Priming winter wheat seeds with the bacterial quorum sensing signal N-hexanoyl-L-homoserine lactone (C6-HSL) shows potential to improve plant growth and seed yield

PloS One
Olena V MoshynetsAndrew J Spiers

Abstract

Several model plants are known to respond to bacterial quorum sensing molecules with altered root growth and gene expression patterns and induced resistance to plant pathogens. These compounds may represent novel elicitors that could be applied as seed primers to enhance cereal crop resistance to pathogens and abiotic stress and to improve yields. We investigated whether the acyl-homoserine lactone N-hexanoyl-L-homoserine lactone (C6-HSL) impacted winter wheat (Triticum aestivum L.) seed germination, plant development and productivity, using two Ukrainian varieties, Volodarka and Yatran 60, in both in vitro experiments and field trials. In vitro germination experiments indicated that C6-HSL seed priming had a small but significant positive impact on germination levels (1.2x increase, p < 0.0001), coleoptile and radicle development (1.4x increase, p < 0.0001). Field trials over two growing seasons (2015-16 and 2016-17) also demonstrated significant improvements in biomass at the tillering stage (1.4x increase, p < 0.0001), and crop structure and productivity at maturity including grain yield (1.4-1.5x increase, p < 0.0007) and quality (1.3x increase in good grain, p < 0.0001). In some cases variety effects were observed (p ≤ 0.0...Continue Reading

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Citations

May 7, 2020·Methods and Applications in Fluorescence·Olena MoshynetsVladyslava Kovalska
Feb 15, 2020·Scientific Reports·Eleanor F VestyJuliet C Coates
Aug 9, 2020·Frontiers in Microbiology·Abhishek ShresthaAdam Schikora
Nov 7, 2020·FEMS Microbiology Ecology·Abhishek Shrestha, Adam Schikora
May 8, 2021·Biological Reviews of the Cambridge Philosophical Society·Ashish Kumar SrivastavaPenna Suprasanna
Aug 8, 2021·Microorganisms·Anna Barra Caracciolo, Valentina Terenzi
Sep 15, 2020·Microbiological Research·Manisha PhourBernard R Glick
Dec 23, 2021·Cell Biology International·Lidia M BabenkoКateryna О Romanenko

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Methods Mentioned

BETA
nuclear magnetic resonance
PCA

Software Mentioned

JMP

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