ASSESSMENT OF QUALITY FOR SEEDS OF MAIZE HYBRIDS RECURRENT
The results of research applying soil-control method for matromorphicforms of maize hybrids according to typicalness and sterility in winter sowing in Argentina 2008 and in summer sowings in Krasnodar 2004 - 2008 are adduced. The data have demonstrated high quality of the seed material grown in the Institute. The registered slight fluctuations of indicators in different years are affected either by early unnoticed mechanical obstruction, or by performance of complementary modifier genes in a certain environment.