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Study of gene effects of quantitative signs in Oriental tobacco ecotype Dupnitsa
Svetlana Malinova
Abstract: The experiment was conducted at the Tobacco Experiment Station - Rila, at the Institute of Tobacco and Tobacco Products - Markovo. The starting material includes the varieties: Dupnitsa160 (representative of the Dupnitsa ecotype) and the Prilep 7 variety (Ecotype Prilep, Republic of Northern Macedonia). By block method in four iteration are set: P1, P2, F1, F2, BC1 and BC2. An analysis of the obtained data was performed using the parameters A, B, C, in order to prove the additive-dominant model and the parameters m, d, h, i, j, l to determine the relative importance of the individual gene effects in the formation of the sign. As a result of the experiment, it was found that the sign of plant height, number of leaves and length of 14th leaf, are inherited with the participation of single and epistatic gene effects. Sign width of 14th leaf is determined by individual gene effects, the direction being to the parent with wider leaves.
Keywords: individual and epistatic gene effects; oriental tobacco; quantitative signs
Date published: 2019-12-06
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