1. Exogenous Bio-Based 2,3-Butanediols Enhanced Abiotic Stress Tolerance of Tomato and Turfgrass under Drought or Chilling Stress
- Author
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Ae Ran Park, Jongmun Kim, Bora Kim, Areum Ha, Ji-Yeon Son, Chan Woo Song, Hyohak Song, and Jin-Cheol Kim
- Subjects
Dehydration ,Solanum lycopersicum ,Gene Expression Regulation, Plant ,Stress, Physiological ,General Medicine ,Butylene Glycols ,Plants, Genetically Modified ,Applied Microbiology and Biotechnology ,Biotechnology ,Droughts ,Plant Proteins - Abstract
Among abiotic stresses in plants, drought and chilling stresses reduce the supply of moisture to plant tissues, inhibit photosynthesis, and severely reduce plant growth and yield. Thus, the application of water stress-tolerant agents can be a useful strategy to maintain plant growth under abiotic stresses. This study assessed the effect of exogenous bio-based 2,3-butanediol (BDO) application on drought and chilling response in tomato and turfgrass, and expression levels of several plant signaling pathway-related gene transcripts. Bio-based 2,3-BDOs were formulated to levo-2,3-BDO 0.9% soluble concentrate (levo 0.9% SL) and meso-2,3-BDO 9% SL (meso 9% SL). Under drought and chilling stress conditions, the application of levo 0.9% SL in creeping bentgrass and meso 9% SL in tomato plants significantly reduced the deleterious effects of abiotic stresses. Interestingly, pretreatment with levo-2,3-BDO in creeping bentgrass and meso-2,3-BDO in tomato plants enhanced JA and SA signaling pathway-related gene transcript expression levels in different ways. In addition, all tomato plants treated with acibenzolar
- Published
- 2022