Acta Univ. Agric. Silvic. Mendelianae Brun. 2013, 61(1), 17-23 | DOI: 10.11118/actaun201361010017

The evaluation of vine leaves development dynamic

Patrik Burg1, Tomáš Vítěz2, Michal Michálek1
1 Department of Horticulturae Machinery, Mendel University in Brno, Valtická 337, 691 44 Lednice, Czech Republic
2 Department of Agriculture, Food and Environmental Engineering, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic

This experiment was focused on evaluation of grape vine leaves surface area development of the six varieties on experimental sites in Velke Bilovice and Lednice, in the viticultural conditions of the South Moravia. The dynamic of leaves surface area development was mesured by using device LAM CI-202 (Leaf Area Meter, the device operating on the principle of the scanner and the resulting values are expressed through the leaf area index (LAI). The measurements were carried out in four dates (May, June, July, August) during phenological growth stages of growth, flowering, initial development of fruits (Berries pea-sized, berries beginning to touch). Obtained results show, that the greatest increase of the leaves surface area on annual shoots is during phenological growth stages of flowering and during initial development of fruits.To the development of the leaves surface area of the leaves on lateral shoots then occurs after tipping of the top parts of the annual shoots, the main axes of herbaceous shoot are interrupted. During the phenological growth stage of the development of fruits was measured at both sites the largest leaves surface area on the varieties St. Laurent in the variety, Lemberger, Cabernet Moravia and ranged from 2.74 to 4.24 m2 per plant.

Keywords: viticulture, grape vine, leaf surface area, grape varieties
Grants and funding:

The results presented in this paper were obtained within work on the NAAR Project (The National Agency for Agriculture Research Project) No. QI 111B107 "Research on the and use of biologically active substances (BAL) of grape seed to improve livestock metabolism as a basis for designing the best available techniques (BAT)", under the guidance of the Ministry of Agriculture of Czech Republic.

Received: January 2, 2013; Published: April 8, 2013  Show citation

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Burg, P., Vítěz, T., & Michálek, M. (2013). The evaluation of vine leaves development dynamic. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis61(1), 17-23. doi: 10.11118/actaun201361010017
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