Agrarian
Bulletin
of the Urals

Russian Journal of Agricultural Research

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ISSN 1997 - 4868 (Print)

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ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 10 (140) 2015

Агрономия

Гуреева А. В. кандидат сельскохозяйственных наук Всероссийский научно-исследовательский институт зерновых культур им. И. Г. Калиненко

Марченко Д. М. кандидат сельскохозяйственных наук, заведующий отделом Всероссийский научно-исследовательский институт зерновых культур имени И. Г. Калиненко

Рыбась И. А. аспирант, младший научный сотрудник Всероссийский научно-исследовательский институт зерновых культур Россельхозакадемии

Романюкина И. В. старший научный сотрудник Всероссийский научно-исследовательский институт зерновых культур

Гричаникова Т. А. ведущий научный сотрудник Всероссийский научно-исследовательский институт зерновых культур

УДК:633.11:631.52

DESCRIPTION OF ADAPTIVE PROPERTIES OF VARIETIES AND LINES OF SOFT WINTER WHEAT SOWN AFTER PREDECESSOR CORN

Adaptability of 16 varieties and 7 lines of winter wheat sown after grain forage predecessor corn using different methods of the assessment of parameters of ecological plasticity and stability is studies. The factor “year” had the greatest effect (87 %) on the yield formation during the study. The factor “genotype” and the combination of the factors “year × genotype” influenced on 5 %, what could help to assess the parameters of ecologic plasticity. It has been determined that change of growing conditions and peculiarities of the varieties had a great effect on the yields of soft winter wheat (the line 430/07 produced 43.2 c/ha and the line 771/09 produced 81.7 c/ha). The varieties Ermak (bi = 1.15), Donskoy prostor (bi = 1.01), Lilit (bi = 1.13), Krasa Dona (bi = 1.18) and the lines 260/09 (bi = 1.17), 771/09 (bi = 1.15) showed the greatest plasticity. According to the method of S. A. Eberhart, W. A. Rassell, the stable varieties was Stanichnaya (σd2 = 0.00), Kapitan (σd2 = 0.09) and Lilit (σd2 = 0.01) – ecologically stable one. The varieties Ermak (Yi = 108 %), Lilit (Yi = 104 %), Krasa Dona (Yi = 105 %) and the line 771/09 (Yi = 105 %) possess a high adaptability (Yj) and productivity. A correlation analysis between productivity and parameters of adaptability is made to determine reliability of adaptive traits of soft winter wheat varieties. The productivity of the varieties is closely connected with stability according to Martynov (r = 0.96) and adaptability according to Zhivotkov (r = 0.99), but the correlation with a coefficient of regression is average (r = 0.45). The difference between maximum and minimum productivity had a close positive correlation with a coefficient of regression (r = 0.99), but a slight connection with a stability according to Martynov (r = 0.21) and S. A. Eberhart, W. A. Russell (r = 0.18).


Keywords:

winter wheat, productivity, predecessor, plasticity, adaptability, stability, homeostasis.


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