Original scientific paper

Soil properties and vineyard site, precondition for chlorosis on calcareous soils of Pleševica wine region

David Gluhić ; Institut za poljoprivredu i turizam
Mirjana Herak-Ćustić ; Zavod za Ishranu bilja, Agronomski Fakultet
Marko Petek ; Zavod za Ishranu bilja, Agronomski Fakultet

Abstract

The vine growing has a long time tradition in the area of Pleševica hill (south west of Croatian capital, Zagreb). One of the most widespread varieties is the Sauvignon white, which gives high quality grapes for premium wines on exceptional location. However, Pleševica hill mostly has young soils with high content of calcium carbonate and poor physical properties – structure less soils aggregate, low area capacity and silt loam to silt clay texture. All these negative characteristics have a strong influence on chlorosis and vine plant necroses occurrence. The main aim of this research is determining factors of chlorosis and vine plant necroses.
The researches were done during 2006 on four selected vineyard locations; Šipkovica, Veselnica, Klemenka and Borička. The analysis of chemical parameters was made from each vineyard location, from two-soil areas – from normal and chlorotic vines. The obtained analysis’ results underwent statistical analysis.
Based on statistical analysis there was not confirmed any significant influence of the total and active lime to vine leaf chlorosis. The range of total lime in soil, as a percentage of CaCO3, from non-chlorotic area were from 17.04- 46.64%, whereas in the chlorotic area the range was from 21.2- 47.38%. The similar dynamics was noted for soil active lime; non-chlorotic area from 14.75- 34.50%, chlorotic area from 16.25- 33.75%. The recent research claims that there is a positive influence of abundant potassium fertilization on vine leaf chlorosis, but it was not confirmed in our research. On Veselnica location, where the soil potassium content was in the range of 38.0- 80.0 mg K2O/100 g of the soil, the leaf chlorosis was widespread. By multifactorial analysis of the main soil parameters; the total lime (CaCO3), active lime (CaO), phosphorus (P2O5) and potassium (K2O), there wasn’t confirmed any significant interaction between the two factorslocation and chlorosis occurrence.
The obtained results from this research imply the need for additional multidisciplinary research and its first step was this study.

Keywords

grapevine; chlorosis; sort

Hrčak ID:

163414

URI

https://hrcak.srce.hr/163414

Publication date:

16.12.2009.

Article data in other languages: croatian

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