Özet:

In this study, the impact of various shadowing applications (plastic greenhouse shadowless (SK), continuous shadowing (SG), fruit-period shadowing (MD) and open (A) cultivation) on growth in the "Sweet Charlie" grape variety was studied by quantitative analyses. The study found that roots, bodies, leaves and total plant dry weights were lower in open and shadowing applications. The body dry weights of plants that grow constantly in the shadow were lower than the plants that shadowed in the fruit production period. The leaves of the shadowed plants were higher than the unshadowed plants. In general, the proportional root (OKA) and the proportional body weight (OGA) increased during the winter period while the proportional leaf weight (OYA) decreased. They are greater than the plants that grow in the greenhouse. OGA is usually the highest in greenhouse control (without shadow). The OYA openly was the lowest while from May 20 it was higher than the other applications. Over the course of the year, OGA and OKA generally decreased. The orange leaf area (YAO) has often been low in the open, constantly high in the shadow during the period of shadow and fruit production. The surface of the own leaf (OYA) was generally lower in the open, higher in the shadowing applications. The height of the leaves (YK) was the largest in the open growing plants, the lowest in the shadowing applications. The net assimilation rate (NAO) has been determined to be high in plants that grow openly and low in plants that are constantly shadowed. The relative growth rate (NBH) was high at the beginning of growth, low in the fruit productivity period. It has been statistically determined that positive and negative correlations are significant among the growth parameters of the plant. The results obtained in this study related to shadowing will be useful in the studies aimed at determining the relationship between growth and efficiency and environmental factors in short-day beans.

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