Effects of Nitrogen and Potassium on Sweet Orange Tissue Growth
Author Information
Author(s): Randall P. Niedz, Terence J. Evens
Primary Institution: United States Department of Agriculture, Agricultural Research Service, US Horticultural Research Laboratory
Hypothesis
How do nitrogen and potassium nutrition affect the growth of nonembryogenic and embryogenic tissue of sweet orange?
Conclusion
The study found that specific blends of nitrogen and potassium significantly enhance the growth of sweet orange tissues.
Supporting Evidence
- NH4+ was required for growth in both nonembryogenic and embryogenic tissues.
- Growth increased by 198% for nonembryogenic and 67% for embryogenic tissues compared to controls.
- NH4+ and K+ showed strong synergistic effects on tissue growth.
Takeaway
This study shows that giving sweet orange plants the right mix of nutrients helps them grow better.
Methodology
The study used a mixture-amount experimental design to assess the effects of NH4+, K+, and NO3- on tissue growth.
Limitations
The study did not directly control pH, which may affect the results.
Statistical Information
P-Value
< 0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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