Endophytic Colletotrichum siamense for Biocontrol and Resistance Induction in Guarana Seedlings

Figure 2

Guarana leaves under different treatments. (a) Negative control. (b) Positive control. (c) C. siamense + pathogen. (d) Fungicide + pathogen. The arrows indicate symptoms caused by the pathogen on the leaves 28 days after the start of the treatment.

(a)

(b)

(c)

(d)