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

Which of the following definitions best describes 'Sun beetle larvae per plant'?

A. Percent of 100 grams of achene passing through a 20/64 inch round hole screen.
B. Mean number of sun beetle (zygogramma exclamationis) (fabricius) larva per plant
C. Date of 50% flowering, corresponding to stage r5.5.
D. The oil concentrations of clean, physiologically mature achenes were measured by pulsed nuclear magnetic resonance (nmr) analysis on an oxford 4000 nmr (concord, ma).

Answer: Mean number of sun beetle (zygogramma exclamationis) (fabricius) larva per plant