Abstract
The paper presents a comparative evaluation of economically important traits of potato variety collection. Selected genotypes were included in directed crossbreeding. New hybrid combinations with the most significant parameters were created for potato breeding. The research was carried out in a breeding field plot of Federal Scientific Center of Agricultural Biotechnology of the Far East named after A. K. Chaika, Putsilovka, Ussuriysk district, Primorsky krai. The research was based on the methodology developed by Federal Potato Research Center named after A. G. Lorkh and the All-Russian Institute of Plant Genetic Resources named after N. I. Vavilov. The biochemical analysis of tubers (the content of dry matter and starch) was performed by the method of the specific weight using a digital scale PW-2050 (UK). The content of protein, vitamin C, and reduced sugars was determined by the Laboratory of Agrochemical Analysis. In a collection nursery 368 potato varieties of Russian and foreign breeding were studied. The conducted research allowed the selection of genotypes with high productivity indicators, biochemical parameters, taste qualities and processing profitable. Such genotypes included varieties Ariel, Varyag, Zhemchuzhina Kamchatki, Kumach, Merlot, Nikulinskii, Tretyakovka and hybrids 4634-34 Krepysh × Bora Valley, 14-11-8, 17K10-2, and 55-10-38. The selected genotypes were used to obtain hybrid combinations characterized by correct tuber shape and resistance to diseases: Ocharovanie × Reggi, Charoit × Darnitsa, Charoit × Manifest, Barin × Reggi, Ocharovanie × Lyuks, Koroleva Anna × Kazachok, Avrora × Darnitsa, and Irbitskii × Kazachok.
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