Proper staging is important for understanding how to scout and manage corn, whether for timing fertilizer, herbicide, insecticide or fungicide applications.
It’s also critical for understanding plant development, and how stressors at different stages can affect results, including yield, cob size, and kernel weight.
But the problem is there are multiple ways to measure corn’s growth stages, and product labels don’t always use the same method.
For example, there’s the V-staging or leaf collar method, the leaf-over method, the leaf tip method, and yes, some herbicide labels still refer to plant height for staging.
Renate Jochum of PRIDE Seeds makes her Corn School debut on this practical episode, joining Jeanette Gaultier of BASF and RealAg’s Kelvin Heppner to demonstrate each method, how to accurately assess which stage a corn crop is at, and the pros and cons of each approach to staging:
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