Table 2.2
(continued)
Stress
Experimental study
Plant species
Silicon
application
Effect of silicon application
References
1 mM
Monosilicic acid
[Si(OH)
4 ]
balanced source to sink metabolic
homeostasis
pH
Effect of silicon on tolerance to
alkaline stress
Z. mays
1.5 mM
Na
2 SiO
3
Improved growth of stressed plants,
enhanced relative water content and
photosynthetic pigments
Abdel Latef
and Tran
(2016)
Effect of silicon on mitigating pH
stress
Festuca
arundinacea
0, 2, 8 mM
Na
2 SiO
3
Under acid stress, low Si concentration is
effective in alleviating pH stress and under
alkali stress it was opposite
Wang et al.
(2017)
Effect of silicon priming on high
alkaline stress tolerance
Medicago
sativa
0.075–3.75 mM
Na
2 SiO
3
Increased biomass as well as chlorophyll
content and reduced oxidative stress
Liu et al.
(2018)
Effect of silicon and salicylic acid on
high pH tolerance in tomato
S. lycopersicum
1 mM Na
2 SiO
3
Plants displayed high chlorophyll content,
reduced accumulation of ROS and high
relative water content
Khan et al.
(2019)
Effect of silicon on rice plants under
acid rain stress
O. sativa
0, 1, 2 and 4 mM
Na
2 SiO
3
Improved plant growth, chloroplast structure
and photosynthesis
Ju et al.
(2020)
34
S. Mehta et al.