Оцінка вихідного матеріалу кукурудзи за міцністю бокової стінки стебла

Tne paper presents the characteristic of durability of a lateral wall stem in self-polianted lines of maize depending on the vegetation period duration. Increase in durability of a lateral wall stem from heading to flovering phase is stated. The self-polianted lines with high and low durability of lateral wall stems which have different vegetative periods duration, are represented