首页|Mycorrhizal colonization and silicon nutrition mitigates drought stress in Licorice (Glycyrrhiza glabra L.) with morphophysiological and biochemical perspectives
Mycorrhizal colonization and silicon nutrition mitigates drought stress in Licorice (Glycyrrhiza glabra L.) with morphophysiological and biochemical perspectives
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NSTL
Elsevier
Drought has become a global concern due to the climate-change. Here, the effects of Claroiedoglomus etunicatum inoculation (F-1) and without inoculation (F-0) and silicon nutrition (300 mg/L) (Si-1) and no silicon nutrition (Si0) were evaluated on morphophysiological and biochemical traits in Licorice (Glycyrrhiza glabra L.). The plants were exposed to drought stress (20%, 40%, 60%, 80%, and 100% field capacity (FC)). A significant trend (p -value < 0.05) was observed between Si0F1 (4.32 mu mol/g FW) and Si0F0 (3.76 mu mol/g FW) regarding the malondialdehyde content (MDA). The activities of superoxide dismutase (SOD) was significantly higher (0.91-0.94 U mg(-1) protein) (p -value < 0.05) in severe drought stress (20% FC) while peroxidase (POD) showed its maximum activity at 80% FC (48.86 U mg(-1) protein). Specifically, at 20% FC, there was a significant increase in catalase (CAT) activity (45.49 U mg(-1) protein) (p -value < 0.05). Minimum electrolyte leakage (EL), was observed at 40% FC in the fungi inoculated treatment (28.34%) and by Si application (26.28%). The fungi inoculation affected plant height positively and significantly (p -value < 0.05), as the height grew to 24.27 cm. The Si nutrition partially maintained plant performance, despite severe drought stress (20% and 40% FC). Taken together, the results indicated that microbial agent and mineral nutrition in the face of environmental stress, water deficit, improved enzymatic defense, morphophysiological features, quality and yield of G. glabra.
NSTL
Elsevier
