Fig. 5. Seasonal dynamics of silk exsertion on an area basis for hybrids Pioneer 3978 (P3978; top) and Pioneer 3925 (P3925; bottom). Calculated values (symbols) were generated from population and silk exsertion curves in Fig. 4a and b. Predicted curves (lines) are a double Gauss function fit to the seasonal pattern of newly exposed silks using Eq. [5].

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