Анотація:
Morphogenesis peculiarities of seedlings of Hemerocallis hybrid ′Date of Book′ in F1 on the nitrosoethylcarbamid (NEC) mutagen impact were studied. Four perspective seedlings for selection were singled out as a control. Three perspective seedlings were singled out under 0,1% NEC impact with 3 h exposition in the first trial variant and one seedling – under 0,05% NEC effect with 3 h exposition in the second one. The most amplitude of change of phenotypic characters was indicated in the first trial variant.