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Effect of seed tuber size on yield structure in potatoes
CHUCHEL, Jan
The thesis examined the effect of seed tuber size on the structure of the potato yield. In the one year trial ( 2011) four varieties were applied (Velox, Marabel, Adela, Laura) have been grown in the conventional system. The size of seed tubers were divided into three size fractions: A < 35 mm, B 35 to 60 mm and C > 60 mm. Number of plants per area and number of stems per plant were observed during the vegetation period. The number of tubers per stem and average weight per tuber were determined after harvest. Furthermore was also found total and market yield of tubers. The size of seed tubers most significantly influenced the number of stems per plant (of 93.9%) and the number of tubers per stem (of 80.5%). The resulting parameter values were highly influenced by the course of weather in 2011.

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