Molecular labeling of &lt;i&gt;Vrn&lt;/i&gt;, &lt;i&gt;Ppd&lt;/i&gt; genes and vernalization response of the ultra-early lines of spring bread wheat &lt;i&gt;Triticum aestivum&lt;/i&gt; L.
Biotehnologiâ i selekciâ rastenij