Comparative Investigation of Rye Type Triticale Varieties, Grown in the Agroecological Conditions of Thrace Valley

Agricultural University, Faculty of Agronomy, BG - 4000 Plovdiv, Bulgaria


KIRCHEV, H., V. DELIBALTOVA, I. YANCHEV and I. ZHELIAZKOV, 2012. Comparative investigation of rye type triticale varieties, grown in the agroecological conditions of Thrace valley. Bulg. J. Agric. Sci., 18: 696-700

A field trial has been carried out in the period 2007-2009 on the experimental field of Crop Sciences Department in Agricultural University - Plovdiv. Seven varieties of rye type triticale – Rakita (Standard), Attila, Accord, Kolorit, Frontera, Alter and Scudo are studied. The following traits has been investigated: Grain yield, (t.ha-1); Plant height, cm; Number of productive tillers; Length of main spike, cm; Number of spikeletts per spike; Weight of grains per spike, g; Test weight, kg; 1000-grain weight, g. Differences in genotypes of triticale, measured by average yield of grain allows them to be displayed in the following ascending order - Alter <Rakita <Frontera <Scudo <Kolorit <Attila <Accord. Variation in the length of spike and the number of spikeletts per spike by years in each of the varieties is very low, from which it can be concluded that this feature is genetically determines and is influenced to a greater extent by genotype, rather than the climatic conditions of the year.

Key words: triticale, varieties, yield, productivity components

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