Investigation on some biological and agronomic characteristics of spelt wheat (Triticum Spelta L.)
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Author: Sofia Teofilova, Hristofor Kirchev
In order to investigate some quantitative and qualitative indicators of spelt wheat (T. spelta L) a field experiment was conducted in the experimental field of the Department of Crop Science in the Agricultural University – Plovdiv. The experiment was carried out over a period of 3 years. Sadovo1 common wheat (T. aestivum L.) was used as a standard to compare the traits. The phenological development of the plants was recorded at the onset of the main phenophase by the Zadoks scale. The inter-phase period (number of days) was calculated. Grain yield (t ha-1) was accounted for indirectly by ј m2. The main structural elements of the plants were determination. It was found that the phenological development stage up to tillering occured at the same time for both wheat types. Following the start of spring vegetation, common wheat (T. aestivum) entered a phase earlier than spelt (T. spelta). The period between tillering and stem elongation was longer when compared to common wheat, but the period of stem elongation-spike emergence and maturity-spike emergence were shorter for spelt. Common wheat is higher-yielding than spelt, which provenly puts both wheat species in different groups. Spelt has high tiller appearance, but has a lower productive tillering than wheat. Spike length of both species is very close. Spelt formed fewer spikelets in a spike, grains in a spike and lighter grain per spike.

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