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

Which of the following definitions best describes 'Flower date first method'?

A. Measure soluble solids content of room temperature, homogenized fruit pulp samples by combining fruit and any juice lost during thawing in a zip top bag and using a refractometer.
B. Observe the plant and record the date the first flowers open.
C. Observe the plant and record the date when at peak flowering.
D. A 0.5 g aliquot of fruit puree is combined with 24.5 mL deionized water and a 0.5 mL aliquot is placed on refractometer. Percent titratable acid is expressed as equivalents citric acid.

Answer: Observe the plant and record the date the first flowers open.