Field experiments with 12 winter wheat cultivars differing in N grain concentration were carried out during the vegetative years 2004/05 and 2005/06 using three variants of N fertilization (N1 = 0 kg ...
Seed structure with a large central cell in the center (cell nucleus in yellow) surrounded by the tissue of the mother plant (purple). The mature central cell (left) is in a quiescent state until ...
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