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

Which of the following definitions best describes 'Tuber flesh color reading -measurement'?

A. Record the fresh weight of harvested bulbil or aerial tuber per net plot
B. Measure the flesh surface color of tuber (head, middle and tail portion) at different time interval (0, 30, 60, 180 minutes after cutting) using colorimeter (a color spectrophotometer) or standard color chart.
C. Measure the length or height of stem or vine of at least five mature plants in a plot using measuring tape at five to six months after sprout emergence and record the average
D. Record the weight of medium size ( ? 500 gm and <1 kg) tubers in a net plot

Answer: Measure the flesh surface color of tuber (head, middle and tail portion) at different time interval (0, 30, 60, 180 minutes after cutting) using colorimeter (a color spectrophotometer) or standard color chart.