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

Which of the following definitions best describes 'PVig - Estimation'?

A. Standard method for leaf color.
B. Standard method for plant vigor
C. Observe rust severity on the plants per plot based on degree of infection (relative or absolute area of plant tissue affected by disease).
D. Determine quality of endosperm such as hardness in the lab and use 1-5 to scale to score it.

Answer: Standard method for plant vigor