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

Which of the following definitions best describes 'StrigaPN - Counting'?

A. Count the number of plants that are affected by DMJ per plot. Note: The first and the last plants are eliminated to avoid border effects.
B. Count the total number of emerged striga plants per plot. It is counted three times, 8 weeks, 10 weeks and 12 weeks after planting.
C. Count the number of plants that are affected by black bundle per plot. Note: The first and the last plants are eliminated to avoid border effects.
D. Count the number of plants that are affected by philippine downy mildew per plot. Note: The first and the last plants are eliminated to avoid border effects.

Answer: Count the total number of emerged striga plants per plot. It is counted three times, 8 weeks, 10 weeks and 12 weeks after planting.