Effects of NaHCO3 Acclimation on Rye (Secale Cereale) Growth Under Sodic-Alkaline Stress.
作者： Liyun Liu , Hirofumi Saneoka
关键词: Dry weight 、 Secale 、 Horticulture 、 Acclimatization 、 Chemistry 、 Antioxidant 、 Sodium 、 Limiting factor 、 Enzyme 、 Osmotic shock
摘要: Sodic-alkalinity is a serious limiting factor in agricultural productivity. This study was conducted to examine the contribution of acclimation adaptation rye (Secale cereale) sodic-alkalinity. Effects were determined two sets experiments: One experiment for mineral accumulation, antioxidative capacity, and other physiological parameters; vivo root Evan’s Blue Na+ influx from medium root. Being exposed sodic-alkalinity, did not affect plant dry weight. However, significantly reduced concentration maintained lower Na+/K+ ratio all tissues, increased Ca2+ Mg2+ concentrations water uptake ability comparison non-acclimated plants. Acclimation antioxidant capacity represented by activities enzymes SOD, GR, CAT, GPOX leaf tissues acclimated plants Moreover, cell viability inhibited Together, these results suggest that can acclimate sodic-alkalinity increasing viability, therefore limited capacities without any change growth.
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