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On the basis of the analyse of difference in yield in stress and a comfortable conditions with the use of sets of “yield indexes” are given the characteristics of drought resistance and adaptability of maize hybrids of Kharkiv breeding. To the group of the most valuable for two or more years were classified eight hybrids, four of them are classified to this group three times (HAR-323, HAR-316 HAR-326, HAR-335). The hybrid HAR-323 belonged to this group for four years of the five, it is characterized by high levels of productivity both in the comfort and in stressful conditions.