Task: Class Definition Understanding (ontology: Food_Agriculture/Crop_Ontology)

Which of the following definitions best describes 'Days to first flower'?

A. Number of days required to flower 50 % population in a plot
B. Number of days required to mature 75 % of the population
C. Number of days elapsed before the first plant flowers
D. the concept based on days to 50 % flowering

Answer: Number of days elapsed before the first plant flowers