Competitiveness of modern potato varieties in the food market of Chelyabinsk region
In the agricultural enterprises of Chelyabinsk region, the following 4 types of potatoes are usually cultivated: Nevsky (its share in the structure of varietal crops is 52.6 %), Rozara (27.0 %), Romano (4.6 %) and Tarasov (2.8 %). During the period of studying (2014-2017) the potato collection of the South Ural Research Institute of Horticulture and Potato Cultivation, the yield of the three most common varieties in the region were low: Nevsky - 20.7 t/ha, Rozara - 21.6 t/ha, Romano - 18.1 t/ha. According to this 21 zoned varieties (out of 32 ones that were studied) can be identified, with the early ones being: Kamensky (32.8 t/ha), Bashkirsky (31.8 t/ha), Lubava (29.8 t/ha), Bellarosa (28.8 t/ha), Zhukovsky early (28.3 t/ha), Sudarynya (26.9 t/ha) and Udacha (26.0 t/ha); the middle-early ones being: Irbitsky (38.1 t/ha), Korona (37.1 t/ha), Svitanok kievsky (33.0 t/ha), Sante (32.4 t/ha), September (28.6 t/ha) and Oredezhsky (27.4 t/ha); the medium-ripening ones being: Lugovskoy (34.6 t/ha), Spiridon (32.7 t/ha), Aspia (28.2 t/ha), Nayada (27.7 t/ha), Sapho (27.2 t/ha) and Tarasov (25.7 t/ha), as well as 2 medium-late ones being: Nikulinsky (28.8 t/ha) and Lorkh (25.9 t/ha). The following regionalized varieties had high yields in Chelyabinsk region, the early ones being: Courtney, Krepysh (Russia), Breeze, Zorochka, Uladar (Belarus); the middle-early ones being: Belosnezhka, Bryansk Delikates, Zhigulevsky, Ilyinsky, Kolobok, Otrada (Russia); the medium-ripening ones being: Lazar, Matyshka, Reggie, Resurs (Russia), Manifest (Belarus), Slavyanka (Ukraine); the medium-late ones being: Zhuravinka (Belarus). The following varieties promising to be included in the Register of selection achievements for the Ural region are: Itsil, Ruchey and Kavaler (the South Ural Research Institute of Horticulture and Potato Cultivation), Dunyasha (Siberian Research Institute of Agriculture), Akzhar, Alaya Zarya, Artem, Valery, Terra-1, Tustep, Udovitsky, Yagodny 19 (Kostanay Research Institute of Agriculture, Kazakhstan)