C. reflexa parasitization of BB-R250-coated and control P. zonale petioles.

(a) Infection setup with the parasite twining around a BB-R250-coated petiole. (b, d) Cross-sections of C. reflexa infecting BB-R250-coated P. zonale. (c) Cross-section of C. reflexa infecting a petiole coated with 0.005% Poly-L-lysine without BB-R250 (control). Scale bars are 200 μm.