From ground level to the base of the tassel. After milk stage

From ground level to the node bearing the uppermost ear. After milk stage

Counted on at least 20 representative plants. After milk stage

At flowering

Number of days from sowing to when 50% of the plants have shed pollen (male flowering).

Number of days from sowing to when silks have emerged on 50% of the plants (female flowering).

Number of days from sowing to when 50% of the plants have a dry ear leaf

Average of 10 consecutive kernels from one row in the middle of the uppermost ear, measured with calliper.

Measured on the same 10 kernels as the ones observed for kernel length.

Measured on the same 10 kernels as the ones observed for kernel length.

Adjusted to 10% moisture content

Count number of kernel rows in the central part of the uppermost ear.