Synthesis and characterization for new Zn(II) complexes and their optimizing fertilization performance in planting corn hybrid.

Novel Zn(II)–benzohydrazide complexes have been synthesized using Zn(NO3)2·6H2O salt. All new synthesises were investigated by available analytical and spectral tools to demonstrate their formulae. Binuclear complexes were proposed with all ligands through pentadentate mode of bonding. Octahedral geometry was the only structural form proposed for complexes. Benzohydrazide derivatives coordinate by the same mode, which point to negligible effect of p-substituents on donor site environment. This mode was verified basically by IR and 1H, 13C NMR spectra. According to XRD patterns, crystallite particles of complexes were appeared in nanosized range. Such feature is preferable in variable application fields. Molecular modeling and molecular docking were interested in this study to strengthen experimental studies. One of these complexes [Zn(II)–H2L2] was examined to be an additive optimizing the performance of traditional fertilizer (NH4NO3) in planting corn hybrid. This complex significantly improved components of photosynthetic carbon assimilation as photosynthetic pigments, sucrose, and soluble sugars. Interestingly, the applied complex induced responses, which were consistently higher than those treated by traditional fertilizer (NH4NO3). Therefore, these results highlight the promising behavior of Zn(II)–H2L2 complex in planting improvement. [ABSTRACT FROM AUTHOR]
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