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Tomatoes (Lycopersicon esculentum Mill.) are native to Central and South America. The comparative experiments with the two tomato varieties took place in the period 2022-2023 and were organized in a 160 m2 plastic tunnel from the Lovrin Research and Development Station, Timiș County, Romania. The experimental variants were placed according to the model of bifactorial experiments with subdivided plots, in 3 repetitions, namely: factor A (genetic factor – variety) with two gradations: a1 – 'Elisabeta' and a2 – 'Ruxandra', respectively factor B (technological factor) with two gradations: b1 – unmulched and b2 – mulched. To evaluate the production capacity, observations were made at the time of harvesting in terms of the number of fruits in each inflorescence and fruit weight, using current work techniques and precision equipment. The combined influence of genetic and technological factors highlights a distinctly significant difference in the average production per plant in the case of the tomato variety 'Ruxandra' grown on soil mulched with polyethylene film in the plastic tunnel. Soil mulching, as an experimental technological factor, causes a 20-25% increase in production, compared to the control variant.
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