Abstract
In these studies, the physical and physiological seed properties and seedling's vigour properties in five ZP maize hybrids (ZP1, ZP2, ZP3, ZP4 and ZP5) were investigated. Hybrid seed was divided into small (SF) and large fractions (LF) The hybrid combination and seed size did not significantly (p ≥ 0.05) affect seed germination. Width, thickness, length, seed weight, dead seeds, abnormal seedling, stem and root growth and fresh seedling weight were significantly influenced by hybrid and seed fraction LF produced higher stems by 1.18 cm, longer roots by 2.94 cm and higher seedling weight by 0.032 g (the hybrid average) as compared to SF. The influence of hybrids on stem growth differed by 1.9 cm on SF seed and 1.7 cm on LF seed. Significant and positive dependence (p ≥ 0.001) between seed germination was determined with the growth of stem, root and seedling weight, as well as with the 1000 seed weight (p ≥ 0.01) and with a thickness (TS) (p ≥ 0.05). Seed germination with abnormal seedlings achieved a negative (p ≥ 0.01) significant correlation.
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