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INFLUENCE OF DIFFERENT VINEYARD WEED CONTROL METHODS ON AGROBIOLOGICAL, ECONOMICAL AND TECHNOLOGICAL CHARACTERISTICS OF VRANAC VARIETY
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The study of the impact of different methods of weed control on the agrobiological, economical and agrotechnological characteristics of the Vranac variety was carried out in the Podgorica vineyard in 2015. Six different variants of weed control were applied: control, mechanical weed control, glyphosate (one treatment), glyphosate (two treatments), flazasulfuron and flazasulfuron +glyphosate. The yield of grapes during the research period ranged from 2.9 kg/vine in control to 3.9 kg/vine in the variant with combined use of flazasulfuron and glyphosate. The lowest average cluster weight was measured in the control – 169 g, while the highest was measured in the variant with the application of flazasulfuron + glyphosate – 206 g. The lowest sugar content was found in the control variant – 23.8%, and the highest in the variant with mechanical weed control – 25.8%. Varieties with one and two treatments with glyphosate had the most acids in the must – 6.43 gl-1, and the variant with mechanical weed control had the lowest acid content in must – 5.57 gl-1.
Faculty of Agronomy in Čačak, University of Kragujevac
Title: INFLUENCE OF DIFFERENT VINEYARD WEED CONTROL METHODS ON AGROBIOLOGICAL, ECONOMICAL AND TECHNOLOGICAL CHARACTERISTICS OF VRANAC VARIETY
Description:
The study of the impact of different methods of weed control on the agrobiological, economical and agrotechnological characteristics of the Vranac variety was carried out in the Podgorica vineyard in 2015.
Six different variants of weed control were applied: control, mechanical weed control, glyphosate (one treatment), glyphosate (two treatments), flazasulfuron and flazasulfuron +glyphosate.
The yield of grapes during the research period ranged from 2.
9 kg/vine in control to 3.
9 kg/vine in the variant with combined use of flazasulfuron and glyphosate.
The lowest average cluster weight was measured in the control – 169 g, while the highest was measured in the variant with the application of flazasulfuron + glyphosate – 206 g.
The lowest sugar content was found in the control variant – 23.
8%, and the highest in the variant with mechanical weed control – 25.
8%.
Varieties with one and two treatments with glyphosate had the most acids in the must – 6.
43 gl-1, and the variant with mechanical weed control had the lowest acid content in must – 5.
57 gl-1.
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