Authors
Ewa Waś
Research Institute of Horticulture, Apiculture Division, Kazimierska 2, 24-100, Puławy, Poland
Teresa Szczęsna
Research Institute of Horticulture, Apiculture Division, Kazimierska 2, 24-100, Puławy, Poland
Helena Rybak-Chmielewska
Research Institute of Horticulture, Apiculture Division, Kazimierska 2, 24-100, Puławy, Poland
Dariusz Teper
Research Institute of Horticulture, Apiculture Division, Kazimierska 2, 24-100, Puławy, Poland
Katarzyna Jaśkiewicz
Research Institute of Horticulture, Apiculture Division, Kazimierska 2, 24-100, Puławy, Poland