Variability for mean growth rate of coleoptiles (length/number of days) of 200 rice varieties when germinated at 25° (V25) until reached 15–20 mm long (A) and at 15°C (V15) for 21 days (B).

<p>Variability for mean growth rate of coleoptiles (length/number of days) of 200 rice varieties when germinated at 25° (V25) until reached 15–20 mm long (A) and at 15°C (V15) for 21 days (B).