1323
Impact of nutrient seed priming on germination, seedling development, nutritional status and grain yield of maize
Imran Muhammad; Maria Kolla; Römheld Volker; Neumann Günter
Original research article
Field experiment
Corn
Boron
Manganese
Zinc
View source document
year
2015
Country
Germany
Abstract

Effects of seed priming with zinc (Zn) plus manganese (Mn), boron (B), and phosphate (P) on growth and nutritional status of maize were studied. Nutrient seed priming significantly increased seed contents of primed nutrients. In nutrient solution (NS) lacking Zn and Mn, growth of maize plants primed with Zn + Mn increased by more than 50% and 100%, respectively, as compared to control treatment. The primed nutrients were efficiently translocated to the growing shoot and could maintain Zn and Mn supply for at least three weeks of the culture period. In soil culture, plants suffered from P and Zn deficiency, which was mitigated to some extent by P and Zn + Mn priming. Particularly, translocation of Zn seed reserves to the shoot tissue was negatively affected by the highly calcareous soil. In the field experiment, Zn + Mn seed priming increased grain yield by 15%, demonstrating the potential for long-lasting effects of nutrient seed priming.

Keywords

maize; nutrient seed priming; zinc; manganese; boron; phosphate; calcareous soil; grain yield

Outcomes reported
Biomass
Plant growth
Crop quality
Nutrient uptake
Root traits
Yield
Synthesis
Key insight
Zn + Mn seed priming improved maize seedling performance and increased field grain yield by 15% in a temperate Germany study.
Limitations
The paper combines priming, hydroponic, soil-culture, and field components, so some context-specific results are not directly field-only.
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