Variability of morphological markers and vegetation period of spring wheat samples of different ecological and geographical origin


Yu.Yu. Chuprina, I.V. Klymenko, L.V. Golovan, I.M. Buzina, Y.M. Belay, V.H. Mikheev, V.V. Nazarenko, S.O. Vynohradenko, D.D. Khainus

The article highlights the results of studying the influence of agrometeorological conditions on the growth and development of spring wheat, the variability of morphological markers of the studied samples. The regularities of the influence of hydrothermal factors of growing conditions on the duration of interphase periods of spring wheat have been clarified. It is established that at the beginning of the vegetation of the studied culture, the rate of onset of development phases is significantly influenced by the amount of precipitation. During the formation of generative organs, the most significant impact on plants is caused by the complex hydrothermal factor HTC (hydrothermal coefficient. The success of using samples of the genus Triticum L. as an adaptive potential of the genetic resources of soft wheat depends to some extent on their environmental factors, which to some extent modify and inherit the varieties created with their participation. All these issues are very relevant and insufficiently researched, and in the conditions of the eastern Forest-Steppe of Ukraine, they have not been studied at all. This question is especially true of amphidiploid specimens. The variability of morphological and economically valuable traits must be considered when developing new models of varieties. The characteristics of spring wheat samples of different ecological and geographical origin are presented Triticum aestivum, Triticum durum, Triticum ?onococcum, Triticum boeoticum, Triticum sinskajae, Triticum timopheevii, Triticum militinae, Triticum dicoccum, Triticum ispahanicum, Triticum persicum, Triticum turgidum, Triticum aethiopicum, Triticum spelta, Triticum compactum, and amphidiploid specimens.

Key words: spring wheat, variability, sample, collection, pubescence, mass, ear, development


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