Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
. 2022 Jul;102(9):3563-3571.
doi: 10.1002/jsfa.11700. Epub 2021 Dec 13.

Genotypic differences in the synergistic effect of nitrogen and boron on the seed yield and nitrogen use efficiency of Brassica napus

Youqiang Wang  1   2 , Zhe Zhao  1   2 , Sheliang Wang  1   2 , Lei Shi  1   2 , Fangsen Xu  1   2
Affiliations

Genotypic differences in the synergistic effect of nitrogen and boron on the seed yield and nitrogen use efficiency of Brassica napus

Youqiang Wang et al. J Sci Food Agric. 2022 Jul.

Abstract

Background: Rapeseed (Brassica napus) is highly sensitive to nitrogen (N) and boron (B) deficiency; however, the synergistic effects of these elements on rapeseed production are poorly understood. The aim of this study was to investigate the effects of co-application of N and B on seed yield, N uptake and N use efficiency (NUE) of rapeseed. Three rapeseed cultivars (W10, ZS11 and HG) were treated with different N and B application rates, and the seed yield, N uptake and NUE were examined in 2-year field experiments.

Results: The application of B fertilizer (4.5, 9 kg borax ha-1 ) improved N uptake, NUE and seed yield. However, the magnitude of increase in seed yield by B fertilization was dependent upon the rate of N supply and genotype. The benefit of B was much greater at 180 kg N ha-1 than at 0 or 60 kg N ha-1 . The combination of N and B also improved N remobilization from sources (stems and husks) to sinks (seeds) and increased N recovery efficiency (NRE). Compared with the B-inefficient cultivar W10, the B-efficient cultivars ZS11 and HG were superior in growth, seed yield, N uptake and NUE on B deficient soils. Furthermore, B-efficient cultivars showed great potential in saving N input, and the yield increased by more than 40% under B deficiency conditions.

Conclusion: This study highlights a markedly synergistic effect of N and B nutrition on rapeseed NUE and yield production and shows that B-efficient genotypes can increase yield and reduce N inputs under B-deficient conditions. © 2021 Society of Chemical Industry.

Keywords: Brassica napus; boron; interactive effects; nitrogen; nitrogen use efficiency; seed yield.

PubMed Disclaimer

Similar articles

See all similar articles

Cited by

References

REFERENCES

    1. Godfray HCJ, Beddington JR, Crute IR, Haddad L, Lawrence D, Muir JF et al., Food security: the challenge of feeding 9 billion people. Science 327:812-818 (2010).
    1. Conant RT, Berdanier AB and Grace PR, Patterns and trends in nitrogen use and nitrogen recovery efficiency in world agriculture. Global Biogeochem Cycles 27:558-566 (2013).
    1. Good AG and Beatty PH, Fertilizing nature: a tragedy of excess in the commons. PLoS Biol 9:1-9 (2011).
    1. Liu X, Zhang Y, Han W, Tang A, Shen J, Cui Z et al., Enhanced nitrogen deposition over China. Nature 494:459-462 (2013).
    1. Walter K, Don A, Fuß R, Kern J, Drewer J and Flessa H, Direct nitrous oxide emissions from oilseed rape cropping: a meta-analysis. GCB Bioenergy 7:1260-1271 (2015).

LinkOut - more resources