Culm Strength
To observed lodging resistance. Culm strength is first rated after panicle emergence by gently pushing the tillers bank and forth a few times. The test gives some indicators of culm stiffness and resilience. Final observation at maturity is made to record standing position of plants. Time: after flowering up to maturity
Legend:
Strong (no lodging)
Moderately strong (most plants leaning)
Intermediate (most plants moderately lodged)
Weak (most plants nearly flat)
very weak (all plants flat)