| Popis: |
The article provides an analysis of the worldwide prevalence of a harmful disease on a pear – mildew, caused by the basidiomycete fungus Gymnosporangium sabinae (Dicks.) G. Winter, the taxonomy and biology of the pathogen is given. Preliminary data on disease-resistant samples of pears from the collection of RUE “Institute of Fruit-growing” (Belarus) are presented: Allegro, Victoria, Maria, Osoblyva, Smerichka, Souvenir, Shchedra, derived from Pyrgus communis L.; Augustovskaya rosa, Vernaya, Desertnaya Rossoshanskaya, Krasnobokaya, Podgoryanka, DU 20-3, Chuspan – from Pyrgus ussuriensis Maxim.; Chukhuang – from P. ussuriensis × Pyrgus ovoidea; Feeriya species derived from pear-leaved (sandy) Pyrgus pyrifolia (Burm.) Nakai. |
