Maturity indices of the crop can be expressed by :
a) Days after phenological stages :
- Days after sowing /Transplanting. Eg : 110 days for Hardinath-1.
- Days after flowering.
- Days after panicle emergence.
- Days after ear head emergence.
b) Moisture content of seed by moisture meter, 15-17 %.
c) Physical method : Hard and brittle seed , dry and brittle straw , ease of separation of grains.
d) Visual method : Color and dryness of seed, spike , spikelet leaf.
80 % of spike and spikelet turns yellow.