VARIABILITY, CORRELATION AND FACTORS OF FORMATION OF MORPHOLOGICAL PARAMETERS OF DILL SEEDS
2018
A. F. Bukharov | D. A. Baleev | M. I. Ivanova | A. R. Buharova
The study was performed to discover the effect of the loca-tion of umbel in ‘Centaur’ variety (Anethum graveolens L.) on the linear parameters of the seed. The seeds were sown on the experimental field of the FGBNU VNIIO in 2015-2016 and grown for seed production. 30 plants were selected in three-fold repetition for each variant at random, and umbels were cut in accordance with the experimental design. Then, the length of the seed, embryo and endosperm from umbels, located on the stalks of first, second orders of branching and controls were measured. It was found that the mean lengths of the elements of the seed (3.85 3.43 mm), endosperm (3.37 2.99 mm) and embryo (1.00 0.77 mm) of dill varied considerably and depended on architectonics of a seed plant and environment. The length of the endosperm averaged 88-89% of the length of the seed. The length of the embryo in the inflorescences of the first order was 26% of the length of the seed and 30% of the length of the endosperm, and in umbels of the second order was 5 and 6% lower. The length of the seed and endosperm was mainly influenced by growing conditions (77% and 81%, respectively), and the length of the embryo the maternal factor (92%). Correlation analysis showed that the influence of the length of the seed on the length of the endosperm had a high positive dependence (r = 0.961-0.978). Between the length of the embryo and the length of the seed; Also the length of the embryo and the length of the endosperm, a weak linkage was observed (r = 0.050-0.314 and 0.066-0.325 respectively).
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