SUB1 gene increases rice yield under flooding

Yield comparison between variety Swarna that is not tolerant to flooding (purple circles) and variety Swarna-Sub1 that is tolerant (green circles). Yield in tons per hectare (y-axis) versus duration of flooding in days (x-axis).

[Data from Ismail et al., “The contribution of submergence-tolerant (Sub 1) rice varieties to food security in flood-prone rainfed lowland areas in Asia,” Field Crops Research 152, 2013, 83-93.]