Terroir 2008 banner
IVES 9 IVES Conference Series 9 International Terroir Conferences 9 Terroir 2008 9 Climate component of terroir 9 The effect of ecological conditions on the germination of pollen, fecundation and yield of some grapevine cultivars in Skopje region, Republic of Macedonia

The effect of ecological conditions on the germination of pollen, fecundation and yield of some grapevine cultivars in Skopje region, Republic of Macedonia

Abstract

The ecological conditions (climatic factors and soil) during the whole year, and especially before flowering and during the time of flowering, have a great influence on the functional ability of pollen, the pollination, the fecundation and the yielding potential of the cultivars of grapevine.
During the period of time 2003-2005, researches have been conducted about the percentage of germination of pollen, the percentage of self-pollination and cross-pollination and the yielding potential of certain cultivars of grapevine in R. Macedonia, more precisely in Skopje area of vineyards.
The following cultivars of grapevines were examined: Vranec, Dattier, Italia and two different varieties of Drenok (Drenok red and Drenok black). They had different resistance to the winter low temperatures and the spring late frosts, which had a certain influence on the fecundation.
The examined cultivars of grapevine are mainly characterized with good germination of pollen and they are with a good degree of fecundation in optimal climatic conditions, excepting the varieties of Drenok (Drenok red and Drenok bleck). The obtained results of the examined elements are of a great importance for further yield and quality of the grape of the examined cultivars.

Download the PDF

DOI:

Publication date: December 8, 2021

Issue: Terroir 2008

Type : Article

Authors

Biljana KORUNOSKA (1), Zvonimir BOŽINOVIĆ (2), Srebra ILIĆ-POPOVA (2), Elizabeta ANGELOVA (2)

(1) Institut of Agriculture, Aleksandar Makedonski bb, 1000 Skopje, Republic of Macedonia,
(2) Faculty for Agricultural Sciences and Food, Aleksandar Makedonski bb, 1000 Skopje, Republic of Macedonia

Contact the author

Keywords

ecological conditions, germination of pollen, pollination, fecundation, yielding potential

Tags

IVES Conference Series | Terroir 2008

Citation

Related articles…

Agronomic and qualitative effects of early leaf removal on cv.

Aim: The regulation of the vegetative-reproductive balance of a vineyard is a critical aspect for the quality of grapes. Early leaf removal, generally applied before the phenological stage of flowering, is mainly used as a technique to control yield and improve grape health, aimed at increasing the quality of the wine.

Read More

Use of mathematical modelling and multivariate statistical process control during alcoholic fermentation of red wine

Cyberphysical systems can be seen in the wine industry in the form of precision oenology. Currently, limitations exist with established infrared chemometric models and first principle mathematical models in that they require a high degree of sample preparation, making it inappropriate for use in-line,

Read More

Fractionation of copper and iron in wine: Assessment of potential macromolecule and sulfur binding agents

Copper and iron are known to substantially impact wine stability through oxidative, reductive or colloidal phenomena. However, the binding of metal ions to different wine components under wine conditions, and the impact of this binding on the ability of the metal ions to induce spoilage processes, is not well understood. This study surveyed a range of red and white wines for an understanding of the variability of broad metal categories within the wines. The techniques utilized included an electrochemical constant current stripping potentiometry technique (ccSP), and solid phase extraction (SPE) fractionation of wine with subsequent analysis of the metal content of each fraction by inductively coupled plasma – optical emission spectroscopy (ICP-OES).

Read More

Polyphenol content examination of Tokaji Aszú wines

We must state that two conditions above are only prevalent in the case when the processed grapes are full or over ripened, besides following the Tokaj wines preparation criterions (grape variety, soil, microclimate, vintage, etc.). These two conditions mentioned before were followed up only sensory based analysis up to now, altough the study of chemical idetified compounds which confirms these are obviuos.

Read More

Les outils pour favoriser le renouvellement des générations en viticulture

French lawmakers have chosen the family-type winegrowing business as the benchmark for drafting the legal framework for winegrowing businesses and winegrowers. In france (source: msa), in 2022, there were 1,444 new winegrowers, an increase of 3% compared with 2021, representing 10% of new farm managers. The retention rate for winegrowers is 75% (up 13% on 2021), compared with 77% for all agricultural sectors (stable).

Read More