THE NEW HIGH-PRODUCTIVE POTATO VARIETY "ZAKHAR" TO BE GROWN UNDER IRRIGATED CONDITIONS OF THE STEPPE ZONE OF ORENBURG PREDURALYE
The new potato variety “Zakhar”, possessing high marketable and table qualities, resistant to the most dangerous pathogens, adaptive to the irrigated conditions of the steppe zone of Orenburg Predralye, is presented. A complete botanical description of the plant is given, the degree of its resistance to the main diseases, such as: late blight, alternaria blight of seedlings, scab, cancer, and rhizoctonia red rot has been determined. The results of ecological testing of the Zakhar variety have been analyzed: high and stable yields (838-1152 g/bush), agroecological plasticity, high tuber marketability (93.8%). It is established that the maximum yield of Zakhar variety is 47.8 t/ha, which is higher than that of the standard Spiridon variety at 9.3 t/ha. The new potato variety has a higher content of dry substances (22.9%) and starch (14.1-16.8%), as well as good taste (5 points) qualities.