Paper Details

PJB-2017-912

Influence of Nano-silica on physiological characteristics of African grass (Cynodon dactylonL.) under salinity stress

Reza Sharifasli
Abstract


Salinity stress prevents the growth and development of plants. This study is conducted to evaluate growth and physiological responses of the African grass (Condon dactylon L.) to Nano silica (N-Si) in salinity condition. Factorial experiment was arranged based on a randomized complete block design with three replications. The treatments included; NaCl at levels of 0, 5, 7 and 9 dsm-1 and N-Si concentration of 0, 1, 2 and 3 mM. After application of N-Si and NaCl to the media culture, plants allowed growth for 180 days. The results showed that salinity had deleterious effects on the growth plant. Salinity levels diminished chlorophyll content, conversely Proline, MDA (Malondialdehyde), CAT (Catalase) and Superoxide dismotase (SOD) contents and were increased by increasing salinity levels. However, exogenous application of N-Si alleviated the effect of salinity stress on the Chlorophyll concentration, MDA and Proline content. This study suggested that utilization-Si (3moll L-1) has beneficial in improving the salt tolerance of the African grass on saline lands.

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