The purpose of rice breeding is to create varieties that are well adapted, highly productive, and acceptable farmers. However, productivity limited as a result combined biotic stresses (pests/diseases). This study combines assessment by farmers with the evaluation breeders respect promising lines within range environments. aim investigate farmers’ preferences characterize yield lines, their res...

The article highlights the specifcs of formation varietal resources winter wheat in Ukraine. It is shown that creation new varieties a long, laborious and expensive material intellectual process. scheme selection process complex includes at least 12 stages, during which various methods are used. Breeding work to create one variety takes 6–12 years. Analysis structure State Register Plant Variet...