Variability characteristic “multiple florets” in collection samples of winter rye
Keywords:
winter rye, plant breeding, “multiple florets”, multi-flowered varieties, collection varieties, fertilityAbstract
One of the ways to increase the yield of winter rye is to create varieties and lines that can sett three or more full grains into the spikelet. Seven collections varieties have been investigated for separate elements of the crop structure in order to establish the patterns of inheritance the feature “multi florets”. The two-flowered spikelets were confirmed in three varieties - Zatva, Khamarka and Pamiat Khudoierko. Standard grade Siverske, varieties Intensive 95 and Irina showed themselves as three-flowered varieties, an additional third flower binds a full third grain in the spikelet, compared to two-flowered varieties. Levitan is a potentially four-flowered variety, as it is capable of forming in addition to the third and fourth flowers, and is promising in the breedeng of rye. In general, the fertility of additional flowers has a positive effect on the formation of a mass of 1000 grains and weight of grain from the plant. To the total weight of grain in the ear, grain from the third additional flowers gave an increase. The new multi flowered variety Levitan showed higher values of grain weight from the ear - 3.95 -4.29 g, which is more than 0.22 - 0.37 g from the standard Siverske.
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