization (cellulose, starch, callose and lignin) was performed at the graft interface. The implications of carbohydrate content on success rate will be discussed, comparing the grafting success rates obtained with potential symptoms of incompatibility, irregular cell arrangement, slower vascular differentiation, or persistence of the necrotic layer.

DOI:

Publication date: June 13, 2024

Issue: Open GPB 2024

Type: Poster

Authors

Ana Villa-Llop1,2*, Ana Pina3,4, Patricia Irisarri3,4, Melany Jiménez1, Luis Gonzaga Santesteban1

1 Departement of Agronomy, Biotechnology and Food Science, Univ. Pública de Navarra, Pamplona, Navarra, Spain
2 Vitis Navarra Nursery, Larraga, Navarra, Spain
3 Departamento de Ciencia Vegetal, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA), Avenida Montañana 930, 50059, Zaragoza, Spain
4Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), 50013 Zaragoza, Spain

Contact the author*

Keywords

histology, scion-rootstock interaction, starch, success rate, viticulture

Tags

IVES Conference Series | Open GPB | Open GPB 2024

Citation

Related articles…

Application of UV-B radiation in pre- and postharvest as an innovative and sustainable cultural practice to improve grape phenolic composition

Ultraviolet radiation (UVR) is a minor part of the solar spectrum, but it represents an important ecological factor that influences many biological processes related to plant growth and development. In recent years, the application of UVR in agriculture and food production is emerging as a clean and environmentally friendly technology.
In grapevine, many studies have been conducted on the effects of ambient levels of UVR, but there are few considering the effects of UV-B application on grape phenolic composition under commercial growing or postharvest conditions.

Health space in vine spa in the world

This elaboration presents vine spa has precious contribution of social development health and well being in culture of wine regions. The majority of the vine-spas in the world draw raw materials from the vineyard; both for cosmetics treatments and for dishes in their restaurants. Vitis vinifera vine provides fresh grapes for dishes and massages, seeds and oil from the seeds, as well as the leaves, and its extracts, and above all the wine.

Can different green manure fertilizations affect the vine balance and grape quality? First evidence of multi-year study

In the context of sustainable viticulture that implements organic practices to maintain soil fertility, green manuring plays a crucial role due to its ability to stock carbon and nitrogen in soil while supporting biodiversity.

New methods and technologies to describe the environment in terroir studies

The concept of terroir in viticulture deals with the influence of environmental factors on vine behaviour and grape ripening. Recent advances in technology, in particular computer technology, allow a more in-depth study of the environment. Geomorphology can be studied with digital Elevation Models (DEM). Soils can be surveyed with geophysics.

HOW DO ROOTSTOCKS AFFECT CABERNET SAUVIGNON AROMATIC EXPRESSION?

Grape quality potential for wine production is strongly influenced by environmental parameters such as climate and agronomic factors such as rootstock. Several studies underline the effect of rootstock on vegetative growth of the scions [1] and on berry composition [2, 3] with an impact on wine quality. Rootstocks are promising agronomic tools for climate change adaptation and in most grape-growing regions the potential diversity of rootstocks is not fully used and only a few genotypes are planted. Little is known about the effect of rootstock genetic variability on the aromatic composition in wines; thus further investigations are needed.