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

Which of the following definitions best describes 'Counting:cassava bacterial blight incidence 3-month evalution method'?

A. The number of germinated stakes divided by the total number of planted stakes scored one month after planting
B. A ratio of infected plants with cassava bacterial blight to total plant stands scored at two to three months after planting
C. Duration from planting to first anthesis derived as the date of observation of the first female flower to expose pistil is visually observed minus the date of planting
D. Average yield per plant in a plot. It is estimated by dividing the total weight of roots by the number of plants harvested.

Answer: A ratio of infected plants with cassava bacterial blight to total plant stands scored at two to three months after planting