Seed encrusting with salicylic acid: A novel approach to improve establishment of grass species in ecological restoration.

PloS One
Simone PedriniK. W. Dixon

Abstract

To achieve global ambitions in large scale ecological restoration, there is a need for approaches that improve the efficiency of seed-based interventions, particularly in overcoming the bottleneck in the transition from germination to seedling establishment. In this study, we tested a novel seed-based application of the plant stress modulator compound salicylic acid as a means to reduce seedling losses in the seed-to-seedling phase. Seed coating technology (encrusting) was developed as a precursor for optimising field sowing for three grass species commonly used in restoration programs, Austrostipa scabra, Microlaena stipoides, and Rytidosperma geniculatum. Salicylic acid (SA, 0.1mM) was delivered to seeds via imbibition and seed encrusting. The effects of SA on seed germination were examined under controlled water-limited conditions (drought resilience) in laboratory setting and on seed germination, seedling emergence, seedling growth and plant survival in field conditions. Salicylic acid did not impact germination under water stress in controlled laboratory conditions and did not affect seedling emergence in the field. However, seedling survival and growth were improved in plants grown from SA treated seeds (imbibed and encru...Continue Reading

References

Jun 20, 1995·Proceedings of the National Academy of Sciences of the United States of America·L Guan, J G Scandalios
Aug 1, 2009·Science·Margaret A Palmer, Solange Filoso
Mar 2, 2011·Journal of Experimental Botany·Mariana Rivas-San Vicente, Javier Plasencia
Apr 23, 2011·Science·David J Merritt, Kingsley W Dixon
Feb 2, 2013·Science·Myles H M MenzRichard J Hobbs
Mar 31, 2015·Plant Cell Reports·S PaparellaAlma Balestrazzi
Dec 31, 2015·PloS One·Christian RitzDaniel Gerhard
Dec 17, 2016·Trends in Plant Science·Simone PedriniKingsley Dixon
May 7, 2019·Frontiers in Plant Science·Israel Maruri-LópezMario Serrano

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Citations

Jul 15, 2021·PloS One·Benis N EgohChristopher J Sandom

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Software Mentioned

lme4
DRC
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