Articles
The impact of soil maintenance systems and disease and pest control systems on the production capacity of vine ecosystems
Article number
1418_18
Pages
143 – 150
Language
English
Abstract
The purpose of the research carried out in the Valea Călugărească wine center was to establish the influence of technological steps on the wine ecosystem functionality, within a vineyard with ‘Chardonnay’ and ‘Sauvignon Blanc’ cultivars, in the period 2020-2022. The experimental process was developed based on two factors: the soil maintenance system (black field, partial mulching at intervals with straw and permanent herbage with grasses from the spontaneous flora) and the system for combating vine diseases and pests (chemical, biological and integrated). In the case of grapevine downy mildew (Plasmopara viticola) and powdery mildew (Uncinula necator), the highest effectiveness was recorded, generally, after applying the combined treatment system, with fluctuations in the degree of attack between 1.99 and 3.25%, while in the case of gray mold attack (Botrytis cinerea) the highest effectiveness was observed in case of combined and chemical control.
The biological treatment was not effective, exceeding the economic damage threshold of 5%. Regarding the soil maintenance systems, the permanent herbage with grasses from the spontaneous flora system recorded an attack degree of 3.85% for grapevine downy mildew and 4.30% for powdery mildew.
The systems for combating vine diseases and pests had a smaller impact on grape production, the registered differences being between 3.6 and 7.5%. The analysis of the production variations determined by soil maintenance systems indicates that, compared to the black field, the other two soil maintenance systems induced positive production differences ranging between +0.279 kg vine-1 in case of permanent herbage with grasses from the spontaneous flora and +1.035 kg vine-1 when mulching with straw was applied.
The biological treatment was not effective, exceeding the economic damage threshold of 5%. Regarding the soil maintenance systems, the permanent herbage with grasses from the spontaneous flora system recorded an attack degree of 3.85% for grapevine downy mildew and 4.30% for powdery mildew.
The systems for combating vine diseases and pests had a smaller impact on grape production, the registered differences being between 3.6 and 7.5%. The analysis of the production variations determined by soil maintenance systems indicates that, compared to the black field, the other two soil maintenance systems induced positive production differences ranging between +0.279 kg vine-1 in case of permanent herbage with grasses from the spontaneous flora and +1.035 kg vine-1 when mulching with straw was applied.
Publication
Authors
P.S. Barbu, L. Pîrcălabu, I. Balanescu
Keywords
black field, permanent herbage, mulching with straw, soluble sugar, total acidity
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