ENVIRONMENTAL TESTING OF POTATO VARIETIES IN EAST KAZAKHSTAN

The results of the environmental study of potato varieties of Kazakh and foreign selection are showed in the article. Studying of 27 numbers on disease resistance and productivity two of numbers 6-02-4 and 15-09-K were allocated. Number 6-02-4 exceeded th e yield standard ? varieties Nevsky 6.5 tons pur ha, the number of 15-09-K 8.8 tons pur ha. The are hand out to the state variety testing. In the study of 15 varieties of Kazakh and foreign selection, the largest increase in yield was revealed (compared wi th the standard): the varieties Aksor and Tamyr (Kazakhstan selection). Additionally it was harvested per hectare: Aksor ? 6 tons Tamyr ? 4 tons. Grades according to the results of environmental and public testing are zoned for East Kazakhstan region.