Mechanisms of maturation and germination in crop seeds exposed to environmental stresses with a focus on nutrients, water status, and reactive oxygen species

Yushi Ishibashi, Takashi Yuasa, Mari Iwaya-Inoue

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

Environmental stresses can reduce crop yield and quality considerably. Plants protect cell metabolism in response to abiotic stresses at all stages of their life cycle, including seed production. As the production of vigorous seeds is important to both yield and crop growth, we analyzed causes of yield loss and reduced grain quality in staple crops exposed to environmental stresses such as drought and temperature extremes, with a focus on the remobilization of nutrients and water status during seed filling. Because water is one of the factors that limit seed development, seeds must have mechanisms that allow them to withstand water loss during seed maturation. In addition, analysis of the effects of reactive oxygen species (ROS) on transcription regula tion and signaling should help to elucidate the regulation of seed dormancy and germination. In this review, we focus on nutrient remobilization, water mobility, plant hormones (gibberellins, abscisic acid, and ethylene), and ROS in sink and source organs and describe how rice, wheat, barley, soybean, and cowpea plants control seed maturation and germination under environmental stresses.

Original languageEnglish
Title of host publicationAdvances in Experimental Medicine and Biology
PublisherSpringer New York LLC
Pages233-257
Number of pages25
DOIs
Publication statusPublished - Jan 1 2018

Publication series

NameAdvances in Experimental Medicine and Biology
Volume1081
ISSN (Print)0065-2598
ISSN (Electronic)2214-8019

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)

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  • Cite this

    Ishibashi, Y., Yuasa, T., & Iwaya-Inoue, M. (2018). Mechanisms of maturation and germination in crop seeds exposed to environmental stresses with a focus on nutrients, water status, and reactive oxygen species. In Advances in Experimental Medicine and Biology (pp. 233-257). (Advances in Experimental Medicine and Biology; Vol. 1081). Springer New York LLC. https://doi.org/10.1007/978-981-13-1244-1_13