Which crop is known for its salt tolerance?

✅Explanation:
Barley (Hordeum vulgare) is known for its salt tolerance among the crops listed. It can grow in saline soils and can tolerate moderate salinity, which makes it suitable for cultivation in areas with saline conditions.
Important Points
Threshold salinity of different field crops: 
-Rapeseed/Canola: 11.0 dS/m
-Gaur: 8.8 dS/m
-Barley: 8.0 dS/m
-Cotton: 7.7 dS/m
-Sugarbeet: 7.0 dS/m
-Sorghum: 6.8 dS/m
-Wheat: 6.0 dS/m
-Soybean: 5.0 dS/m
-Groundnut: 3.2 dS/m
-Rice: 3.0 dS/m
-Maize: 1.7 dS/m