[1] Wroclaw Univ Environm & Life Sci, Dept Crop Prod, Wroclaw, Poland
[2] Poznan Univ Life Sci, Dept Math & Stat Methods, Wojska Polskiego 28, PL-60637 Poznan, Poland
[3] Inst Ecol Ind Areas, Katowice, Poland
[4] Wroclaw Univ Environm & Life Sci, Dept Genet Plant Breeding & Seed Prod, Wroclaw, Poland